Flush DNS on my Computer

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Flush DNS on my Computer



Most operating systems and DNS clients will automatically cache IP Addresses and other DNS results, in order to speed up the site loading times. When a DNS record is changed old DNS record will be cached and therefore need to be cleared from the cache in order for you to communicate with the server correctly. The following steps will allow you to flush the DNS for your respective operating system:


Windows

  1. Click the start button and navigate to the command prompt (Start > All Programs > Accessories > Command Prompt)
  2. Make sure that you right click on the command prompt application and choose 'Run as Administrator'
  3. Type in the command ipconfig /flushdns


Mac
Mountain Lion or Lion
If you are running Mac OS X 10.7 or 10.8, you need to do the following:

  1. Open up the command terminal.
  2. Run the command sudo killall -HUP mDNSResponder
Snow Leopard
If you are running Mac OS X 10.6, you need to do the following:

  1. Open up a command terminal.
  2. Run the command dscacheutil -flushcache
Leopard and below
If you are running Mac OS X 10.5.1 or below, you need to do the following:

  1. Open a command terminal.
  2. Run the command lookupd -flushcache




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