How to flush your local DNS cache

There may be some scenarios where you will need to flush your local DNS cache .Close all your active programs that need to access the internet like Internet Explorer and Outlook and simply follow the steps below.

Windows XP

  • Open a DOS prompt (Start > Run > CMD)
  • At the command line prompt type IPCONFIG /FLUSHDNS (note the space between the IPCONFIG and the / )
  • You should get back a response , Successfully flushed the DNS Resolver Cache.

Windows Vista ©/ Windows 7

  • Open a DOS prompt (Start > Search Programs and Files and enter CMD)
  • At the command line prompt type IPCONFIG /FLUSHDNS (note the space between the IPCONFIG and the / )
  • You should get back a response , Successfully flushed the DNS Resolver Cache.

MacOS

  • Go to Applications.
  • Go to Utilities.
  • Open the Terminal application.
  • Type: dscacheutil -flushcache
  • Press Enter or Return, and your cache will be flushed.
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