DNS FLush Cache for OS X, Linux, and Windows
~ 1 min read. Published 15 Mar 2015OSX 10.10
sudo discoveryutil udnsflushcaches
OSX 10.9
dscacheutil -flushcache; sudo killall -HUP mDNSResponder
OSX 10.7 – 10.8
sudo killall -HUP mDNSResponder
OSX 10.5 – 10.6
sudo dscacheutil -flushcache
Windows
ipconfig /flushdns
Linux (depending on what you’re running for DNS resolver)
/etc/init.d/named restart
/etc/init.d/nscd restart