How to Clear the DNS Cache in Chrome, Edge, Firefox, Safari, and Opera

Your browser caches DNS data to load website faster. But what about if you need to clear this cache? Here's how to for all major browsers.

Network hiccups are an everyday sight for computer users. Most of the time, a simple system or router reboot fixes internet connectivity issues. But if these simple methods fail, you should do a complete network reset, which includes flushing the system DNS cache.

The DNS resolver cache holds a copy of the DNS records and reduces the time to access a website's IP address. We often clear the system DNS cache, but forget to clean the browser DNS cache. Here, we'll look at the importance of browser DNS caching and explain how to clear it.

Do Browsers Also Save a DNS Cache?

Yes. Web browsers maintain a copy of the DNS resolver cache. It is mainly to speed up the DNS lookup process and load the website faster. But in many cases, simply cleaning the system DNS cache is ineffective in fixing the website access issue. It could be because of the outdated or corrupt DNS resolver cache present in the browser.

It is wise to clean the browser's DNS cache along with the system's DNS cleanup. The process of clearing the DNS cache varies with different browsers. To simplify things, we will explain the DNS flushing process for Chrome, Edge, Firefox, Safari, and Opera separately.

How to Clear the DNS Cache in Google Chrome

The option to clear the DNS cache in Chrome isn't accessible via the Settings section. Here's how you can access and clear the DNS cache in Chrome:

  • Press Ctrl + T to open a new tab in Chrome.

Net Internals page in Chrome browser

  • Then, click on the Clear host cache button to wipe the local DNS cache.

How to Clear the DNS Cache in Microsoft Edge

Microsoft Edge switched to Chromium in 2020 to improve its stability and performance. Since it uses the same browser engine as Chrome, the DNS cache-clearing steps remain similar. Repeat these steps:

  • Open a new tab in Edge.
  • Click on the URL bar and type edge://net-internals/#dns command.

DNS settings page in Edge browser

  • Now, click on the Clear host cache button to flush the Edge browser's DNS cache.

How to Clear the DNS Cache in Mozilla Firefox

Mozilla Firefox doesn't use the Chromium engine. So, the process to clear the DNS cache entries is different from all the Chromium-based browsers. Use the following steps:

  • Launch Firefox and open a new tab.
  • Type about:networking command in the address bar and press the Enter key.

Firefox browser DNS records page

  • You will see a list of all the DNS cache entries saved in Firefox. Click on the Clear DNS Cache button to remove all the entries.

How to Clear the DNS Cache in Safari

Safari browser hides the DNS cache flush option inside the Develop settings. So, you have to enable the Develop menu first, and only then will you see the option to clear the DNS cache. Here's how to clear the DNS cache in Safari:

  • Go to the Safari menu bar and click on the Safari option. Click on the Settings option.

Enabling Develop option in Safari browser's menu bar

  • Lastly, click on the Empty Caches option in the drop-down menu. It will flush the browser's DNS cache.

How to Clear DNS Cache in Opera

Opera is also a Chromium-based browser and has an identical net internals page. Repeat the following steps to clear the Opera DNS cache:

  • Press Ctrl + T to open a new tab in Opera.

DNS settings page in Opera browser

  • The DNS page will launch. Click on the Clear host cache button to remove the DNS cache records.

Keep Your Browser's DNS Cache Fresh

A corrupt DNS cache can break access to your favorite websites. For Chromium-based browsers, the command to access and wipe the DNS cache records remains the same. However, if you use Safari or Firefox, the methods to clear the DNS cache are slightly different. Remember to clear browser cookies and site data if you still have trouble accessing a website.

How to Clear DNS Cache on Chrome, Firefox and Safari

Google chrome

To reduce unnecessary DNS queries, our computers and even our browsers keep a cached copy of the DNS records. And although they get updated or renewed after intervals of time, one might need to manually flush the DNS cache so that the earlier cached resolutions can be deleted and based on the new DNS settings, the subsequent lookups are done.

In this article, we take a look at how you can clear the DNS cache on your browser. While quitting your browser and restarting it automatically clears your DNS cache, the following are how you can do so within the browser itself without closing and reopening it.

Read:  How to Flush DNS Cache on Windows, macOS, Android and iOS

Table of Contents

1. Chrome Clear DNS Cache

Once you have Chrome opened up or already been working on it, this is how to do it on Chrome.

Open a new tab and in the address bar, type the address: chrome://net-internals/#dns

Chrome DNS

This should take you to a page looking like this, which shows you everything about the DNS records stored.

Click on “Clear Host Cache”

Chrome DNS

Next, you might need to clear the socket pools too. To do so,

Open another new tab. Type in the address: chrome://net-internals/#sockets

Chrome Socket Pools

This should take you to a similar looking page with the cached socket pools.

Click on “ Flush Socket Pools ”

Chrome Socket Pools

You’re good to go.

2. Firefox clear DNS Cache

The process is almost similar on Firefox except we need to change the value of two variables called network.dnsCacheExpiration and network.dnsCacheExpirationGracePeriod instead of clicking a single button.

Open a new tab Enter the address: about:config

You should be greeted with a warning page.

Firefox warning

Click on “I accept the risk!”

Next you should be on a page with various Firefox variables and a searcher on the top.

Firefox List of Variables

In the search bar, search for “network.dnsCacheExpiration”

Firefox DNS

Two results should be returned on your screen, namely network.dnsCacheExpiration and network.dnsCacheExpirationGracePeriod with the values set as 60.

Now, double-click on the value part where it says 60, and set it to 0.

Once done for both, again reset both of the values back to 60.

Firefox DNS Cache Expiration

Both of these variables basically store the TTL or Time To Live or essentially an expiration time for a DNS record, which is by default set to 60. By modifying it to 0, we are asking Firefox to immediately clear out the DNS cache and then we need to set it back to the default value.

If you do not have these variables, don’t worry, just create two new integer variables with the same names and set the values to 60, which is the default and follow the above instructions.

Right click to create an integer variable

Firefox New Variable

Set the name

Firefox New Variable Name

Set the value

Firefox New Variable Value

3. Safari Flush DNS cache

On Safari, we can empty the cache with an option or even a shortcut. But first, we need to enable the Develop menu in the Menu bar.

On Safari, go to preferences.

Click Command+, Go the Advanced section Mark the option which says “Show Develop menu in menu bar”

Safari Preferences

Now you should have a new Develop option in your menu bar.

Safari Clear Caches

Go to Develop. Click on “Empty Caches” or simply do it with a shortcut: Option+Command+E

4. Opera Clear DNS Cache

Clearing the DNS cache on Opera browser is very similar to that of Chrome, the only exception being the address; instead of “chrome”, it will be “opera”.

Open a new tab in Opera and type in the address: opera://net-internals/#dns

Opera DNS Cache

Click on “Clear Host Cache” to flush the DNS cache.

You also have to clear the Sockets Pool, either by clicking on the Sockets tab or

Type in the address: opera://net-internals/#sockets and click “Flush Socket Pools”

Opera Socket Pools

While flushing the DNS cache from the system using the command prompt or the terminal does most of the work, we should remember that most browsers(Internet Explorer does not for instance) also keep a cache of the DNS records within them and these should also be cleared for a proper clean. So these were the ways in which you can reset your DNS cache in various browsers.

Read:  Best DNS Servers For Speed, Stability, and Security

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How to clear the DNS cache on your iPhone, iPad & Mac

Is a stale DNS cache making your web browsing experience excruciatingly slow? If so, you may have thought about speeding things up by switching to an alternate domain name server on your device. In that case, you’ll need to clear the DNS cache on your device.

There are several ways to flush DNS caches in iOS and macOS, and this step-by-step tutorial covers them all! Here’s how to delete the DNS cache on your iPhone, iPad, Mac, and popular web browsers like Safari, Chrome, Opera, and Firefox.

Clear DNS cache Mac

The problem

If you cannot connect to some websites, a web page won’t load at all, or your network slows down randomly for no apparent reason, chances are your device’s DNS cache has become corrupted due to technical glitches, administrative accidents, or other reasons.

Aside from other reasons, the DNS cache may become polluted when unauthorized domain names or IP addresses are inserted via a network attack or malware/virus.

But worry not, resetting the DNS cache should help resolve those problems.

What is a DNS cache?

DNS, or “Domain Name System,” has been the staple of the Internet’s functionality since 1985.

In short, DNS is a decentralized naming system for devices connected to the Internet or a private network (VPN). The system assigns domain names to each of the devices while translating human-readable domain names like iDownloadBlog.com to the numerical IP addresses that identify services and devices with the underlying network protocols.

A DNS cache, also known as a DNS resolver cache, is a temporary database, a phone book of sorts, which helps speed up DNS lookups by storing records of all the recent network requests. Rather than having to memorize numerical IP addresses for your favorite websites, your device can tap into a cached table of recent DNS lookups to know how to load a web resource.

In other words, a DNS cache is just a memory of recent DNS lookups that your computer can quickly refer to when it’s trying to figure out how to load a website. A DNS cache is maintained by the operating system, but some browsers may keep their own DNS cache.

All caches can become corrupt over time, and that’s especially true with DNS caches. A corrupt DNS cache may lead to intermittent problems with loading websites. Therefore, clearing the DNS cache so it doesn’t hold invalid items is usually the best way to solve any such woes.

It is very important to stress that clearing the DNS cache won’t remove your browsing history, website data, saved passwords, or any other temporary Internet files that get saved to your device to speed up web page load times.

When and why should you clear DNS caches?

Here are a few common scenarios in which clearing the DNS cache may help.

  • Prevent DNS hijacking: This practice subverts the resolution of DNS queries, which can be achieved via malware or by modifying the behavior of a trusted DNS server to the point it no longer complies with Internet standards. Flushing your DNS cache minimizes the risk of DNS hijacking, which is a significant problem in China.
  • Resolve page-loading problems: Starting fresh is the best way of addressing situations when some websites won’t load, or web pages load slowly.
  • Server entries have changed: If an entry on the web server is changed or a new entry is added, you might need to flush the DNS cache immediately to prevent interruptions. Keep in mind that if you’re waiting for server-side DNS changes to propagate, adjusting your device’s DNS settings may not have the desired effect before the changes have carried over between servers around the world.
  • Using Google DNS or Open DNS servers: Before setting your device to use Google DNS or Open DNS servers as its DNS, which speeds up web browsing when on Wi-Fi, you’re advised to flush out the DHCP assignments by clearing out DNS caches.
  • Enforce network settings change: If you’ve made changes to your device’s network settings, like adding a custom DNS as part of your VPN service, clearing out the DNS cache will make these changes take effect immediately without any further action.
  • Protect from malware: A computer virus or malware may change your DNS settings in the background or fool you into changing them manually in order to redirect you to a page full of ads or a phishing page that mimics a legitimate website. Clearing out the DNS cache deletes all the entries, including invalid or rogue records.

Even if you’re not having any problems loading web pages whatsoever, clearing out a stale DNS cache won’t just make your web browsing experience hassle-free but will also clean up the valuable storage space in your device.

Your router has a DNS cache, too, meaning that any DNS troubleshooting steps should also include flushing the DNS cache on both the computer and the router.

Follow along with us as we explain how to clear the DNS cache on your iPhone, iPad, Mac, and leading computer web browsers.

How to clear DNS cache on iPhone and iPad

On iOS, you have three different ways of clearing the DNS cache. Firstly, you can toggle Airplane Mode on and then back off, which has the side effect of flushing the DNS cache. Secondly, you can simply reboot your device to achieve the same effect as the Airplane Mode method. And thirdly, dumping your network settings will also do the trick.

Use Airplane Mode

Toggling Airplane Mode is the quickest way to flush your DNS cache because doing so instantly turns off the wireless features on your device and shuts down cellular radios so that you comply with airline regulations. If you need to clear DNS caches multiple times per day, this is the method you’ll want to use (it works with cellular iPads, too).

1) Open Control Center by swiping down from the upper-right corner of the screen on iPhone X or later or iPad with iOS 12 or later. On older devices or iOS versions, swipe up from the bottom edge to pull up the Control Center overlay.

2) Tap the Airplane Mode icon in the top-left corner of the Network Settings card.

When Airplane Mode is toggled on, the icon turns orange to denote that all cellular services are currently shut down, which will also prompt iOS to flush the system’s DNS cache.

3)  After about 15 seconds, tap the Airplane Mode icon again to re-enable wireless services.

Clear DNS cache iPhone

You can also go to Settings > Airplane Mode and tap the slider to turn it on.

Reboot your iPhone or iPad

Restarting your device makes it fast and simple to flush the DNS cache.

1) Do the following:

  • On iPhone X and 2018 iPad Pro and newer: Press and hold the Side button and either volume button until the slider appears.
  • On older devices, like iPhone 8 and earlier: Hold down the Power button for a few seconds.

The Power button is also known as the Top button on iPod touch and iPad.

iPhone power buttons illustration

iOS restart buttons have been rechristened and repositioned over the years

2) Swipe the slider labeled Slide to Power Off .

Clear DNS cache iPhone by turning it off

3) After the device shuts down and turns off, wait a few seconds, then press and hold the Side/Top/Power button again until you see the Apple logo. As a security precaution, when the device reboots, you’ll need to enter your passcode to re-enable Touch ID or Face ID.

Shut Down iPhone from Settings to clear DNS

If your device is on iOS 11 and later, you can also turn it off in Settings > General > Shut Down .

Because rebooting takes more time than toggling the Airplane Mode on and then back off, this isn’t the best approach if you need to flush your DNS cache multiple times per day.

Note: Concerned about DNS hijacking? If so, this isn’t the safest method of flushing the DNS cache because the hijacking may occur immediately after the device reboots, before you even have the chance to connect to a VPN.

Network settings dump

Clearing the network settings on your device will also flush the system’s DNS cache.

1) Open Settings on your device.

2) Choose General from the list.

3) Tap Transfer or Reset iPhone .

4) Tap Reset and choose Reset Network Settings .

5) Type in your passcode , if asked, then confirm that you wish to clear out all network settings and return them to factory defaults.

iPhone Reset Network Settings

This may not be the best method because resetting your network settings won’t just restart the device (which clears the caches anyway) but also clear passwords for all the Wi-Fi networks you’ve joined. Worse, cellular data settings from your wireless provider will be cleared out, too, and all your other network settings will be lost, so you’ll need to set them up again.

How to clear DNS caches on your Mac

On macOS, the flushing of DNS caches is performed through Terminal commands that have changed over the years but don’t you worry a thing as iDownloadBlog has you covered.

1) First, open  Terminal from your /Application/Utilities folder or via Spotlight.

