How to Flush your DNS Cache on macOS Big Sur

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3 years ago

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To clear the DNS cache on macOS Big Sur, you can open up the "Terminal" app and run the command below.

run sudo killall -HUP mDNSResponder

Other commands for other macOS versions.

In macOS El Capitan or newer
- ```
sudo killall -HUP mDNSResponder
```
For macOS Yosemite
- ```
sudo discoveryutil udnsflushcaches
```
In macOS Lion, Mountain Lion, and Mavericks
- ```
sudo killall -HUP mDNSResponder
```
In macOS Snow Leopard
- ```
sudo dscacheutil –flushcache
```
For macOS Leopard
- ```
run sudo lookupd –flushcache
```
And in macOS Tiger
- ```
lookupd –flushcache
```

Alaz

Week-end developer currently experimenting with web, mobile, and all things programming.

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