How to flush your DNS cache depends on what OS (Operating System) your local machine is running. There are instructions below on how to flush your DNS cache for various operating systems.

Windows XP:

1.) Start -> Run

2.) enter in "command" (no quotes)

3.) In the new window that pops up, enter "ipconfig /flushdns" (no quotes)

Windows Vista/Windows 7:

1.) Click Start button.

2.) In the search box at the bottom of the menu, type "cmd" without the quotes.

3.) Hit the Enter button.

4.) In the new window that pops up, enter "ipconfig /flushdns" (no quotes)

Mac:

1.) From your hard-drive, open the Applications folder, and click to open the Utilities folder.

2.) Double-click Terminal.

3.) OSX Leopard: Enter "dscacheutil -flushcache" (no quotes)
OSX versions 10.5.1 and before: Enter "lookupd -flushcache" (no quotes)

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