Clear DNS cache Mac - Terminal method

2) Type the command corresponding to your Mac operating system version, then press Enter .

  • macOS Big Sur, macOS Monterey (11.0, 12.0)

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

  • macOS Sierra, High Sierra, Mojave, and Catalina (10.12, 10.13, 10.14, and 10.15)

sudo killall -HUP mDNSResponder; sleep 2

  • OS X Yosemite 10.10.4+ and El Capitan (10.11)
  • OS X Yosemite (10.10.0-10.10.3)

sudo discoveryutil mdnsflushcache; sudo discoveryutil udnsflushcaches

  • OS X Mavericks (10.9)

dscacheutil -flushcache; sudo killall -HUP mDNSResponder

  • OS X Lion and Mountain Lion (10.7 and 10.8)

sudo killall -HUP mDNSResponder

  • OS X Leopard and Snow Leopard (10.5 and 10.6)

sudo dscacheutil -flushcache

If, for some reason, the Terminal command for macOS Sierra and newer won’t work properly, feel free to use the following syntax instead:

sudo killall -HUP mDNSResponder; sudo killall mDNSResponderHelper; sudo dscacheutil -flushcache

You will need administrative privileges to execute these commands.

Bonus: Mac-cleaning software

If all of the above sounds too complicated, especially the Terminal method, consider a third-party solution such as MacPaw’s CleanMyMac , which is a much simpler alternative to clearing your DNS caches that works on all versions of the Mac operating system.

Clear DNS cache on Mac using CleanMyMac app

Start by downloading CleanMyMac from the MacPaw website for free .

After you install the app, launch it and click on  Maintenance  in the lefthand sidebar menu. Now select the option Flush DNS Cache and click Run to have CleanMyMac do its magic.

How to clear DNS caches in popular browsers

In addition to the system’s own DNS cache, most browsers (barring Internet Explorer) also keep a cached copy of the DNS records. This internal browser DNS cache may get corrupt over time and slow down lookups. Your browser automatically clears its cache when it’s restarted, but you can also do it manually without having to reopen the app.

1) Launch Safari on your Mac.

2) Enable Safari’s hidden Develop menu  by choosing  Preferences  from the Safari menu.

Safari Preferences Menu Bar

3) Click the Advanced tab.

4) Tick the box next to “ Show Develop menu in menu bar .”

Safari preferences - Show Develop in menu bar

Now the hidden Develop menu will appear in Safari’s menu bar.

5) Click the  Develop menu, then choose the option Empty Caches .

Clear DNS cache Mac - Safari Empty Caches

After clearing your browsing cache, be sure to quit and re-launch Safari for the best results.

1) Launch Chrome on your Mac

2) Type chrome://net-internals/#dns in the address bar, then press Enter .

3) You’ll be taken to the DNS section of Chrome’s internal settings page. Click DNS in the left-hand column (if not already selected), then click the button labeled Clear host cache to flush the DNS cache.

4) Open a new tab, then type in the address chrome://net-internals/#sockets and press Enter .

5) You’ll be taken to the section of Chrome’s internal settings page for cached socket pools. Click Sockets in the lefthand column, then click the button labeled Flush socket pools .

Now restart Chrome for the changes to take effect.

Clear DNS Caches in Google Chrome

1) Launch Opera on your Mac

2) Type opera://net-internals/#dns in the address bar, then press Enter.

3) You’ll be taken to the DNS section of Opera’s internal settings page. Click the button labeled Clear host cache to flush the DNS cache.

4) Open a new tab, then type in the address opera://net-internals/#sockets and press Enter.

5) You’ll be taken to the section of Opera’s internal settings page for cached socket pools. Now click the button labeled Flush socket pools .

Now restart Opera for the best results.

Clear DNS Caches in Opera

1) Launch Firefox on your Mac.

2) In the address bar, type about:config and press Enter.

3) Click Accept the Risk and Continue  on a warning page.

4) Use the search field at the top to search for “network.dnsCacheExpiration” .

5) Your search should return two variables, named “network.dnsCacheExpiration“ and “network.dnsCacheExpirationGracePeriod” . Double-click on each variable’s value part so you can edit it, then change the value from the default 60 to 0, which will prompt Firefox to immediately clear out its DNS cache.

6) After doing this, now set both variables back to 60 .

Restart Firefox to finish the process.

Clear DNS Caches on Firefox

Check out next:

  • 3 ways to change the default web browser on Mac
  • 33 things to do after setting up a Mac
  • The ultimate list of Mac keyboard shortcuts
  • ADB and Fastboot
  • Keyboard Shortcuts

How to Clear DNS Cache in Chrome, Edge, Firefox, Opera & Safari

  • by Rakesh Shukla
  • January 20, 2024

clear dns cache in chrome, edge, firefox, opera and safari browsers

The DNS cache stores information about previously visited websites, allowing quicker access to these sites by translating domain names into IP addresses. However, this cache can become outdated or corrupted over time, leading to problems such as failed connections, or delays in accessing fresh content. In this tutorial, we will check out the ways to clear the DNS cache in Chrome, Microsoft Edge, Mozilla Firefox, Opera, and Safari web browsers.

The first thing that comes to our mind to solve browser errors and webpage loading issues is to clear the browser data and cookies . In most cases, flushing the DNS cache on your Windows PC can resolve problems related to website loading. However, sometimes we simply need to clear the DNS cache in Chrome to get rid of such issues.

Below, we’ll see how we can clear the DNS cache in major web browsers like Chrome, Edge, Firefox, Opera, and Safari.

How to Clear DNS Cache in Chrome

While you can easily clear browsing data and cache from Google Chrome’s Settings page, there’s no way to do the same when it comes to clearing the DNS cache. You need to use a command in the URL bar to access the option to clear the DNS host cache. Let’s see how to do it.

  • In the Chrome address bar, type chrome://net-internals/#dns and press Enter . This will take you to the DNS page on the Net Internals site.

clear the dns host cache in google chrome

  • Close all tabs in Chrome and restart the browser. This will force all DNS lookups to be performed afresh, which may take a few seconds longer than usual but it will clear any cached DNS entries.

To use this browser more efficiently, you should check out these Google Chrome keyboard shortcuts .

How to Clear DNS Cache in Edge

You must have noticed that there is a great similarity between Microsoft Edge and Google Chrome. It’s because Microsoft switched to the Chromium open-source web browser project for Edge back in 2020. Thus, both browsers share their settings, extensions, flags , etc. This means that the method to clear the DNS cache in Edge is the same as in Chrome.

Clearing your DNS cache can help resolve these issues and is a relatively easy process. Here’s how to clear the DNS cache in Edge:

  • Open the Edge browser and type edge://net-internals/#dns into the address bar.

flush dns cache in microsoft edge

  • Doing so will clear the DNS cache in Edge.
  • Close the Network Internals tool page and restart Edge for the changes to take effect.

How to Clear DNS Cache in Opera

Just like Google Chrome and Edge, Opera is a Chromium-based web browser. You can clear the DNS cache in the Opera browser the same way. Here’s how to do it:

  • Open Opera, type or paste opera://net-internals/#dns into the address bar, and press the Enter key.
  • It’ll open the DNS options page.

clear dns host cache in opera

  • That’s it! Now, restart the browser.

How to Clear DNS Cache in Mozilla Firefox

The method to clear the DNS cache in Mozilla Firefox is different than the Chromium-based browsers mentioned above. However, it’s a relatively simple process that can help resolve various browsing issues and enhance internet connectivity. Here’s how to flush the DNS cache in Firefox:

  • Type about:networking#dns in the address bar of the Firefox browser. Press the Enter key.

clear dns cache in mozilla firefox

  • The DNS cache will be flushed instantly.

There’s yet another way to flush the DNS cache in Firefox.

  • Type about:config into the Firefox address bar and press Enter.
  • Search for “ network.dnsCacheExpiration “.

set dns cache expiration in firefox

  • Close the about:config tab and restart Firefox for the changes to take effect.

Your DNS cache should now be cleared.

How to Clear DNS Cache in Safari

The option to clear the DNS cache in Safari remains hidden in Safari by default. It’s pretty much like Android’s hidden Developer options . You must enable Safari’s Develop menu to access the Empty Caches option. Let’s see how to do it.

  • Launch Safari on your Mac.
  • Go to the Safari menu bar located at the top of the screen and click on Safari > Preferences .
  • In the Safari settings or preferences window, click on the Advanced tab.

enable safari develop menu from settings

  • Close the Advanced Preferences window.
  • You’ll have a new item in the Safari menu bar called “ Develop “.

clear dns cache in safari browser

You may also need to force quit Safari using the Command + Option + Esc Mac keyboard shortcut and then relaunch it for the changes to take effect.

While clearing the DNS cache won’t necessarily speed up browsing significantly, it can help resolve certain issues that may be caused by incorrect or outdated data stored in the system. Next time you run into an issue with your browser, consider trying to clear out its DNS caches before doing anything else.

Read Next: 73 Google Search Tricks, Hacks, and Easter Eggs

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How to Flush DNS Cache on Mac

In this article you will find the following:

Most of the time, your Mac’s DNS cache isn’t something you need to worry about. It works quietly in the background, sending you to the right websites when you ask for them. But if it gets corrupted, then you can run into problems loading sites, with 404 errors being common. One solution is to clear the DNS cache on your Mac.

You can flush the DNS cache on your Mac by using the Terminal app. However, the steps you should follow are different for older macOS versions (e.g. macOS Catalina) compared to the new ones like Sonoma and Ventura. But worry not, below we’ll cover it all for you.

Now, let’s look at the symptoms that suggest it’s time to clean the DNS cache in macOS, along with how you can actually do that.

Before we start   If you’re flashing your DNS cache because you’re experiencing problems, you might have malware on your Mac. It’s worth running a scan with MacKeeper’s Antivirus just to be sure: Download MacKeeper . Open MacKeeper and select Antivirus from the menu. Click Start Scan . Wait for the scan to finish. If MacKeeper finds any suspicious files, take the recommended actions. Hopefully, your Mac is free of malware, but you should always make sure it’s protected. Try out MacKeeper and get one free fix to see what our professional antivirus software can do.
  • What is a DNS cache?

To understand what a DNS cache is, you first need to know what DNS is. When you load a website on your MacBook, you connect to a DNS ( Domain Name System ) server online. This looks at the web address in your browser, and it then checks that against a database of IP addresses. These IP addresses tell your web browser where to find the server that contains that website. This process is called a DNS lookup .

The DNS cache is a temporary database on your computer of all the recent DNS lookups it’s carried out. This enables your browser to resolve these lookups faster, thereby cutting down web page loading times.

  • How to check DNS cache on Mac

It’s important to check the DNS cache on your Mac before freeing up space, as you’ll then be able to determine whether you actually need to take action or not. Here’s how to check DNS cache in Mac before you delete anything:

  • Open the Console app, select your Mac, and then enter any:mdnsresponder in the search bar.
  • Open a Terminal window, and enter sudo killall –INFO mDNSResponder .
  • Enter your password when prompted. Note that the password won’t appear on your screen, but if you type it correctly and press the Enter key, you should still be fine.
  • Go back to the Console app and view the list of cached DNS records.

You can also see the DNS cache on your Mac via your web browser. For example, if you’re using Chrome, enter chrome://net-internals/#dns in the address bar to see the list of cached DNS records.

To see the DNS cache on your Mac, start by opening the Console app. Type any:mdnsresponder in the search bar and hit the Enter key.

  • Should you flush the DNS cache on Mac?

Over time, the DNS cache can become outdated or corrupted—leading to connectivity problems. It can also be affected by malware, causing your browser to take you to malicious sites or phishing schemes.

Performing a Mac DNS cache reset can eliminate these problems. However, if you do find your browser redirecting to malicious sites, it’s not enough to clear cache on your Mac. Also, our team suggests you run a malware scan on your Mac with the help of MacKeeper’s Antivirus.

Here are some of the common internet browsing problems that you can fix when your Mac refreshes the DNS:

  • DNS spoofing
  • Trouble accessing websites
  • Your search behavior not being private
  • DNS record propagation

Now, let’s look at each of these issues—and how to prevent them—in further detail.

1. Prevent DNS spoofing

DNS spoofing involves a criminal using your DNS records to load malicious websites on your device. These redirects occur even when you type perfectly legitimate URLs, and they can lead to both fraud and performance-related problems for your computer.

2. Error 404

Error 404 is one of the most common internet browsing issues, and it typically occurs when a page on the website you’re trying to visit is no longer available. Although 404 errors are often reasonable, you can sometimes see the problem if you don’t regularly empty the DNS cache on your Mac.

3. Trouble accessing a website

Besides seeing 404 errors, web pages might take a long time to load if your DNS cache is full. Long loading times will become irritating over time and stop you from getting the information you require. So, it’s in your best interests to view the DNS cache on Mac and refresh when you feel like it’s becoming an issue.

Hint from our team:   If you’re having slow internet problems, you can perform numerous other steps to get back on track. For example, try turning off your VPN or resetting your Wi-Fi router.

4. Keep the user's search behavior private

When you surf the web, others can see your online activity—especially when you use a public Wi-Fi network. But even if you don’t, advertisers and other third parties can view your search information via your IP address. One way to tackle this is to clean the DNS cache on Mac. This way, advertisers will find it harder to see your search behavior, and so will your internet provider.

5. Prevent DNS record propagation

DNS propagation refers to the time required to update your online DNS records. If you want to remain more private online, clearing your DNS cache can stop propagation. The reason is that it takes time to successfully update your records.

  • How to clear DNS cache on Mac manually

The steps to empty the DNS cache on your Mac can vary depending on your macOS version. For your convenience, our experts have divided the instructions on how to perform the Mac delete DNS cache process for various iterations of macOS.

Delete your DNS cache in recent versions of macOS—Sonoma, Ventura, Monterey & Big Sur

For newer macOS versions (2020 and later) , you’ll need to follow the instructions explained below:

  • Click the Spotlight search button in the toolbar at the top. Alternatively, use Command+Space to do a search.
  • Type in Terminal , and double-click the Terminal application under Top Hit to open it.
  • Once Terminal is open, enter this command: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder.
  • Enter your Mac’s password and then press Enter to clear the DNS cache.

Begin clearing the DNS cache on your Mac by going to the Spotlight app. You can access it via the search bar or by pressing command + S on your keyboard.

Clear the DNS in macOS Catalina and older versions

Older macOS versions use different commands. To flush the DNS cache in these older versions, enter these in Terminal:

  • In macOS El Capitan or newer , run sudo killall -HUP mDNSResponder.
  • For macOS Yosemite , enter sudo discoveryutil udnsflushcaches.
  • In Mac OS Lion, Mountain Lion and Mavericks , the command is sudo killall -HUP mDNSResponder.
  • In Mac OS Snow Leopard , enter sudo dscacheutil –flushcache.
  • For MacOS Leopard , run sudo lookupd –flushcache.
  • In Mac OS Tiger, use lookupd –flushcache.

