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How to flush DNS cache on Mac OS X

Last updated by Sam K on June 02, 2020 18:53

How to flush DNS cache on Mac OS X

1-Let's clear the old DNS cache. Open Terminal from the dock or from /Applications/Utilities/ or with Spotlight.

7 simple ways to open Terminal on Mac

2- In the terminal type in dscacheutil -flushcache and then press enter. This will clear the old DNS cache.

Check other commands below:

* OSX 10.5 – 10.6
sudo dscacheutil -flushcache
* OSX 10.9  – 10.8 – 10.7
sudo killall -HUP mDNSResponder
* OSX 10.10.0 – 10.10.3
sudo discoveryutil mdnsflushcache
* OSX 10.10.4
sudo killall -HUP mDNSResponder
* OSX 10.11.0
sudo killall -HUP mDNSResponder
* macOS Sierra 10.12.0
sudo killall -HUP mDNSResponder

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