Flush It! Mac OS

Flush DNS Cache. Modern browsers, OS, and DNS clients store cache of IP addresses and other DNS information automatically. When a computer visits a website for the first time, it stores the website's DNS information in the cache, and on the next visit of the same website, it looks in the cache to see if the web site's information is present to use. This wikiHow teaches you how to clear the cache of temporary system files that your Mac stores as you use it, as well as how to clear the Safari browser's cache of temporary Internet files. Keep in mind that clearing the system cache can cause your Mac to freeze or crash unexpectedly; this is a normal response to clearing the cache. How to Flush DNS Cache in Mac OS X Whether you're a systems administrator or a web developer, or anything in between, chances are you'll have to flush. Learn how to flush DNS cache on Mac, Windows, Linux, and Chrome with this in-depth tutorial! 🧹🖥 Click to Tweet Summary The prospect of clearing your DNS cache may sound daunting, especially if you're new to troubleshooting internet connectivity or other website issues. Here are the steps flush DNS cache mac – From the top navigation bar on your MAC machine click Utilities under Go Open the Terminal (which is the Command Prompt equivalent of Windows OS) Execute the following command to clear the DNS Cache from your machine.

Are you facing trouble while opening a website in macOS Catalina? DNS or Domain Name System resolves website names from IP addresses. If your browser is unable to load the website then the most obvious problem is the DNS error.

If you are facing this problem in macOS Catalina, then we have the solution for you. Reset and flush DNS cache will solve this error and it loads the websites properly. Also, clearing the cache will speed the website loading speeds faster in all OS's including macOS Catalina.

How to Flush or Clear DNS Cache in macOS Catalina

There are several steps involved in flush DNS Cache in macOS Catalina which are very easy to follow. All you need to open Terminal on your mac to run a few commands.

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

For the older macOS versions, follow the below steps.

2. macOS Mojave

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

3. macOS High Sierra

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

4. macOS Sierra

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

5. macOS El Capitan

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

Flush It Mac Os Download

6. macOS Yosemite

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo discoveryutil udnsflushcaches
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

7. macOS Mavericks

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

8. macOS Mountain Lion

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

9. macOS Lion

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo killall -HUP mDNSResponder
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

Flush It Mac Os Pro

10. macOS Snow Leopard and older versions

1. Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
2. Now type the below command in Terminal and hit the enter button.
   sudo lookupd -flushcache
3. If you are using a password for authorization, then you need to enter the macOS password to execute the command.
4. After, close the command.

That's it. Once you follow the above steps you will clear DNS cache in Mac. Now restart your browser and enjoy the error-free browsing experience.