Once you’ve flushed the DNS cache on your Mac, check the problematic website to see if the problem is fixed, and you’re able to visit the site normally again. If you’ve been wondering why your Safari is so slow and the problem persists post-DNS cache clearing, try other solutions. For example, delete needless extensions and close energy-consuming apps.

  • Flushing your Mac DNS cache: Easy and essential

You should see the DNS cache on Mac as a good starting point for solving issues you may have while browsing the web. For example, web pages that won’t load properly are often a symptom of a DNS cache that requires a clearout.

If clearing the DNS cache didn’t work, your Mac could have bigger problems that you must address. Malware might be one of these, and you can check for viruses and whatnot with MacKeeper’s Antivirus. Our tool automatically searches for and quarantines malware, enabling you to do the easy work of removing it and enjoying your browsing experience once more.

1. How often should I flush the DNS cache on Mac?

There’s no recommended time span. You can purge your Mac’s DNS cache as often as needed without harming your device, and it’s a good idea to do it every six months or so.

2. Is it safe to flush DNS cache?

Yes, it’s safe to flush DNS cache on your Mac. Cached data is simply temporary storage. Having said that, you shouldn’t clear the DNS cache every day, as this would stop it from doing its job of making the page load faster.

Besides, clearing your Mac’s DNS cache can help you hide your search behavior, protect against manipulation by cybercriminals , and solve technical problems when accessing web apps. But there’s no point in doing it all the time if you don’t need to.

3. How do I clear DNS cache in Safari?

Safari browser also keeps a DNS cache. When you restart the browser, it clears the cache automatically, but you can do the same manually without relaunching the app .

  • In Safari, go to Safari > Settings in the menu bar.
  • Click Advanced and then tick the Show features for web developers box to enable the Develop menu.
  • From the menu bar, select Develop > Empty Caches . Once your browser cache is cleared, quit and relaunch the browser.

safari clear dns

Once you’ve cleared the DNS cache in Safari, you should find that your browser runs much more effectively than before.

Read more guides:

  • How to Use Incognito Mode in Safari
  • How to Use Internet Explorer for Mac
  • Removing the Bing Redirect Virus From Your Mac
  • How to Clear the Download Cache in Steam on a Mac
  • 3 Ways to Kill Background Processes Running on Your Mac

*You can download the app for free and try its functionality yourself before making a purchase.

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How to clear your DNS cache in 5 minutes

Turbo-charge web loading times and your privacy with just a few clicks

Man using laptop in office

Each time you type a new web address into your browser’s address bar, your device connects to a DNS Server to translate its simple human-readable name into a machine-readable IP address , so you can connect to your web server of choice.

Many modern devices and operating systems store the IP addresses of the sites you visit in a special DNS cache to help you access them faster in future. 

Problems occur when things start to go stale. Perhaps the website in question has updated its IP address or maybe they’ve added a new server to which you can connect even faster. This can cause web pages to load slowly, or sometimes not all. 

Bad actors like hackers will sometimes target your DNS cache. This is known as ‘DNS poisoning’ and is very dangerous : if, for instance, you typed in the website address of your bank, a hacker could redirect you instead to a copycat ‘ phishing ’ website. 

DNS settings 

Even if you’re not worried about slow web pages or being targeted by cybercriminals, you may want to update your DNS settings. Public DNS servers such as those offered by Google and Cloudflare are often much faster than those offered by your ISP, and they can filter out harmful links.

If you sign up with one of the best VPN services (and reliable free VPN providers), they will also supply their own DNS servers. This is because if you connect to a VPN but continue to use the DNS servers supplied by your ISP, anyone monitoring your connection can see which websites you’re visiting, as well as what services you’re using, such as Netflix. This is known as DNS leak . 

If you’re considering subscribing to a VPN or updating your DNS settings, you should always “flush” your DNS cache first to clear out any old web data. This is not only better for your privacy. It will stop pages from failing to load properly using the new DNS servers.

Clearing your DNS caches isn’t hard to do but to make sure your settings are updated, you need to do it on each device and browser you use.

How to clear your DNS cache 

There’s very little risk in clearing your DNS cache but as always when making any system-wide change to your system, make sure to save and close any open files, as well as run backups before you start.

If you’re using Microsoft Windows, clearing the DNS cache is very simple. Simply boot to the desktop, enter “CMD” into the search box to run the Command Line Utility and run:

ipconfig /flushdns

You’ll see a confirmation message to say this has been done.

If you’re running a Mac, it’s more complicated. In each case you’ll need to boot to your macOS desktop, open Spotlight and search for ‘Terminal’. But the commands you need to enter are slightly different depending on which version of macOS you’re running.

For versions of macOS12 (Sierra) and later run the command:

sudo killall -HUP mDNSResponder;sudo killall mDNSResponderHelper;sudo dscacheutil -flushcache

For OS X 10.10 (Yosemite) run:

sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder

For OSX Lion, Mountain Lion and Mavericks, run:

sudo killall -HUP mDNSResponder

If you don’t feel comfortable using the Terminal, MacKeeper also has a feature to clear the macOS DNS cache .

There are many different ‘flavors’ of Linux and it would take too long to provide instructions for how to clear your cache here. However if you’re using a recent version of Ubuntu or one of its variants like Linux, simply open the ‘Terminal’ app and type:

sudo resolvectl flush-caches 

For Red Hat Linux and it’s variants open Terminal and run:

service nscd restart

If you have an iPhone or iPad, the DNS cache clears itself each time the device restarts or is placed in “flight mode”. Enable flight mode or turn your iOS device off, wait 30 seconds, then reconnect.

Android devices like mobile phones and tablets don’t have a built-in way to clear the DNS cache but you can get round this by installing Chrome on your device, then following the instructions for clearing the cache below.

How to clear browser DNS cache

Just in case you were thinking this was too easy, some browsers also store their own cache to help with faster loading times. These can also become corrupted or be exploited, so make sure to clear them out at the same time you clear the main DNS cache on your computer or mobile device. 

Microsoft Edge

Open Microsoft Edge and click on the three-dot menu at the top right and choose ‘History’. Next choose ‘Clear Browsing Data’. A new window will open. Use the “Time Range” dropdown menu to select “All Time”. Make sure that the tickbox “Cookies and other site data” is checked, then click “Clear Now.”

With the Safari browser open, click Safari > Preferences. Next, click the ‘Advanced’ tab and check ‘Show Develop Menu’. Click the new ‘Develop’ option in the menu bar, then ‘Empty caches’.

Google Chrome

Open Chrome and type this into the address bar:

chrome://net-internals/#dns

This accesses Chrome settings. Just click the “Clear host cache” button to flush out your old DNS data. Opera

Like Google Chrome, the Opera browser is based on Chromium, so the steps you need to go through are very similar. Just open the browser and type this into the address bar:

opera://net-internals/#dns

As with Chrome, just click on “Clear host cache” to flush your old DNS settings. Firefox

Click the Firefox menu icon at the top right of your browser window, then go to “History > Clear Recent History”. Under the “Time range to clear” dropdown menu, choose “Everything,” then click OK. 

DNS clearance 

Clearing out your DNS cache is a great way to improve connection speeds and stay safe from hackers. It also makes it more likely if you’re updating your DNS settings that your devices and installed browsers will work right away.

If you’re still experiencing slow loading times after connecting to a VPN and using their DNS servers, see our guide How to speed up a VPN when you’re not already using one of the fastest VPNs . 

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Nate Drake is a tech journalist specializing in cybersecurity and retro tech. He broke out from his cubicle at Apple 6 years ago and now spends his days sipping Earl Grey tea & writing elegant copy.

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How to Clear DNS Cache on Chrome, Edge, Firefox, Opera, and Safari

Rishi

  • March 13, 2023

:Are you experiencing sluggish loading speeds or difficulty accessing certain websites? It could be due to a dated or corrupted DNS cache resting in your web browser. You should clear your DNS cache when troubleshooting internet connection or website loading errors. This way you can quickly eliminate any problems and optimize your browsing experience.

How to Clear DNS Cache on Chrome, Edge, Firefox, Opera, and Safari

To help make this process easier for those using Chrome, Edge, Firefox, Opera, and Safari browsers – we have put together a guide on how to efficiently clear their respective caches.

1. How to Clear DNS Cache on Google Chrome

Clearing your DNS cache on Chrome is a quick and easy process that can help you fix website loading issues. To do this, follow the steps outlined below:

  • Open your Chrome browser.
  • In the address bar type, chrome://net-internals/#dns and press Enter.
  • Click on the Clear host cache button.

Clear host cache in Opera

Close and re-open your Chrome browser for the changes to take effect.

2. How to Clear DNS Cache on Microsoft Edge

If you’re experiencing website loading issues on Edge, clearing your DNS cache may help. Follow the steps outlined below to do it:

  • Open your Edge browser.
  • Type edge://net-internals/#dns in the address bar and hit Enter.
  • Look for the Clear host cache  option and click on it.

Clear DNS Cache in Opera

After you are done, you can close and re-open Edge for the changes to take effect.

3. How to Clear DNS Cache on Mozilla Firefox

Keeping your DNS cache clear within Firefox can help you experience faster web browsing, as it stores the IP address of a website when you visit and uses this to streamline loading on later visits. To ensure that Firefox is using the latest IP address information for each site, follow these steps to do it:

  • Open the Firefox browser.
  • Type about:networking in the address bar and hit Enter.
  • Click DNS in the left-hand sidebar.
  • Now click the Clear DNS Cache button.

Clear DNS Cache in Firefox

Wait for a few seconds while Firefox clears the DNS cache. Once complete, you can now close the page and start surfing the web with a fresh DNS cache.

4. How to Clear DNS Cache on Opera

Having a clear DNS cache can help Opera users experience faster web loading times as it stores the IP address of websites when you visit them. To clear it, follow these steps:

  • Open the Opera browser.
  • Type opera://net-internals/#dns in the address bar and hit Enter.
  • Click the Clear host cache button. This will delete the DNS cache in Opera.

Clear DNS Cache in Opera

Wait for a few seconds and you can now close the page and start surfing with a fresh DNS cache.

5. How to Clear DNS Cache on Safari

Clearing the DNS cache on Apple’s Safari browser is a simple process that can help resolve certain issues with webpages loading properly. To clear DNS Cache on the Safari browser, follow these steps:

  • Open your Safari browser and click on the Safari menu.
  • Select the Preferences option from the drop-down list.
  • In the Advanced tab, check the box next to the Show Develop menu in menu bar option.
  • Click on the Develop tab that appeared in the menu bar.
  • Select Empty Caches  from the drop-down list.

Close the browser and re-open it to ensure that your changes have taken effect. This way you can easily clear your DNS cache on Chrome, Edge, Firefox, Opera, and Safari and enjoy faster loading times for websites you visit frequently.

Frequently Asked Questions | DNS Cache

1] what is dns cache.

A DNS cache, also known as a DNS resolver cache, is a temporary database that stores the IP address of every website you visit along with other information related to resolving domain names. This means that your computer can quickly look up the site’s IP address instead of needing to query a DNS server every time you want to visit the website.

2] Does clearing the DNS cache affect website performance?

Clearing your DNS cache can help improve website performance if you are experiencing any issues related to loading web pages. It can also help improve security by preventing malicious sites from being accessed.

3] Is there any other way to clear the DNS cache?

Yes, you can also use the Terminal to clear your DNS cache. To do this, open the Terminal app and type in ipconfig /flushdns and press enter. This will flush your DNS cache and you should then be able to access web pages without any problems.

4] Do I need to restart my computer after clearing the DNS cache?

No, you do not need to restart your computer after clearing the DNS cache. However, it is recommended that you close and re-open your browser for the changes to take effect.

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How to Clear DNS Cache in Chrome, Edge, Safari, Firefox, and Opera

Sushan Chakraborty

A Domain Name System (DNS) server is invoked every time you try to visit a website on your computer via a web browser. The DNS server translates the domain name to its IP address equivalent. The conversion is time-consuming, as the resolver, root server, and Top-Level Domain (TLD) server are all involved in the process.

To make the task more efficient, your computer’s operating system maintains a temporary database, containing all the visits and attempted visits to websites and different internet domains. That database is called a DNS cache or DNS resolver cache.

It works by keeping a journal of all your recent DNS lookups, making sure the operating system can simply refer to the sheet instead of performing a complete lookup to load a previously-visited website.

Today, we will check out what the purpose of clearing your DNS cache is and how to perform it in Google Chrome, Microsoft Edge, Safari, Mozilla Firefox, and Opera browsers.

When Is it Required to Clear DNS cache? 

DNS cache acts as an internet directory, making it easy for your system to load familiar web pages. However, the cache is not immune to network attacks, administrative accidents, and computer viruses. If your DNS cache is exposed to such attacks or mishaps, there is a chance of DNS Poisoning or Pollution.

A DNS cache is considered poisoned or polluted when incorrect DNS entries are added to the cache. When that happens, your requests are redirected to a different, often malicious website. They can even look like the original website but tend to extract sensitive info from visitors.

If your computer has been compromised in such a manner, flushing or clearing your DNS is the best way to get things back on track.

What Is the Benefit Of Flushing Or Clearing DNS?

DNS pollution or poisoning occurs when a malicious agent infiltrates the cache and replaces original entries with fraudulent ones. By flushing your DNS cache, you ask your system to delete all the entries in the cache and make build them back up from scratch. 

For example, if your compromised DNS cache redirects Facebook.com to a duplicate website, flushing your DNS would go a long way in solving the problem. Since it will delete the current entries, chances are that the original IP address would be fetched when you try to open Facebook.com after flushing.

Clear Operating System DNS Cache

Flushing your DNS is not dependent on your web browser, as they do not contain the database. The database is maintained by your operating system and sometimes the router. So, those two need to be reset first. Only after clearing them, you can move on to your browsers and either delete history or reset them completely.

Flush DNS Cache in Windows

1. Run the Command Prompt in administrator mode. You can look for “CMD” in the search and then click on the Run as administrator option. 

Run Command Prompt as Administrator

2. Once the Command Prompt opens, enter the following command: 

3. If the flushing is successful, you will see either see the “Windows IP configuration successfully flushed the DNS Resolver Cache” or “Successfully flushed the DNS Resolver Cache” message.

Flushed DNS Resolver Cache

4. Restart your computer and you are good to go. 

Flush DNS Cache in macOS

Akin to Windows’s Command Prompt, you need to go to the Terminal on Mac to flush your DNS.

