Mac 刷新 DNS 缓存

OS X Yosemite and later

Use the following Terminal command to reset the DNS cache in OS X v10.10.4 or later:

sudo killall -HUP mDNSResponder

Use the following Terminal command to reset the DNS cache in OS X v10.10 through v10.10.3:

sudo discoveryutil mdnsflushcache

OS X Mavericks, Mountain Lion, and Lion

Use the following Terminal command to reset the DNS cache in OS X v10.9.5 and earlier:

sudo killall -HUP mDNSResponder

Mac OS X Snow Leopard

Use the following Terminal command to reset the DNS cache in OS X v10.6 through v10.6.8:

sudo dscacheutil -flushcache

相关链接

Reset the DNS cache in OS X