Microsoft Windows

1. Got to the Windows Start Menu and click on “Run” or press Windows Key+R.
2. In the input field type without quotes “cmd” and click on the “Ok” button. If your are running Microsoft Windows ’95/’98/ME replace “cmd” with “command”.
3. Now at the command prompt type without quotes “ipconfig /flushdns” and the press the “Enter” key. You will then receive a success message.
4. Close command prompt by typing without quotes “exit” or clicking on the “x” at the top right of the window.

Mac OS X

1. Open the “Terminal”.
2. Type in the “Terminal” without quotes “dscacheutil -flushcache” and press “Enter”. If you are running Mac OS X older then 10.5 you must type without quotes “lookup -flushcache”.