1. Hit Command+Space to access the Spotlight Search. 

2. Type “Terminal” and click on the “Terminal” application when the list shows up. Alternatively, you could go to Utilities and open Terminal from there. 

Open Mac Terminal

3. In some cases, you need to terminate the DNS responder after you perform the flush. So it is a good idea to execute the two commands at once and then press Enter.

Run Flushcache Command on Mac

4. You will be asked to enter your Mac password. Pay special attention while entering the password, as the Terminal window does not show how many characters you have typed so far. Press Enter after putting in your password.

5. Unlike in Windows, macOS’ Terminal does not show a completion message. You will know that the command has been carried out if a new line appears.

Clear Your Router’s DNS Cache

If you have a router hooked up, chances are, it also has a temporary DNS cache. Fortunately, you do not need to jump through hoops to clear your router’s cache. All you need to do is turn the router off and turn it back on after a couple of minutes. Upon restarting the DNS cache of the router will be completely reset. 

Clear DNS Cache in Web Browsers

Below, we will check out the ways you could erase the history of your web browsers or reset them completely.

Clear DNS Cache in Google Chrome

1. Click on the vertical ellipsis button (…) in the top-right corner of the browser window. It is located just under the Close button. 

2. Go to Settings . 

Browser Settings

3. On the left side of your screen, you will see a number of tabs. Click on Privacy and security . 

4. Click on Clear browsing data .

Chrome Clear Browsing Data

5. You will see the time range at the top of the pop-up. Select the affected time range. If you are unsure, you can pick All time . 

6. After you check the Browsing history, Cookies and other site data, and Cached images and files options, click on Clear data . Wait for the operation to complete and restart Google Chrome. 

Tap on Clear Data

Alternatively, you could: 

1. Click on the vertical ellipsis button (…).

2. Expand History and click on History . 

History

3. Click on the Clear browsing data option on the left-hand side of your screen. 

Tap on Clear Browsing Data in Sidebar

4. Select a time range, pick what you want to delete, and finally click on Clear data . 

Clear DNS Cache in Microsoft Edge

Microsoft Edge is based on the same platform as Google Chrome. However, clearing browsing data on the browser is a little bit different from Google Chrome.

1. Fire up the browser and click on the ellipsis (…) button in the top-right corner of your screen. 

2. Next, go to Settings . 

Settings in Browser

3. On the top-left portion of your screen, you will find a hamburger menu button. Click on it to expand. 

4. Go to the Privacy, search, and services option. 

Privacy Search and Services

5. You will find the tracking prevention measures at the top of the page. Scroll down to the Clear browsing data section and click on Choose what to clear button.

Edge Choose What to Clear

6. Select the time range, between Last hour and All time .

7. Then, select what you want to delete, Browsing history , Download history , Cookies and other site data , and Cached images and files . 

8. Finally, click on the Clear now button to delete all selected items. 

Edge Clear now

You could also delete just your browsing history on Microsoft Edge without going into Settings. Here is how:

1. Click on the ellipsis (…) button at the top-right corner of the Microsoft Edge browser window.

2. Now, instead of going to Settings, you need to click on History . Alternatively, you could use the shortcut ‘Ctrl + H’ to access your search history on Microsoft Edge. 

History in Edge

3.  Click on the ellipsis (…) button on the top-right side of the pop-up to access more settings. 

4. Next, click on the Clear browsing data option. 

Clear browsing data in Edge

5. Then, select what you want to delete: Browsing history , Download history , Cookies and other site data , and Cached images and files .

6. Finally, click on the Clear Now button to delete all selected cache and history.

Clear DNS Cache in Safari on Mac

Clearing your history is pretty straightforward on Safari. 

1. After launching the browser, click on the Safari banner at the top-left corner of your screen. 

2. Click on Clear History .

Mac Clear History

3. Click on the drop-down menu next to the Clear text and select the time range. 

4. Finally, click on Clear History to wipe the slate clean. 

Mac Clear History Button

Alternatively, you could follow the steps below to clear your cache. 

1. Once you launch the Safari browser, click on the History tab at the top of your screen.

2. After the menu expands, click on Clear History . 

Safari Clear History

3. Select the time range and then hit the Clear History button. 

Clear DNS Cache in Mozilla Firefox

In Mozilla Firefox, you can erase your history, cache, and other files in the following manner:

1. After you open the browser, click on the hamburger menu at the top-right corner of the browser window. 

2. Once the menu expands, click on History . 

History in Firefox

3. Next, click on Clear recent history .

4. Now, select a time range at the top of your screen, select the items you want to erase, and click on OK .

Click Ok in Firefox

Alternatively, you could:

1. Go to Settings after expanding the hamburger menu. 

2. Next, click on the Privacy & Security tab on the left side of your screen. 

3. Scroll down to the Cookies and Site Data section and click on the Clear Data button. 

Privacy Security in Firefox

4. On the next screen, select Cookies and Site Data and Cached Web Content options and click on OK . Restart the browser when you are done. 

Clear DNS Cache in Opera

Opera may have lost some ground in the race for becoming the most popular browser on the internet, but it still has an abundance of nifty features. If you are an Opera user, here are the steps you could follow to delete history and cache. 

1. After you launch the Opera browser, click on the History button on the left-hand side panel. 

History in Opera

2. Click on the Clear Browsing Data button at the top-right corner of the window. 

Clear Browsing Data in Opera

3. Then, select the Time Range, check the Browsing History , Cookies and other site data , and Cached images and files options, and hit the Clear data button.

Clear Data in Opera

Alternatively, you could access the same options via Settings.

1. Open the Opera browser and click on the Settings option on the left-hand side tab. It’s located just under the History button. 

2. Go to the Privacy & Security tab. 

3. At the top, click on the Clear browsing data option.

Privacy Security in Opera

4. Select time frame, select Browsing History , Cookies and other site data , and Cached images and files options before clicking on the Clear data button. 

Final Words

The DNS cache is an integral part of everyday web browsing. Your operating system keeps track of the websites you frequent and populates the DNS cache with their addresses. It allows the browser to load the webpages faster, saving you precious seconds and even minutes.

However, if your computer falls prey to a network attack or a virus infiltrates it, the DNS cache can get dangerously polluted. In that case, the addresses in the DNS cache are messed up, landing you on potentially malicious sites. Unless you are careful, you could give away sensitive account information. 

So, if some of your websites look or feel funny, follow the steps mentioned above to flush your operating system’s DNS cache before cleaning out your browsers. A keen eye could go a long way in preventing digital fraud.

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How to Clear DNS Cache in Chrome, Edge, Safari, Firefox, and Opera

A DNS cache is a temporary storage area that holds website information, such as IP addresses and domain name servers. It helps your browser quickly retrieve websites by knowing the location of their associated resources. Unfortunately, from time to time, the DNS cache can become corrupted or outdated.

As a result, your browser may not be able to find the website you’re looking for due to incorrect information stored in the cache. Fortunately, clearing your DNS cache is a simple and straightforward process that can be done in just a few steps. In this blog post, we will show you how to clear your DNS cache in Chrome, Edge, Safari, Firefox, and Opera.

Why Is It Important to Clear DNS Cache in Browsers?

Clearing the browser’s DNS Cache has many advantages. Here are those:

  • It helps make browsing the web more reliable.
  • It can help with website loading times, especially if a website has recently changed its IP address or server location.
  • It can prevent you from being directed to old versions of websites, which may have outdated information or broken links.
  • It can also protect your privacy, as it prevents cached information from being used for malicious purposes.

Now that you understand the importance of clearing your DNS Cache let’s take a look at how to do it in Chrome, Edge, Safari, Firefox, and Opera.

How to Clear DNS Cache in Chrome

There is no direct option to clear the DNS cache in the Chrome browser; still, you can easily clear your browser’s DNS cache by following these steps:

1. Open the Chrome browser on your system.

2. Enter “ chrome://net-internals/#dns ” into the address bar.

3. Click on the Clear host cache button.

clear host cache in chrome

That’s it! Your Chrome browser’s DNS cache has now been cleared.

How to Clear DNS Cache in Edge

Similar to the Chrome browser, Edge does not provide users with a dedicated option to clear the DNS cache. However, you can use the following steps to do so:

1. Open the Edge browser on your system.

2. Enter “ edge://net-internals/#dns ” into the address bar.

3. Click on the Clear host cache button under the DNS tab.

clear host cache in edge

Your Edge browser’s DNS cache has now been successfully cleared.

How to Clear DNS Cache in Safari

Safari is the default web browser for Apple devices, and it also has a feature that allows users to clear their DNS cache. Here is how to do it:

1. Open Safari on your Mac and click on Safari in the top left menu bar.

Safari

2. From the conext menu options, tap on Settings…

Settings

3. By default you should land in the General tab, go to Advanced Settings .

Advanced

4. Now check the box next to Show Developer in menu bar option.

5. Next, click on Develop in the menu bar.

Develop

6. From the menu options, select Empty Caches .

Empty Caches

That’s all you need to do to clear DNS cache in Safari.

How to Clear DNS Cache in Firefox

Since both Chrome and Edge browsers are developed on the Chromium engine, the process to clear the DNS cache was almost similar. However, on the Firefox browser, the steps are slightly different. Here is how to do it:

1. Open the Firefox browser on your system.

2. On the address bar, type “ about:networking ” and hit the enter key.

3. Now, switch to the DNS tab on the left, and click the Clear DNS Cache button on the right.

clear dns cache firefox

That’s all there is to do! Your Firefox browser’s DNS cache has now been cleared.

How to Clear DNS Cache in Opera

Opera is another widely used browser, and it also has the option to clear the DNS cache. Here is how to do it:

1. Open the Opera browser on your system.

2. Enter “ opera://net-internals/#dns ” into the address bar and hit enter.

clear host cache opera

That’s it! Your Opera browser’s DNS cache has now been cleared.

Frequently Asked Questions

It is recommended to clear your DNS Cache on a regular basis. This can help ensure your browser remains up-to-date with the latest information.

No, clearing the DNS Cache does not delete your browsing history. The DNS Cache only stores IP addresses and other information related to web pages that have been visited.

You can try clearing your browser’s cache and cookies, and disabling unnecessary extensions or plugins. Additionally, you may want to upgrade your web browser and operating system to the latest versions available. This will help ensure that you are always running the most up-to-date software. Additionally, you can also make sure that your system is free from malware and other malicious programs.

Bottom Line

Clearing the DNS cache in your browser is an important process, as it helps make browsing more reliable and faster. It also prevents you from being directed to old versions of websites that may have outdated information or broken links.

We hope this blog post has helped you understand how to clear the DNS Cache in Chrome, Edge, Safari, Firefox, and Opera. If you have any questions or comments, please leave them in the comment section below.

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Pranav Bhardwaj

Pranav is an experienced writer with over 4 years of expertise in the tech industry. He specializes in writing about Windows OS, Android, iOS, and Cybersecurity. Pranav has contributed his writing to well-known publications such as MakeUseOf, WindowsChimp, TutorialsPoint, MalwareFox, and others. When he's not writing, Pranav enjoys playing cricket, chess, and PC games. He also loves to watch sci-fi movies, specially movies from the Marvel Cinematic Universe.

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How to Flush DNS on Mac – MacOS Clear DNS Cache

In this tutorial, you will learn why flushing your DNS cache is important, and how you can clear the cache on your local system.

Here is what we'll discuss in this guide:

  • Why flushing DNS cache is important
  • How to access the terminal application on MacOS
  • How to clear DNS Cache for your MacOS version

What is DNS Cache?

DNS acts much like an internet phonebook. Think of what a phonebook does – it maps a person's name to their respected phone number.

DNS (short for Domain Name System) maps domain names to their associated IP addresses.

A domain name, such as freecodecamp.org , is easily read, understood, and recalled by humans.

IP addresses (IP is short for Internet Protocol) is an address that is machine-readable and consists of a unique series of numbers. These numbers identify a device connected to the Internet.

Their format is not that human-friendly since it is hard to remember an exact sequence of numbers each time you want to visit a website.

DNS then maps freecodecamp.org to its associated IP address - 104.26.3.33 .

Think of the DNS cache as a local storage area on your Mac.

It temporarily stores and keeps track of your computer's activity records like recent website visits.

Each time you visit a website by typing its URL (short for Uniform Resource Locator), the DNS cache will save the IP address associated with that website.

When you visit that same website for the second time, the lookup process is more efficient, and the lookup time is much shorter.

It helps save significant time.

Why Flushing DNS Cache Is Important

You should flush the DNS cache for a few reasons.

The two most important ones are:

  • Flushing DNS is a helpful step for troubleshooting Internet connectivity issues .

You may be getting DNS errors in your browser, such as the 'DNS Server Not Responding' message when trying to access a site and establish a connection.

Keep in mind that your local cache information can become outdated over time.

When DNS updates happen on a website, your Mac is still using the old, inaccurate information to load the requested page.

Flushing the DNS cache makes sure cache information is up to date.

  • Flushing the DNS cache prevents network security threats, malicious attacks, and DNS cache poisoning from happening .

Hackers can access and corrupt your saved DNS cache records.

For example, they could manipulate and change the IP address associated with a Domain Name of a website you have already visited and map it to a malicious one.

The next time you request to access that same website, there will be a redirection to a fake and corrupted URL.

Hackers can request personal and sensitive information, such as credit card numbers, and steal it.

Frequent flushing of the DNS cache will help prevent this from occurring.

How to Flush DNS Cache on MacOS

Clearing the DNS cache on your Mac is a relatively straightforward process, even if you don't have a lot of technical knowledge.

Here is what you will need:

  • Access to the command line,
  • Your computer password,
  • To enter a text command (the command will depend on the version of macOS you are running).

How to Access The Terminal Application on MacOS

macOS has a built-in CLI (Command Line Interface) named Terminal.app , which allows you to enter text-based commands that the Operating System will carry out.

There are a few ways to open the terminal.

The easiest way is through Spotlight search.

For this, you can:

  • Either navigate to the very top right corner of the screen and click on the icon that looks like a magnifying glass.
  • Or, you can also use the Command Space shortcut.

Both will open up the following window:

Screenshot-2022-04-20-at-10.07.52-AM

From there, start typing terminal and click on the Terminal.app option that appears.

You should see a window open that looks similar to the following:

Screenshot-2022-04-20-at-10.12.29-AM

How to Clear DNS Cache For Your MacOS Version

In the terminal window, you will then need to enter a command.

The command is different depending on the version of macOS you are running.

Each version of macOS has a version number and a version name.

