如何清除DNS緩存

Windows

ipconfig /flushdns

MacOS

MacOS >= 10.10.4
sudo killall -HUP mDNSResponder

MacOS 10.10.1, 10.10.2, and 10.10.3
sudo discoveryutil mdnsflushcache

MacOS 10.7, 10.8, and 10.9
sudo killall -HUP mDNSResponder

MacOS 10.5 and 10.6
sudo dscacheutil -flushcache