How to DNS cache on Windows or macOS?

Almost all operating systems cache DNS records to improve the performance of applications and speed up internet access. Browsers do cache DNS records too and to flush these the easiest way is just to close the browser and start ti again. But sometimes there is a need to flush operating system DNS cache. Here’s how you can do that easily.

How to flush DNS cache on Windows XP / Windows Vista?

  • Step 1: Open the Command Prompt
    • Click on the Start Menu and click Run. Type in cmd and hit Enter.
  • Step 2: Flush DNS
    • Type ipconfig /flushdns and hit Enter.

 

How to flush DNS cache on Windows Vista or Windows 7?

  • Step 1: Open the Command Prompt
    • Click on the Start Menu and type cmd in the search bar and hit Enter.
  • Step 2: Flush DNS
    • Type ipconfig /flushdns and hit Enter.

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Tags: LNFN, sudo killall mdnsresponder