To find out the macOS version on your computer, click on the Apple icon at the very top left corner of your screen. From the dropdown menu that appears, select About This Mac .

In the Overview tab, you will first see the version name. Then, underneath that, you will see the version number.

Screenshot-2022-04-20-at-11.07.26-AM

In the table below, you will see the versions of macOS in reverse chronological order – from the most recent one to the oldest one.

Navigate to your version of Mac and copy the respective command.

After typing the command and hitting enter, there will be a prompt for entering your computer's password.

Keep in mind that when you are typing your password, you will not be able to view what you are typing – not even any asterisks.

It appears as though nothing is happening, but rest assured that something is.

Once you have entered your password and hit enter, you will not see a message indicating that the process is complete.

Instead, you will view a new terminal prompt.

And there you have it – your local DNS cache is now clear.

Hopefully, this has helped resolve any connectivity issues you may be experiencing.

Clearing DNS frequently is always a good idea to help fix troublesome internet connections and ensure your system is secure from potential threats.

Thanks for reading!

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Flush DNS: What is it & How to do it (Windows, Mac, Linux)?

flush DNS cache

Are you looking for How to easily flush the DNS command cache? Then you are at the right post. In this comprehensive guide, you will learn How to flush the DNS command cache without any technical support.

When you host a website or an application on a server, whether it is Windows-based or Linux-based, a special set of numbers repeated by decimals is assigned to them. These numbers are commonly known as IP addresses. repeated by decimal.

DNS or Domain Name Server acts like a translator which translates the website URLs to their corresponding IP addresses.

In this article, we will cover the following topics and learn how to flush DNS in Windows, Mac, Linux, etc. So let’s move forward –

How to Flush DNS Cache

The process of clearing the cache depends on your operating server and browser.

  • How to Flush DNS in Windows 10
  • How to Flush DNS MAC Operating System (iOS)
  • Clearing Linux DNS Flush Cache
  • How to clear DNS Cache in Chrome
  • Clean DNS Cache in Firefox
  • Clear Browser Cache for Safari
  • Clear Browser Cache for Internet Explorer

1. How TO Flush DNS in Windows 10?

To flush DNS in your Windows 10 device here are some easy steps you should follow:

Here are the simple steps that will help you flush your DNS Cache all by yourself.

The steps can be different depending on the operating system versions.

First of all, on your Windows computer click on the “Start” button. After that go to the Run option and type “CMD” followed by hitting the “Enter” button.

Run dialogue Box in Windows

Now run the CMD tool ad Administrator and type “ipconfig/flushdns” and hit “Enter”.

FlushDNS

When the flushing DNS cache successfully sone a confirmation message will be displayed on the screen.

Flush DNS

This way, you will be able to delete all the information stored in the cache and the computer will be forced to download the new data

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2. How To Flush DNS in Mac Operating System(IOS)

If you are a Mac OS user, flushing the DNS cache can be as follows:

Go to your MAC machine and Open Finder > Go > Utilities.

Utilities in MAC

Now click on the Terminal App and Open it. (The Terminal APP is equivalent to the Command Prompt of Windows OS)

Terminal App in MAC OS

Now run the following command to clear the DNS cache from your MAC OS machine.

sudo killall -HUP mDNSResponder && echo macOS DNS Cache Reset

The above-mentioned command could vary depending on the macOS version you use.

Read: 🚩 What is a DNS

3. Clearing Linux DNS Flush Cache

If you are a Linux User, Follow the steps given below:

  • Clear DNS Cache in Ubuntu or Linux Mint
  • Steps to flush DNS Cache On Linux CentOS

Follow the following steps to clear the DNS Cache On Ubuntu Linux and Linux Mint:

1. On your Linux machine, Press the Ctrl+Alt+T keys to Open the Terminal.

2. Now, when the terminal is launched, enter the following command code

sudo /etc/init.d/networking restart

clear the DNS Cache On Ubuntu Linux

3. It may not allow you to proceed further and ask you for an admin password,

But After completion, it will display a confirmation message as follows:

[ ok ] Restarting networking (via systemctl): networking.service

In case Flushing the DNS is unsuccessful, please enter the following command on your terminal:

sudo apt install nscd

Once the above command is successful, You can retry to flush the DNS cache by following the steps and repeating steps 1 to 3.

Steps to flush DNS Cache On Linux CentOS:

If you are a Linux CentOS user, flushing the DNS will be as follows:

1. First, press the Ctrl+Alt+T keys simultaneously to open the terminal APP.

2. When the terminal app opens, enter the following command and hit enter.

nscd -i hosts

3. Now if you want to restart the DNS service enter the following command.

service nscd restart

service restart in Linux CentOS

4. Clear DNS Cache in Chrome

You can also Clear the DNS host cache on your Chrome Browser, Follow the steps given below:

1. First Open the Google Chrome app on your PC and enter the following address in the Address bar. chrome://net-internals/#dns

Clear DNS Cache in Chrome

2. It will open a Tab as shown in the picture above.

3. Now you have to click on the DNS option > “Clear Host cache” button.

5. Clean DNS Cache in Firefox

If you Firefox browser user, follow these steps to clear the cache:

1. First, open your Firefox browser, and go to the History tab located at the top as shown in the picture.

Clean DNS Cache in Firefox

2. Now click on the Clear Recent History option > Select Cache( Along with the relevant options if you want) and click on the “Clear Now” button.

Clean DNS Cache in Firefox

6. Clear Browser Cache for Safari

For Safari browser users, follow the steps given below:

1. On your MAC machine, open Safari browser and go to the “develop” tab located at the top of the menu.

2. Now in the Develop menu tab you will find a dedicated. “Empty Caches” option.

3. Click on it and you are done.

Empty caches on macos

However, if you want to completely clear the cache, you can also directly choose to clear the history. Go to your Safari browser > History option > Clear History.

7. Clear Browser Cache for Internet Explorer

For Internet Explorer users, follow the steps given below:

Open your Internet Explorer Browser, and click on the three horizontal dots located at the right top corner as shown below:

Clear Browser Cache for Internet Explorer

Now click on the Settings option, followed by clicking on the “Choose what to clear” option under Clear browsing data.

Clear Browser Cache for Internet Explorer

Now you have the option to select what to clear. Mark check boxes that you would like to clear and click on the “Clear” button.

Clear Browser Cache for Internet Explorer

Things you should know before Flush DNS Cache

The main reason for mentioning” How DNS works” here is to make sure you have a basic understanding of How DNS cache works and Why it is so important.

Operating systems or your Local machine are designed to store the DNS addresses of the websites you visit so that whenever you visit the same website next time, the DNS lookup can be skipped and improves response time. This whole process is known as DNS caching.

So, if you have migrated your website to another web hosting or server with a new DNS, there are chances that you are still able to see the website from the old server. It is because your machine has stored the website’s DNS address in its DNS cache.

If you want to see your website from a new server, you need to clear your DNS cache from your machine or Computer irrespective of Operating system.

This whole process takes place a the backend, hence most of the users are not aware of this. Even you won’t be able to identify it unless you have made certain changes on the website and you won’t be able to see them.

Therefore, if you have recently migrated your WordPress site to a new server and made some customizations or changes to it. But still not able to see any difference or changes on your website.

One of the fundamental diagnostic steps you need to follow is to flush the DNS cache . 

You can do it either on your browser or your Computer by simply following the methods that we have mentioned below.

Hard Refresh from your Web Browser

Before proceeding to flush your DNS cache you can try Refresh or Reload the webpage you were trying to access. This way it will clear the web page cache and the browser will be forced to load the updated or fresh files of the website.

If you are using web Browsers like Internet Explorer, Microsoft Edge, or Google Chrome on a Windows PC, you can try refreshing the webpage by simply pressing “Ctrl+F5” on your keyboard.

But if you are a macOS user and use browsers like Google Chrome or Mozilla Firefox for accessing websites, you need to press “CMD+SHIFT+R” on your Keyboard.

For the Apple Safari browser, you need to press “SHIFT+Reload” on your Keyboard.

On the other hand, you can also try to access the webpage using incognito Mode (Chrome) or Private Window (Firefox).

If you want to acquire detailed knowledge about Domain Name Servers, you can visit the Wikipedia page for DNS.

Read: 🚩 chrome://net-internals/#dns – How to Clear DNS Cache Chrome

Based on the Operating System and Browser you are using you can adopt one of the above methods if you encounter any issue

As a step-by-step procedure, you can try these:

  • Try Hard Refresh of the Web Page (Ctrl+F5)
  • Use the Clear Browsing Data option from your Browser’s settings (as mentioned in the above steps)
  • Flush the DNS of your Operating System ( Using the Command Prompt as mentioned above)
  • Restart your Modem to reset your internet connection

This will most probably resolve your issue if you are not able to see the updated version of your website recently migrated to a new server. We recommend contacting the tech support of your Hosting Provider if you still facing the issue even after following the above steps.

General FAQ

How to clear dns cache in windows.

It’s easy to flush DNS cache in Windows just –

  • Click the Windows start button and type cmd
  • Click on Command Prompt to open
  • Enter the following command
  • With the command prompt open type:

ipconfig/flushdns

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Snehil Prakash is a WordPress enthusiast and web development expert who previously served as the Marketing Manager at WPOven. He believes that business owners should spend their time investing in their core business missions, not setting up and maintaining a WordPress site.

Snehil has been instrumental in providing all-inclusive managed WordPress solutions to businesses of all sizes, ensuring that they have the resources they need for a robust online presence.

Related Posts:

DNS poisoning aka DNS spoofing

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How to clear DNS cache on iPhone and iPad

Yash

Our screen addiction has resulted in a significant accumulation of data cache on our iPhones. This cache includes not only the information stored on our devices but also the DNS cache that holds our browsing preferences. While this caching mechanism aims to enhance our personalized experience, it can sometimes lead to issues on your iPhone.

To help you avoid this problem, the following guide will take you through the steps of clearing out the DNS cache on your iPhone and iPad running iOS 16, ensuring a smooth and optimized browsing experience.

How to flush DNS cache on iPhone and iPad

Benefits of clearing out dns cache on iphone.

Whether you’re experiencing slow internet connectivity, facing DNS-related issues, or simply want to refresh your device’s DNS settings, flushing the DNS cache can often be the solution to a series of problems.

There are 4 ways to do it, and all of them have been listed below.

1. Airplane Mode

Enabling Airplane Mode tends to disable every wireless feature and shuts down radio services on your device. This is the quickest way to flush your DNS cache on your device on the go. To do so:

  • Access Control Center on your iPhone by swiping down from the upper right corner of the screen.  In case you’re operating an iPhone with Home Button, swipe up the bottom edge of the screen.

Refresh cellular network using Airplane mode

  • Wait for 15-20 seconds before turning off the Airplane Mode.

You can repeat this trick multiple times a day and ensure that your device remains clear of the DNS cache.

2. Resetting network settings

If you wish to be certain while getting rid of the DNS cache on your iPhone, you can reset your network settings.

In my opinion, although this method is effective, it’s a bit too much. It will end up removing every saved Wi-Fi password in your device. So please follow these steps after careful consideration.

  • Launch the Settings app.
  • Navigate to the General option and access Transfer or Reset iPhone .

Tap general, Transfer or Reset iPhone, reset in settings

  • Now hit Reset Network Settings .

Tap reset network setting, enter passcode in settings

Remember that if you go through with this procedure, your network settings, passwords, and preferences will be removed. Hence, you will have to set it up again.

3. Clear browser cache

In certain situations, it may not be necessary to completely delete the DNS cache from your iPhone. Instead, you might only need to clear the cache for a specific browser that you use.

To simplify the process for you, I have provided detailed instructions below on how to clear the cache for two of the most widely used browsers on the iPhone:

  • Google Chrome

By following these guides, you can effectively manage and optimize your browsing experience on your iPhone.

4. Reboot your iPhone or iPad

Well, coming this far, if none of the above-mentioned techniques seem feasible to you, it’s time to move for the simplest approach. Yes, you’ve guessed it right. So, let’s get it over with.

Based on the iPhone variant you’re equipped with, restart your device to flush the DNS cache in your system. However, a system restart may take a while longer but can rectify almost every concern.

The DNS cache stores information about websites that the user has visited, enabling faster loading of those websites upon revisiting them. However, clearing out the DNS cache on an iPhone or iPad is a crucial step in maintaining the device’s performance and avoiding potential security risks.

  • Over time, this cache can become cluttered with outdated or incorrect information, leading to slower loading times and website errors.
  • A compromised DNS cache can be used to redirect a user to fraudulent websites or inject malware into their browser.
  • Clearing out the DNS cache periodically ensures that the device is accessing accurate and secure information for safe browsing. It also helps improve network connectivity issues by resolving any conflicts related to old, cached data.
  • Clearing your iPhone cache is essential for maximizing performance, fighting security threats, and ensuring reliable connectivity.

After performing any of the above-mentioned methods, try to look for the small things like the time required to load a new search query or connect to a new website. If the response rate is faster, then you’ve successfully flushed the piled-up DNS cache from your device.

Clearing the DNS cache can potentially improve your internet speed by resolving any outdated or incorrect DNS information. It allows your device to fetch the most accurate DNS records, reducing the time it takes to connect to websites or online services.

As such, there is no specific timeframe for clearing the DNS cache. It is typically a troubleshooting step rather than a routine maintenance task. You should clear the cache when you encounter network issues or if you want to refresh your DNS settings.

Please hover through our detailed guide on clearing the DNS cache on Mac to get your issue rectified in a few simple steps.

Happy Browsing!

In conclusion, if you are experiencing DNS-related issues on your iPhone or iPad, such as difficulty accessing websites, clearing the DNS cache can help you without any hassle. Thankfully, the process to clear the DNS cache on these devices is simple and can be done in a few easy steps. So, try out these methods and get back to browsing without those pesky DNS lags.

Thank you for reading. If any, share your thoughts in the comment section below.

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  • Is Google search not working on iPhone? 14 Ways to fix it!

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Complete Guide: How to Clear DNS Cache on Mac?

Quick Navigation

Part 1: What Is DNS Cache On Mac And Why Do You Need To Flush It?

Part 2: ways to clear or flush dns cache on mac, part 3: mac refresh dns methods, part 4: reset dns settings on mac, part 5: use macube for macos flush dns or clear dns cache on mac.

Mac, manufactured and licensed by Apple Inc., is the second most popular device and operating system, right after Microsoft Windows. In 2024, more than 100 million users worldwide are using Macintosh, and 10% of all PC and laptop sales were from Mac. Mac Pro, Macbook, Macbook Pro and iMac are some of the most popular devices sold by Apple, and it is growing day by day.

