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Flush DNS Cache

Every website such as google.com has an underlying server address called the IP address. To load your websites faster, Mac OS X stores the IP address for websites in the DNS cache.

You may want to empty that DNS cache for a number of reasons:

To flush the DNS cache:

  1. Choose Network > Flush DNS Cache.

Tip: if you want to empty your DNS cache for privacy reasons, you may also want to empty your browser cache and browser history.

See also

Network Tasks