The various commands to flush the DNS cache on macOS, Linux, or Windows.
macOS
OS X 10.9 Mavericks to macOS 13 Ventura
Flush the DNS cache then reload DNS, in a one-liner:
dscacheutil -flushcache; sudo killall -HUP mDNSResponder
Mac OS X 10.7 Lion and OS X 10.8 Mountain Lion
sudo killall -HUP mDNSResponder
Mac OS X 10.5 Leopard and 10.6 Snow Leopard
sudo dscacheutil -flushcache
Mac OS X 10.4 Tiger
sudo lookupd -flushcache
Linux
Linux distributions using systemd
systemd-resolve --flush-caches
Windows
Windows 10 and Windows 11
ipconfig /flushdns