If you are reading this article, chances are, you are a regular MacOS user and facing network issues. If you are thinking about how to clear DNS Cache on Mac, this is the article for you. In this article, we will look at what DNS and DNS caches are, why you need to flush your DNS cache in your MacOS regularly, and how to do that. We will go through some regular methods for flushing DNS cache on Mac, and then we will discuss the simplest and easiest way to do it.

To clear DNS on Mac or refresh the DNS cache, we need to understand what a DNS cache is. Domain Name System (DNS), is a service where the name of a website is linked to an IP address. Every device has an IP address, which is a set of letters and numbers. DNS attaches a “domain name” to this address, so it is easily understandable and memorable.

A DNS cache is a temporary database on your device, whether it is a computer or a smartphone, which stores the DNS data. Like all devices, Mac devices store all DNS data in a local storage area called a DNS cache. By doing so, it stores the data from your previous visit in this cache, which allows the page to load at lightning-fast speed and makes your browsing faster.

When you write a domain name in your browser, the browser’s resolver uses this to send a query to the DNS server, which brings up the IP address linked to the domain name. This “domain-to-IP mapping” is saved in the cache for future use, which makes page load times faster and also puts less pressure on the servers hosting the DNS data every single time your browser makes a request.

So, this seems like a good idea to keep your DNS cache intact indefinitely. Well, there are several reasons why resetting DNS or flushing DNS cache in MacOS becomes necessary:

  • If a website you’re trying to access switches to a new server, moves to a different server location, or changes its web hosting services, you’ll get a 404 error. It’s because your browser is trying to load the site in the same location based on outdated cache data.
  • Hackers can corrupt the DNS records by an attack known as “DNS spoofing” or “DNS cache poisoning, where they gain access to your cache and change the IP address associated with the domain name, which is used for phishing attacks. If you suspect this happening, you need to routinely clear your DNS cache.
  • Sometimes if you have errors accessing a website, or the website loads incompletely or improperly, usually users resort to clearing their browser’s cookies and temporary internet files. If this doesn’t work, DNS flush or reset DNS in Mac is an option.
  • Both OS and browsers keep a comprehensive record of the domain-to-IP mapping, thus keeping track of your browsing history and browsing behaviour. Flushing the DNS cache clears this up and keeps intruders from being able to access your data. If privacy is very important to you, it’s important to clear the MacOS DNS cache.

Now you see why it’s important to clear the DNS cache. If you’re using a Mac OS, it’s quite a simple process. The following section will detail how to do this.

So, now that we understand why it is important to regularly flush the DNS cache in Mac, let’s go through some methods, starting from the easiest to the most complicated.

Method 1: Clear DNS by Restarting DNS Service

The easiest and first method to clear the DNS cache on MacBook is to go through the “off and on” method.

Step 1:  Turn your router off.

Step 2:  Wait 10 seconds and then turn it on again. This ensures that you start afresh with your DNS settings. However, this method is quite distracting and you have to wait a while for the services to restart.

Method 2: Using Terminal to Clear DNS Cache on Mac

Here is how to clear the DNS cache on Mac using Terminal –

Step 1: Find the Terminal

You can do this in several ways –

  • In your taskbar, go to Applications > Utilities > Click on Terminal
  • Press Command + Space key and a search option will come up. Type "Terminal" and press return.

Step 2:  In the Terminal, write the following code –

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

HUP mDNSResponder | Clear DNS Cache on Mac

Step 3:  Then the terminal will prompt you for your login password. Type your password. You will notice that your password or any other character isn't shown as you type. Press return.

The difficulty of flushing the DNS Mac terminal is that it's vital to check your macOS version before attempting to flush your DNS cache through the Terminal. That’s because different commands apply to different macOS versions. Therefore, the method detailed in the previous section to flush DNS in MacOS will work on the latest MacOS. For other MacOS versions, check the following list:

lookupd flushcache | Clear DNS Cache on Mac

Before trying this method, it is important to check your MacOS or MacOS X version.

Method 3: Manually Clearing the DNS Cache from Finder

You can also manually clear your DNS cache by clearing the system cache through Finder

Step 1:  Open Finder

Step 2:  From Taskbar, Click Go > “Go to folder…”

Step 3:  Type “~/Library/Caches” and it’ll open the Caches folder.

open the Caches folder | Clear DNS Cache on Mac

Step 4:  Select all and press delete. This will delete all the cache files that your browser accesses.

Method 4: Configuring DNS Servers from Browsers

You may also flush the DNS cache from your browser's settings. Keep in mind that this is separate from the browser’s cache that you can clear through erasing your browsing data. Here we will see how to do that for some of the most popular browsers in MacOS and MacOS X – Safari, Chrome and Firefox.

Step 1: If you don’t have the “Develop” menu, you need to set it up. Click “Safari” on the menu bar and click on “Settings”

Step 2: Click on the “Advanced” tab. Check “Show Develop menu in menu bar” and close the Settings window. You will see the “Develop” menu.

Show Develop menu in menu bar | Clear DNS Cache on Mac

Step 3: On the menu bar click on the now visible “Develop” bar and find “Empty cache”. Click on it and Safari will flush its DNS cache.

Empty cache | Clear DNS Cache on Mac

Step 1:  Go to your browser’s address bar and type the following: chrome://net-internals

It’ll navigate to the internal settings tab. Click on the DNS tab.

internal settings tab | Clear DNS Cache on Mac

Step 2:  Press the “Clear host cache” button. Chrome will flush its own DNS cache.

In Firefox:

Step 1: In Firefox browser’s address bar, type “about:networking”  and it will take you the the Networking section of Firefox’s internal settings.

Step 2: Click on the “DNS” tab, and click the “ Clear DNS Cache” button.

Clear DNS Cache | Clear DNS Cache on Mac

This will clear the DNS cache of Firefox.

Note: As browsers’ DNS caches are different from MacOS system’s DNS cache, this may solve your networking issues but to clear the DNS cache from your system, you need to try other methods.

If the previous methods didn’t work for you, you can try flushing the DNS cache on Mac by refreshing the DNS from the system.

Method 1: Configuring Custom DNS Servers for Mac

You can also use custom DNS Servers provided by web hosts for public use for DNS refresh in Mac. DNS Server that is allowed to you by your Internet Service Provider (ISP) through your router may be clogged by heavy traffic, so this is one potential method for MacOS refresh DNS:

method for MacOS refresh | Clear DNS Cache on Mac

Step 1:  Click the Apple icon, go to System Preferences > Network

Step 2:  Select the Network service where you want to reset your DNS service, for example, click "Wi-fi", and click "Advanced".

Step 3:  Click the “DNS” tab. You’ll see your IP address which is served by your router.

Step 4:  Now you need to add your DNS server by clicking the “+” button. For example, Google provides a DNS server with the following IP address 8.8.8.8 8.8.4.4

add your DNS server | Clear DNS Cache on Mac

Step 5:  Click “OK”

Now you can access the internet using Google’s DNS Server, or any custom DNS server. Remove the IP address using the “-” icon and add it again to start fresh.

While the process is starting, this will cause temporary service disruption and keep you offline. If you are removing and re-adding the IP addresses, it's important to take note of the addresses and save them to use them again later.

You may also avail of the CloudFlare custom resolver with the address “1.1.1.1”

After clicking the “+” button, type any of the following: 1.1.1.1 1.0.0.1

Usually, the further a server is located from your location, the more it impacts your network speed.

If flushing or refreshing the DNS cache didn’t work for you then you may try resetting the DNS settings in MacOS to start from scratch.

Method 1:  Resetting Network Settings for Wi-fi on Mac

Resetting network settings clear all your network-related information, such as saved Wi-Fi login credentials, paired devices and so on. If you want to know how to reset DNS settings by resetting Wi-Fi settings, follow these steps:

Step 1:  Click the Apple icon > Systems Settings

Step 2:  Click "Wi-Fi" from the sidebar with your Wi-Fi connection name, usually it's the topmost one.

Step 3:  Click the “-“ (minus) icon underneath the list of connections. This will remove your Wi-Fi settings entirely.

Step 4:  Click the “+” icon beside to re-add your Wi-Fi connection.

Method 2: Manually Clearing the DNS Cache from Finder

This is not completely full proof as sometimes you may still face network issues. Then it may be time for you to delete the configuration system files manually to reset Mac DNS.

Step 1:  Turn off your Wi-Fi

Step 2:  From the taskbar, click on Go > Go to Folder…

Step 3:  Type in the search bar “/Library/Preferences/SystemConfiguration/”, press return

SystemConfiguration | Clear DNS Cache on Mac

Step 4:  From the SystemConfiguration  folder, delete these five files (don’t forget to keep a backup):

  • com.apple.airport.preferences.plist
  • com.apple.network.identification.plist or com.apple.network.eapolclient/configuration.plist
  • com.apple.wifi.message-tracer.plist
  • NetworkInterfaces.plist
  • preferences.plist

Step 5:  Restart your Mac and turn on your Wi-Fi again. These files are recreated and as a result, Mac resets the DNS cache.

If you are looking for a simpler and easier way to flush the DNS cache in your Mac devices, Macube  is the app for you. Macube is one of the most reputed third-party software for MacOS used by 200,000+ users worldwide. Its simple and powerful functionalities make it one of the best cleaning apps for MacOS and MacOS X found on the market.

This software comes with all the functions to accurately discover all junk from the MacOS system directory, iTunes, browser data, mail attachments, and photos and clean those in one go. It also detects unused apps, large files, duplicate files and even duplicate image files which wouldn’t have been possible before without manual process. Which basically boosts your Mac device’s performance, optimizing your storage space and saving you time.

Free Download Free Download

If you are especially concerned about privacy and safety, it can easily and efficiently clear your browser history and private browsing history - making it truly an all-in-one software that saves you the hassle of buying multiple software. In this way, Macube can become the go-to software that you will end up using daily.

  • Eight different applications under one umbrella that can be operated in one click.
  • Maintain privacy and safety by deleting cookies, browsing history, downloads, private browsing data and potential malware.
  • Securely clear and manage old and large files and Mac extensions.
  • Accurately and automatically detect duplicate files and similar images and organize them categorically for optimum storage management.
  • Completely erase redundant data and undeletable applications without leaving any trace.
  • Guaranteed after-sales service with 24/7 support.

Using Macube to Clear Cache in 3 Steps:

Step 1:  Open the App and click “Smart Scan” from the sidebar.

Smart Scan 1 | Clear DNS Cache on Mac

Step 2: Press “Smart Scan”. Macube will begin analyzing and will present you with the results in a categorized format.

Smart Scan 2 | Clear DNS Cache on Mac

Step 3: Select the cache you want to delete and press “Clean”.

Smart Scan 3 | Clear DNS Cache on Mac

That’s it! The process depends on the size of your files, but on average it takes a couple of seconds for the process to complete.

FAQ: Flushing DNS Cache on Mac

Q: Is it safe to flush the DNS Cache?

Answer:  Yes, it's safe to flush DNS from time to time. If you run into trouble accessing sites or keep getting 404 errors, it is recommended that you run DNS cache flush.

Q: How often should I flush my DNS cache?

Answer:  It depends on your internet and computer usage. If you're heavily browsing the web, tend to go to a lot of different websites, and collect data from different external sources, you may be open to cache spoofing/ poisoning. Therefore, it's recommended to clear the DNS cache on Mac from time to time.

Q: Does DNS flushing make your internet speed faster?

Answer:  Not necessarily, as you are essentially clearing up your database and this information needs to be loaded up again. However, this ensures that your websites always load with up-to-date IP addresses and information, resulting in safe and fast loading the second time you access them. So, consider a MacOS flush of the DNS cache.

Conclusion:

Browsing the internet is a regular activity for people of all ages. To ensure the highest performance and utmost security, it is really important to keep in mind that one needs to flush their DNS cache at regular intervals. There are many ways to flush the DNS cache in the system which are not always reliable or easy, therefore it is recommended to use Macube software. It is fast, efficient, and highly user-friendly, and it assures that you can only use one software for any and all memory, storage and file management requirements. Get your 7-day free trial  and test out this amazing all-in-one Mac solution today.

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safari clear dns

As an internet user, you may have come across the term DNS cache. DNS cache is a temporary database on your computer that stores the IP addresses of websites you have recently visited. The purpose of DNS caching is to speed up the loading of web pages by reducing the time taken to resolve domain names to IP addresses. However, there are times when it may become necessary to clear the DNS cache. Below is a guide on how to clear the DNS cache in Chrome, Edge, Firefox, Safari, and Opera.

Google Chrome

  • Open Chrome and click the three-dotted menu icon located at the top right corner of the browser window.
  • Select “More Tools”, then “Clear Browsing Data”.
  • In the “Clear browsing data” window, select “Advanced”.
  • In the “Time range” drop-down menu, select “All time”.
  • Tick the box next to “Cached images and files” and any other items you wish to clear.
  • Click “Clear data” and wait for the process to complete.

Microsoft Edge

  • Open Edge and click the three-dotted menu icon located at the top right corner of the browser window.
  • Select “Settings” and then “Privacy, search, and services”.
  • Scroll down and click “Choose what to clear” under “Clear browsing data”.
  • Click “Clear now” and wait for the process to complete.

Mozilla Firefox

  • Open Firefox and click the three-bar menu icon located at the top right corner of the browser window.
  • Select “Options” from the drop-down menu.
  • In the left-hand panel, select “Privacy & Security”.
  • Scroll down to the “Cookies and Site Data” section and click “Clear Data”.
  • Tick the box next to “Cached Web Content” and any other items you wish to clear.
  • Click “Clear” and wait for the process to complete.

Apple Safari

  • Open Safari and click “Safari” on the menu bar.
  • Select “Preferences”.
  • Click “Advanced” and tick the box next to “Show Develop menu in menu bar”.
  • Click “Develop” on the menu bar and select “Empty Caches”.
  • Wait for the process to complete.
  • Open Opera and click the red “O” located at the top left corner of the browser window.
  • Select “History” from the drop-down menu.
  • Click “Clear browsing data” located at the left-hand side of the screen.
  • In the “Basic” tab, select “All time” from the “Time range” drop-down menu.

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How To Clear DNS Cache on Windows, Chrome, Firefox and Safari With 5 Easy Steps

  • February 27, 2024

The Domain Name System or commonly known as DNS plays an important role in browsing the internet. It is a part of the internet’s infrastructure that translates domain names into IP addresses. In simple terms, DNS serves as a phonebook for the internet. However, with time, a DNS cache builds up which may cause issues like slow page loading or “server not found” errors while browsing.

Therefore, it is necessary to clear this cache from time to time for proper functioning of your browser. To ease out your work, here is the complete guide on how to clear DNS cache on Windows, Chrome, Firefox and Safari.

