How do I flush my DNS cache?

Windows

Go to Start > Run

Type "cmd" and hit enter

Type "ipconfig /flushdns" and hit enter


Mac

Open the Terminal application. This is normally at Mac HD > Applications > Utilities

For Lion and newer:

Type "sudo killall -HUP mDNSResponder" and hit enter. It will ask for your password.

For Leopard or Snow Leopard:

Type "dscacheutil -flushdns" and hit enter

Before Leopard:

Type "lookupd -flushcache" and hit enter


Linux

Restart the nscd daemon by typing "/etc/init.d/nscd restart" and hitting enter

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