How to reset dns servers mac

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But if the DNS servers you're using are slow or unavailable, websites will load slowly or won't load at all.

How to Change DNS Server Settings in Mac OS X

In this tutorial, we'll show you everything you need to know about DNS to speed up surfing and ward off potential problems. To understand how DNS works, you need some background information. Every website connected to the Internet is assigned something called an IP address , which is a little like a home or apartment's street address. Just like a friend could find your house if she had your address, your computer can load a website if you type its IP address in to a web browser.

The problem is that IP addresses can be difficult to find and remember. DNS was created to map memorable domain names, like cnn. DNS is essentially a directory of all the websites in the world.

How to Reset DNS Cache in MacOS High Sierra

Imagine a giant phonebook with the IP addresses for all of the websites on the Internet. That's DNS.

  1. How to Clear & Reset DNS Cache in MacOS Sierra.
  2. Clear Your DNS Cache on Your Mac.
  3. DNS server configuration – Mac OS.
  4. How to Flush DNS Cache in macOS, El Capitan, or Yosemite.
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Every Internet service provider operates their own DNS servers. That's not a problem unless the service provider's DNS servers become unavailable.

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At that point, your Mac won't be able to load any websites. Fortunately, there are other companies out there that offer free DNS servers that you can use with your Mac. Many of these services are faster, and some companies have never experienced a service interruption.

Your DNS is all clear and everything should be back to normal. Or you can try one or more of the following methods. Both versions use the mDNSResponder.

For OS X Yosemite versions So, for the 3. Note that resetting and flushing DNS cache will likely interrupt any active internet activity or usage. You may need to quit and relaunch certain internet connected applications for the changes to take effect, though most web browsers can suffice with a simple refresh. Enjoy this tip? Subscribe to the OSXDaily newsletter to get more of our great Apple tips, tricks, and important news delivered to your inbox!

How to Reset DNS Cache in macOS High Sierra

Enter your email address below:. The command as written will reset the DNS cache in High Sierra, and when it is complete the command will report back when the DNS cache reset was successful. Why the ridiculous sleep then a say command. I wanted to know how to clear my DNS cache, not perform some stupid party trick. Thankyou so much! This was my third attempt at finding a script that would work in High Sierra.

I was actually appreciative of the voice result.


In previous versions of this type of code, apparently there was no visible success line. So I knew it had worked here. We seem to be living within a Culture of Complaint…. Again, many thanks!

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