Table of Contents

Clearing  DNS Cache on Windows 

Microsoft Windows is the most widely used operating system for professional as well as for personal use and has many versions. But irrespective of the Windows version, the process of clearing DNS cache is the same for all. Let’s see how we can flush the cache on Microsoft Windows .

Step 1: Click the Windows Start menu, type “Command Prompt” into the search bar, and click it.

safari clear dns

Step 2: Choose “Run as administrator” at this point. It will open the “Administrator: Command Prompt” window.

Step 3: Type “ipconfig/flushdns” into the command bar and hit the Enter key.

Step 4: A confirmation message stating that the DNS Cache has been cleared will be shown to you when the command has been successfully executed.

Step 5: To make sure the DNS cache has been fully cleared, restart your computer.

Easy Steps To Clear Dns Cache On Windows

Clearing DNS Cache on Chrome

The most popular web browser across the globe, Google Chrome, maintains its own DNS cache. Here are the steps on how to clear its DNS cache.

Step 1: Select the 3-dot menu icon in the top-right and select “Settings”.

Step 2: Click on “Privacy and Security” from the left sidebar and select the “Clear browsing data” tab.

Step 3: A window will appear showing the list of items which can be cleared. Change the time range to “All time” and check the boxes for the items to be flushed(as shown). 

Step 4: Click on “ Clear data” to remove all DNS cache from Google Chrome .

Step 5: Restart your Chrome browser for the changes to apply.

Easy Steps To Clear Dns Cache On  Chrome

Also Read  ➤ ➤   A Guide to Delta Exchange Futures Trading

Clearing DNS Cache on Firefox

Known for its enhanced security features, Mozilla Firefox also maintains its own DNS cache. You can follow these simple steps to clear it.

Step 1: Go to the three horizontal lines icon in the top right corner of the Firefox window. Click on it and select “Settings”.

Step 2: Select “Privacy & Security” and scroll down to “Cookies and Site Data”.

Step 3: Click on the “Clear Data” button. A small window will appear (as shown).

Step 4: Check the box besides “ Cached Web Content” and click on “Clear”. (You can also check the box for “Cookies and Site Data” if you want to clear that data too.)

Step 5: Restart the Firefox browser for the changes to apply.

safari clear dns

Clearing DNS Cache on Safari

Safari is the default web browser on macOS and iOS thereby greetings its own DNS cache. Follow the given steps to flush it.

Step 1: Open the Safari browser and select “Safari” in the top menu.

Step 2: Click on “Preferences” and go to the “Advanced” tab.

Step 3: Next we have to enable the Develop menu. For this, check “Show Develop menu in menu bar”.

Step 4: Click on “Develop” in the menu bar and select “Empty Caches”. 

Step 5: Close and reopen Safari to ensure that the DNS is cleared.

safari clear dns

DNS cache is necessary for quick domain resolves, but troublesome browsing might result from an oversized cache that contains out-of-date data. In order to resolve issues like slowly loading websites, connection difficulties, and being redirected to incorrect IP addresses , it is imperative to regularly clear DNS cache.

You can easily remove the DNS cache on your Windows or MacBook device by following these 5 easy steps. But remember that while your browser rebuilds its cache with new DNS information, clearing the DNS cache may momentarily slow down your surfing experience. Still, it’s a tiny price to pay for fixing annoying internet problems.

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Skyl DNS-cache til Windows, Chrome, Firefoxog Safari

Lawrence Williams

Der kan være problemer med din internet-browsing-oplevelse primært på grund af DNS-cachehukommelse. At tømme din DNS-cache er en gennemprøvet måde at løse problemer med langsomme browsing og forbedre din hjemmesides surfingydelse.

DNS-cachehukommelse gemmer din browserhistorik. Den gemmer alle de IP-adresser, som din enhed har søgt efter eller brugt.

Hvad er formålet med at rydde DNS-cachen?

For at opsummere, her er de væsentlige fordele ved at skylle DNS-flashhukommelsen:

  • Løs DNS-relaterede problemer

Datasikkerhed

Opdater dns-oplysninger, løs problemer med webstedsindlæsning, eliminering af dårlige forbindelser, forbedre netværkets ydeevne.

Lad os kort forklare disse punkter.

Løst DNS-relaterede problemer

Over tid akkumulerer DNS-cache-hukommelsen tidligere restfiler fra gennemsøgte websteder. Disse DNS-poster kan blive beskadiget, slowing nede din netværksforbindelse.

Du skal tømme DNS-cachen regelmæssigt, hvis mange mennesker får adgang til din computer. Denne tilgang er nødvendig for at sikre datasikkerhed. Medmindre du rydder cachen regelmæssigt, vil de, der får adgang til din enhed, finde ud af det websted, andre bruger, ved at besøge DNS-cachehukommelsen.

Åbn kommandopromptvinduet og indtast ipconfig /displaydns . Denne kode viser adresserne på hvert websted, du har besøgt.

Code to Display Addresses of Site

Der kan også være tilfælde, hvor denne cachehukommelse gemmer forkerte oplysninger eller en IP-adresse. Hvis sådanne oplysninger eller en upassende IP-adresse kolliderer med andre specifikke adresser, kan det kompromittere din internetbrowsers ydeevne.

Du har muligvis brug for hjælp til at åbne en hjemmeside. Ofte hæmmer gamle webstedsrester et websteds ydeevne og forhindrer, at bestemte websteder indlæses. For at løse problemer med webstedsindlæsning skal du tømme DNS-hukommelsescachen. Denne metode vil slette alle de tidligere webstedsrester, der er tilbage i cachehukommelsen.

Type ipconfig /flushdns inde i kommandoprompten for at rydde webstedsresterne fra DNS-cachen.

Code to Clear The Website Residues

DNS-hukommelsen kan have nogle forkerte og upassende indtastninger. Hvis du tømmer DNS-cachehukommelsen, slettes disse upassende poster, hvilket eliminerer de dårlige forbindelser og forbedrer netværkets sikkerhed.

Når den efterlades uden opsyn i lang tid, vil DNS-cache-hukommelsen blive fyldt med IP-adresser fra tidligere websteder, som du har gennemset. Som et resultat vil dit netværks ydeevne blive kompromitteret, slowing ned i flere tilfælde. Tømning af DNS-cachen vil slette disse gamle IP-adresser og give hukommelsen en frisk start til at begynde fra bunden. Der vil være en betydelig forbedring i din overordnede netværksydelse og internetforbindelsesproblemer.

Hvorfor DNS-cachen eksisterer

DNS-cache findes for at udjævne internetbrowsingsprocessen. En veladministreret DNS-cache lover en strømlinet søgning efter IP-adresser på specifikke domænenavne. Hvis det administreres korrekt, kan det resultere i:

  • Hurtigere DNS-opløsning
  • Reduceret netværkstrafik
  • Bedre belastningsfordeling
  • Offline adgang til hjemmesider

Vi vil diskutere, hvordan du tømmer/rydder dit systems DNS-skyllehukommelse her. Uanset hvilket operativsystem du bruger, er der måder at styre skylleprocessen på.

Metode 1: Sådan tømmes DNS-cache på Windows

Sådan rydder du dns-cache på windows via kommandoprompt.

Her er trinene til at tømme DNS-cache ved hjælp af Windows kommandoprompt.

Trin 1) Klik på START fra din Windows skærmbilledet.

Trin 2) Skriv CMD i søgefeltet.

Trin 3) Sørg for at køre Windows kommandoprompt med administratorrettigheder.

Trin 4) For at inkludere administratorrettigheder skal du højreklikke på kommandoprompten.

Trin 5) Et skiftevindue åbnes. Fra det vindue skal du vælge KØR SOM ADMINISTRATOR.

Trin 6) Når du har åbnet kommandoprompten, skal du bare skrive ipconfig /flushdns og tryk på ENTER-tasten*.

Trin 7) Du vil bemærke meddelelsen "DNS Resolver Cache blev tømt med succes".

*Bemærk venligst: Du skal inkludere et mellemrum efter ipconfig og fortsæt derefter med /flushdns at tømme DNS Windows 10.

Code to Flush DNS Windows 10

Sådan skylles DNS-cache igennem Windows PowerShell

Trin 1) Vælg indstillingen Start, og skriv derefter på det tomme felt PowerShell

Trin 2) En liste box vil åbne, og du vil bemærke Windows PowerShell opført øverst.

Trin 3) Du kan enten double-klik på det eller se på højre side af panelet og klik på åben.

Trin 4) Når PowerShell åbner, skal du skrive Clear-DnsClientCache og tryk ENTER.

Flush DNS Cache through Windows PowerShell

Trin 5) Når du har trykket på Enter, vil DNS-cachen blive slettet. Der vil dog ikke blive vist nogen sletningsbekræftelse på skærmen.

Trin 6) Hvis du vil se slettebekræftelsen, skal du bare skrive ipconfig /flushdns i PowerShell-vinduet.

Flush DNS Cache through Windows PowerShell

Metode 2: Sådan rydder du DNS-cache på Mac

Rydning af dns-cache via terminal, processen kort fortalt:.

Trin 1) Mac: > Finder > Programmer. [Gå ind]

Trin 2) Programmer>Hjælpeprogrammer>Launchpad>Terminal. [Gå ind]

Trin 3) Terminal> [Gå ind]

Trin 4) . [Gå ind]

Trin 5) # Folloenwing meddelelse vises: #

Processen i detaljer:

Når du vil tømme DNS Mac, skal du først have adgang til terminalen.

Terminalen er en kommandolinjegrænseflade, der leveres forudinstalleret i Mac OS. Ligesom kommandopromptkonsollen i Windows, Terminal er et lignende program i Mac-operativsystemet. Processen er enkel.

Du kan åbne Terminal-appen ved at starte Spotlight-søgningen. Øverst på skærmen skal du bevæge dig mod højre side, og du vil bemærke et ikon i forstørrelsesglasstil.

Clear DNS Cache on Mac

Klik inde i søgefeltet for at skrive "terminal.app" eller "terminal", og tryk på Enter. Du vil bemærke, at muligheden for at åbne terminalen vises. Klik på indstillingen, og terminalen åbnes:

Clear DNS Cache on Mac

Når terminalen åbner, skal du indtaste en bestemt kode i vinduet.

Inden du indtaster koden, skal du lære hvilken version af MacOS du bruger.

Hvordan finder jeg den version af Mac, der kører på din Apple-enhed?

APPLE-ikonet er placeret øverst til venstre på skærmen. Klik på ikonet for at åbne menuen. Derfra skal du klikke på OM DENNE MAC.

Skærmen viser Mac-versionsnavnet og versionsnummeret. Se nedenstående skærmbillede:

Version of Mac Running on your Apple device

Nedenfor er en liste over kommandostrenge til de seneste 5 versioner af Mac OS:

Når du har indtastet kommandostrengen i henhold til den version af Mac, du bruger, vil vinduet vise et mellemrum til at indtaste adgangskoden til dit system. Adgangskoden forbliver skjult, selv når du skriver. Indtast adgangskoden omhyggeligt for at undgå eventuelle tastefejl.

Når du har indtastet adgangskoden, skal du trykke på ENTER-tasten. Mac-rydde DNS-cache-processen viser aldrig nogen bekræftelsesmeddelelse efter afslutning. I stedet vil en terminalprompt blive vist.

Rydder DNS-cache igennem macOS Mojave og later

Processen ligner det, vi har diskuteret i ovenstående afsnit. Blandt de forskellige versioner af Mac OS, der er udgivet gennem årene, er 10.14-versionen kendt som macOS Mojave.

Når det er tid til at tømme din DNS-cache, skal Mojave-brugere følge disse trin:

Trin 1) Start> Programmer> Hjælpeprogrammer> Terminal.

Denne prompt åbner terminalvinduet. Du kan også trykke på kommando- og mellemrumstasterne fra tastaturet sammen.

Trin 2) I terminalvinduet skal du bare skrive sudo killall -HUP mDNSResponder

Trin 3) Når du har indtastet kommandostrengen, skal du trykke på RETURN-tasten.

Trin 4) Skærmen vil vise dig en prompt, der beder om ADMIN ADMINISTRATION.

Trin 5) Indtast ADMIN ADMINISTRATION PASSWORD og tryk på RETURN-tasten.

DNS-cachen ryddes fra din macOS Mojave system. Der vil dog ikke blive vist nogen meddelelse, der indikerer, at skylningen er ryddet.

Metode 3: Sådan tømmes DNS-cachen på Chrome

Næsten alle kender Chrome, den populære browser fra Google. Denne browser gemmer sin egen DNS-cache. Forveksle det aldrig med DNS-cachen, der er gemt i dit system OS.

Rydning af DNS-cachen på Chrome fra Windows OS

For at rydde din Google Chrome-browsers DNS-cache, her er folloenwing trin:

Trin 1) Start Google Chrome fra dit operativsystem. Du har muligvis et Chrome-ikon på skrivebordet. Eller gå til starten og skriv CHROME. Klik på ÅBN i det højre skiftevindue.

Clearing DNS Cache on Chrome from Windows

Trin 2) Når du har åbnet Chrome-browseren, skal du indtaste following Kommando på adresselinjen i browseren: chrome://net-internals/#dns

Clearing DNS Cache on Chrome from Windows

Trin 3) Klik på fanen RYD VÆRTCACHE.

Trin 4) Når der er klikket på det, vil det rydde DNS-cachehukommelsen fra Chrome-browseren.

Rydning af DNS-cachen på Chrome fra macOS

Processen er ret enkel. Her er trinene:

Trin 1) Du skal installere Google Chrome på din macOS til flush chrome dns cache.

Trin 2) Start browseren fra DOCK- eller APPLICATION-mappen efter installationen.

Clearing the DNS Cache on Chrome from macOS

Trin 3) I Chrome-browserens adresselinje skal du skrive: chrome://net-internals/#dns

Trin 4) Klik på knappen RYD VÆRTCACHE.

Trin 5) Selvom det ikke viser nogen meddelelse, vil Chromes DNS-cache blive renset.

Metode 4: Sådan tømmes DNS-cache på Firefox

Firefox er en populær browser fra Mozilla. Synes godt om andre browsere , gemmer den browsing-rester og site-scripts i cachehukommelsen. Rydder denne DNS-cache til Firefox er nødvendigt for at forbedre den overordnede browseroplevelse, som f.eks. websideindlæsningshastighed, browsersikkerhed osv.

Rydning af DNS-cache til Firefox fra Windows OS

Her er et trick til at rydde alt fra Firefox browser – cache, cookies, browserhistorik, alt sammen med et enkelt klik.

