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Explain how flush dns on windows, Mac OS X, Linux.

Flush DNS on windows :

$C:>ipconfig /flushdns

Flush DNS on Mac OS X :

10.11 - 10.12

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder


sudo discoveryutil mdnsflushcache
sudo discoveryutil udnsflushcaches


sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

10.7 - 10.8

sudo killall -HUP mDNSResponder

10.5 - 10.6

$dscacheutil -flushcache


$lookupd -flushcache

Flush DNS on Linux : In Linux, the nscd daemon manages the DNS cache. To flush the DNS cache, restart the nscd daemon. To restart the nscd daemon, use the command `/etc/init.d/nscd restart`

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how_to_flush_dns.txt · Last modified: 2017/03/13 11:10 (external edit)