Clear DNS cache in Linux/macOS & Win

How to clear the local DNS cache:

macOS Sierra 10.12.0

sudo dscacheutil -flushcache ; sudo killall -HUP mDNSResponder ; say cache flushed

OSX 10.11.0

sudo killall -HUP mDNSResponder

OSX 10.10.4

sudo killall -HUP mDNSResponder

OSX 10.10.0 – 10.10.3

sudo discoveryutil mdnsflushcache

OSX 10.9  – 10.8 – 10.7

sudo killall -HUP mDNSResponder

OSX 10.5 – 10.6

sudo dscacheutil -flushcache

Windows

ipconfig /flushdns

Linux (depending on what you’re running)

/etc/init.d/named restart
/etc/init.d/nscd restart

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