Trin 1) Firefox browser> Menu > Menupanel.

Trin 2) Menupanel> Historik> Ryd seneste historik.

Clearing DNS Cache on Firefox from Windows OS

Trin 3) Fra siden kan du vælge TIDSOMRÅDE for historikken, der skal renses. Åbn rullemenuen, og vælg det tidsinterval, som du vil tømme historikken for.

Trin 4) Du kan også vælge, hvad der skal slettes, og hvad der ikke skal. Du kan fravælge boxes for at beholde nogle af de tilgængelige muligheder.

Trin 5) Når valgene er udført, skal du klikke på fanen OK. De elementer, du har valgt, vil blive slettet fra historikken, og vinduet afsluttes.

Skyl DNS-cache til Firefox ved hjælp af Clear Data

Her er trinene til kun at rydde DNS-cachen fra Firefox:

Trin 1) Firefox> Menu > Indstillinger.

Trin 2) Indstillinger> Privatliv og sikkerhed.

Trin 3) Privatliv og sikkerhed> Cookies og webstedsdata.

Trin 4) Cookies og webstedsdata> Ryd data.

Flush DNS Cache on Firefox using Clear Data

Trin 5) Da det kun handler om at fjerne DNS-cachen, skal du tjekke det CACHEDDE WEBINDHOLD box.

Trin 6) Klik på fanen RYD. DNS-cachen vil blive tømt fra browseren.

Trin 7) Du kan nu lukke siden. Ændringerne vil automatisk finde sted.

Rydning af DNS-cache til Firefox fra macOS

Firefox vil kun køre videre macOS version 10.12 og højere.

Trin 1) Du kan åbne Firefox fra docken eller applikationsmappen.

Trin 2) Åbn Menu> Præferencer> Privatliv> Sikkerhed.

Trin 3) Et skiftevindue åbnes, når du klikker på sikkerhed.

Trin 4) Tjek box ved siden af ​​CACHET WEBINDHOLD.

Trin 5) Tryk på RYD NU.

DNS-cachen skylles ud af din Firefox browser in macOS.

Metode 5: Sådan tømmes Ryd DNS-cache på Safari

Safari, standard webbrowser for macOS, har en anden måde at rydde DNS-cachen på i Safari. At bestemme, hvor DNS-cache-rydningsindstillingen er, er udfordrende uden knowing indstillingerne.

Her er trinene til at finde og rydde DNS-cachen i Safari:

Trin 1) Safari> Menulinje.

Trin 2) Menulinje > Safari > Indstillinger.

Trin 3) Klik på Indstillinger for at åbne et vindue. Se billedet nedenfor:

Flush Clear DNS Cache on Safari

Trin 4) Tjek box ved siden af ​​VIS UDVIKLINGSMENU I MENUBAREN.

Trin 5) Nu kan du forlade vinduet.

Trin 6) Menulinje> Udvikl.

Trin 7) Når du har klikket på Udvikl-sektionen, åbnes et dropdown-vindue som dette:

Flush Clear DNS Cache on Safari

Trin 8) Du skal rulle ned til indstillingen, der læser Tomme caches og klikke på den.

Trin 9) DNS-cachen slettes fra din Safari-browser.

Ulemper ved korrupt DNS-cache

DNS-cachen kan føre til nogle alvorlige fejlfinding, hvis den bliver ødelagt.

  • Forkerte omdirigeringer : DNS-cacheforgiftning kan forårsage forkerte omdirigeringer for et websted. Din hjemmeside kan kontakte den forkerte IP-adresse , hvilket resulterer i, at links åbner nogle upassende websider.
  • Forringer browserens ydeevne : Det er nødvendigt at slette de forældede oplysninger, der er gemt i cachehukommelsen, for at forbedre browserens ydeevne. Tilstedeværelsen af ​​forældede oplysninger og korrupte restfiler kan forsinke browserens generelle ydeevne og øge indlæsningstiden for websider.
  • Forbindelsesproblemer : Gennemsyn af skadelige eller ubeskyttede websteder kan resultere i fejl, der ødelægger DNS-cachen. Sådanne fejl forhindrer ofte websteder i at åbne eller indlæse.
  • Svært ved at løse domænenavne : DNS-fejl sker, når domænenavnet ikke kan forbindes med IP-adressen. Du vil se en besked, der lyder eller

Start kommandoprompten fra Windows OS med administratorrettigheder, skriv ipconfig /flushdns , og tryk på ENTER.

Hvis du bruger en MacOS enhed, åbn Terminal og skriv som flush DNS-kommandoen. Når du har indtastet kommandoen, skal du trykke på Enter. Skærmen vil bede om administratoradgangskoden. Indtast adgangskoden, og tryk på Enter.

Der er ingen hård og hurtig regel for, hvor ofte du renser din DNS-cache. At skylle DNS-cachen en gang om et par uger sikrer bedre browserydeevne.

DNS-cachen tager omkring 15-20 minutter at blive fuldstændig renset.

Det er vigtigt at rense DNS-cachehukommelsen, da det forbedrer dit systems ydeevne. Hvis du forlader DNS-cachehukommelsen urenset for længe, ​​kan det føre til, at restfilerne i cachen ødelægges. Sådanne filer kan være sårbare og resultere i at forårsage sikkerhedsproblemer og hyppige browserfejl. Det er derfor, du skal tømme din DNS-hukommelse af og til for at forhindre browsing-forsinkelser og andre relaterede fejlfinding.

Rydning af cache-filer ved hjælp af den passende DNS-flush-kommando ind forskellige operativsystemer og browsere er simpelt nok. Bare følg de ovennævnte procedurer for at tømme DNS-cachen for en bedre ydeevne.

  • IP-adresseklasser
  • Routing Protocol Types: Statisk, Dynamisk, IP, CISCO
  • Adresseopløsningsprotokol: Hvad er ARP-header i netværk
  • VLAN Trunking Protocol: Hvad er VTP i netværk og fordele
  • STP – Spanning Tree Protocol forklaret
  • Hvad er IP-routing? Typer, routingtabel, protokoller, kommandoer
  • Layer 2 Switch vs Layer 3 Switch
  • Undernet: Hvad er undernetmaske?

IMAGES

  1. How to clear the DNS cache on your iPhone, iPad & Mac

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  2. How to Clear DNS Cache on Chrome, Firefox and Safari

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  3. How To Clear DNS Cache (Flush DNS) On Computers And Browsers

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  4. How to Clear DNS Cache in Chrome, Edge, Safari, Firefox, and Opera

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  5. Change DNS Settings & Speed Up Safari Browser

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  6. How to Clear DNS Cache: Step by Step Guide for All

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VIDEO

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COMMENTS

  1. How to Clear the DNS Cache in Chrome, Edge, Firefox, Safari, and ...

    Repeat the following steps to clear the Opera DNS cache: Press Ctrl + T to open a new tab in Opera. Input the opera://net-internals/#dns command in the URL bar and press the Enter key. The DNS page will launch. Click on the Clear host cache button to remove the DNS cache records.

  2. How to Clear DNS Cache on Chrome, Firefox and Safari

    On Safari, go to preferences. Click Command+, Go the Advanced section. Mark the option which says "Show Develop menu in menu bar". Now you should have a new Develop option in your menu bar. Go to Develop. Click on "Empty Caches" or simply do it with a shortcut: Option+Command+E. 4. Opera Clear DNS Cache.

  3. How to clear the DNS cache on your iPhone, iPad & Mac

    2) Type opera://net-internals/#dns in the address bar, then press Enter. 3) You'll be taken to the DNS section of Opera's internal settings page. Click the button labeled Clear host cache to flush the DNS cache. 4) Open a new tab, then type in the address opera://net-internals/#sockets and press Enter.

  4. network

    Since Safari had previously visited foo.dev, it kept requesting that page, although dig resolved foo.dev to localhost. It didn't help to clear Safari's web cache and flush the system's DNS cache: sudo dscacheutil -flushcache It was first after a reboot that Safari properly visited the localhost instance of foo.dev (vhost).

  5. How to Clear DNS Cache in Chrome, Edge, Firefox, Opera & Safari

    Here's how to clear the DNS cache in Edge: Open the Edge browser and type edge://net-internals/#dns into the address bar. On the Network Internals tool page, click on the Clear host cache button. Doing so will clear the DNS cache in Edge. Close the Network Internals tool page and restart Edge for the changes to take effect.

  6. How to Flush DNS Cache on Mac

    3. How do I clear DNS cache in Safari? Safari browser also keeps a DNS cache. When you restart the browser, it clears the cache automatically, but you can do the same manually without relaunching the app. In Safari, go to Safari > Settings in the menu bar. Click Advanced and then tick the Show features for web developers box to enable the ...

  7. Flush DNS Cache on Windows, Chrome, Firefox, and Safari

    Here are the steps to flush DNS Cache using Windows command prompt. Step 1) Click START from your Windows screen. Step 2) Type CMD in the search space. Step 3) Ensure you run the Windows command prompt with admin rights. Step 4) To include admin rights, right-click the command prompt. Step 5) A toggle window will open.

  8. How to clear your DNS cache in 5 minutes

    Microsoft Edge. Open Microsoft Edge and click on the three-dot menu at the top right and choose 'History'. Next choose 'Clear Browsing Data'. A new window will open. Use the "Time Range ...

  9. Clear DNS Cache on Chrome, Edge, Firefox, Opera, and Safari

    5. How to Clear DNS Cache on Safari. Clearing the DNS cache on Apple's Safari browser is a simple process that can help resolve certain issues with webpages loading properly. To clear DNS Cache on the Safari browser, follow these steps: Open your Safari browser and click on the Safari menu. Select the Preferences option from the drop-down list.

  10. Easy Steps to Clear DNS Cache on Windows, Chrome, Firefox, and Safari

    This page should show you DNS cache details and offers a button Clear DNS Cache, click on it to clear the browser's DNS cache. Safari. Safari has a hidden option to clear different caches, including DNS, from its menu bar. But first, you would need to enable Develop menu. To do that, go to Safari menu and then open Preferences.

  11. How to Clear DNS Cache in Chrome, Edge, Safari, Firefox, and Opera

    Once the Command Prompt opens, enter the following command: ipconfig /flushdns. 3. If the flushing is successful, you will see either see the "Windows IP configuration successfully flushed the DNS Resolver Cache" or "Successfully flushed the DNS Resolver Cache" message. 4. Restart your computer and you are good to go.

  12. How to Clear DNS Cache in Chrome, Edge, Safari, Firefox, and Opera

    How to Clear DNS Cache in Safari. Safari is the default web browser for Apple devices, and it also has a feature that allows users to clear their DNS cache. Here is how to do it: 1. Open Safari on your Mac and click on Safari in the top left menu bar. 2.

  13. How to Flush DNS on Mac

    Flushing the DNS cache prevents network security threats, malicious attacks, and DNS cache poisoning from happening. Hackers can access and corrupt your saved DNS cache records. For example, they could manipulate and change the IP address associated with a Domain Name of a website you have already visited and map it to a malicious one.

  14. How to flush your DNS cache on Mac

    Launch Spotlight (command + spacebar) → type and choose Terminal. Paste the command below in the terminal. Press the return key. Enter your password. Hit return. The password will not be seen in the terminal for security reasons. Even though nothing will appear on the command prompt screen, your DNS cache will be flushed as soon as you press ...

  15. Flush DNS: What is it & How to do it (Windows, Mac, Linux)?

    Comprehensive Guide to flush DNS cache in Windows, MAC, Linux and major browsers like Google Chrome, Safari, Internet Explorer and Firefox. ... Clear Browser Cache for Safari. For Safari browser users, follow the steps given below: 1. On your MAC machine, open Safari browser and go to the "develop" tab located at the top of the menu. ...

  16. How to clear the DNS Cache?

    Steps to clear the DNS Cache. Internet Explorer 8 and above (Windows) Go to the History menu, select Delete Browsing History, check all boxes (except passwords, if desired) and click Delete. Mozilla Firefox (Windows) Click on Firefox at the top left of your browser, go to the History menu, select Clear Recent History and check all boxes.

  17. How to clear DNS cache on iPhone and iPad

    With over 3 years of experience, his writing style is direct, concise, and flows effortlessly, making him a reliable and engaging companion on your Apple journey. To Clear a DNS cache on iPhone do: 1. Airplane Mode 2. Resetting network settings 3. Clear browser cache 4. Reboot your iPhone.

  18. Complete Guide: How to Clear DNS Cache on Mac?

    Click on it and Safari will flush its DNS cache. In Chrome: Step 1: Go to your browser's address bar and type the following: chrome://net-internals . It'll navigate to the internal settings tab. Click on the DNS tab. Step 2: Press the "Clear host cache" button. Chrome will flush its own DNS cache.

  19. How to Clear DNS Cache in Safari, Firefox, Chrome, Edge, and Opera?

    The impact of DNS cache is significant: it speeds up your browsing experience by storing the IP addresses of websites you've visited before. Yet, it can cause issues when the stored data becomes outdated or corrupt. Now, that's where Safari troubleshooting techniques come into play. To clear your DNS cache in Safari, follow these precise steps:

  20. How to Clear the DNS Cache in Chrome, Edge, Firefox, Safari, and Opera

    Open Opera and click the red "O" located at the top left corner of the browser window. Select "History" from the drop-down menu. Click "Clear browsing data" located at the left-hand side of the screen. In the "Basic" tab, select "All time" from the "Time range" drop-down menu. Tick the box next to "Cached images and ...

  21. Make Safari faster, more secure with OpenDNS & Google Public DNS

    Select the connection for which you want to configure Google Public DNS or OpenDNS. To modify the settings for an Ethernet connection, select Built-In Ethernet, and click Advanced. To change the settings for a wireless connection, select Airport, and click Advanced. Select the DNS tab. For OpenDNS, in the DNS Servers, click "+" and then ...

  22. How To Clear DNS Cache on Windows, Chrome, Firefox and Safari With 5

    Clearing DNS Cache on Safari. Safari is the default web browser on macOS and iOS thereby greetings its own DNS cache. Follow the given steps to flush it. Step 1: Open the Safari browser and select "Safari" in the top menu. Step 2: Click on "Preferences" and go to the "Advanced" tab. Step 3: Next we have to enable the Develop menu.

  23. Flush DNS Cache on Windows, Chrome, Firefoxog Safari

    Method 5: How to Flush Clear DNS Cache on Safari. Safari, the default web browser of macOS, has a different way to clear the DNS cache on Safari. Determining where the DNS cache clear option is is challenging without knowing indstillingerne. Here are the steps to locate and clear the DNS cache in Safari: Trin 1) Safari> Menu Bar.