Published - 2 years ago ( Updated - 2 years ago )
Instructions on how to clear the DNS cache of various versions of MacOS
macOS 10.15 (Catalina) and later:
sudo dscacheutil - flushcache; sudo killall -HUP mDNSRespondermacOS 10.12 (Sierra), 10.13 (High Sierra), and 10.14 (Mojave):
sudo killall -HUP mDNSResponderOS X 10.11 (El Capitan):
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponderOS X 10.10 (Yosemite):
For versions 10.10.4+, use:
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponderFor versions 10.10.1, 10.10.2, and 10.10.3, use:
sudo discoveryutil mdnsflushcache; sudo discoveryutil udnsflushcacheOS X 10.9 (Mavericks):
dscacheutil - flushcache; sudo killall -HUP mDNSResponderMac OS X 10.7 (Lion) and 10.8 (Mountain Lion):
sudo killall -HUP mDNSResponderMac OS X 10.5 (Leopard) and 10.6 (Snow Leopard):
sudo dscacheutil -flushcacheMac OS X 10.4 (Tiger):
lookupd -flushcache
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