How to clear your DNS resolver cache

If your IP has changed due to a domain transfer or if you have been moved to a new server, you may see content as it was on the previous server.

This type of caching is likely to be related to DNS caching on your PC and can be cleared by following the steps listed below:

Windows 2000/XP/Vista/7:

  1. Click on ‘Start’, ‘Run’ and type in ‘cmd’.
  2. In the command prompt type in:

    ipconfig /flushdns

  3. Reboot your computer for the changes to take effect

On Mac OS X 10.1 – 10.4

  1. Open /Applications/Utilities/Terminal.app
  2. Run the following command:

    sudo lookupd -flushcache

  3. Reboot your computer for the changes to take effect.

On Mac OS X “Leopard” 10.5+

  1. Open /Applications/Utilities/Terminal.app
  2. Run the following command:

    sudo dscacheutil -flushcache

  3. Reboot your computer for the changes to take effect

Linux

  1. Restart the nscd daemon with the command:

    /etc/init.d/nscd restart

  2. Reboot your computer for the changes to take effect

Further info: How to flush DNS cache in Linux

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