How to flush your DNS cache in Mac OS X
March 21st, 2008 - Mac OS X, Tips & Tricks, Command Line, How to
If you’re a systems administrator or a web developer, chances are you’ll have to flush your DNS cache every once in a while to get things straightened out serverside. Flushing your DNS cache in Mac OS X is actually really easy, and there are two different commands to use, one for Leopard and for Tiger. Depending on your version of OS X, open your Terminal and follow the appropriate directions below:
Flush your DNS Cache in Mac OS X 10.5 Leopard
Launch Terminal and issue the following command:
dscacheutil -flushcache
All done, your DNS has been flushed. On a side note, the dscacheutil is interesting in general and worth taking a look at, try the -statistics flag instead for some stats.
Flush your DNS Cache in Mac OS X 10.4 Tiger
Type the following command in the Terminal:
lookupd -flushcache
That’s it, that’s all there is to it. Now your DNS settings should be as you intended them to be.
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Time: March 22, 2008, 7:01 am
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Comment from Editor
Time: March 26, 2008, 9:50 pm
Ueful
Comment from Colon
Time: March 30, 2008, 1:45 pm
Thanks for the great tips… I have been having trouble with my DNS settings. I flushed my DNS cache, and now things are how I like them… thanks again
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