How To Flush DNS Cache

Basic command for DBA to flush DNS cache.

To flush DNS cache in Microsoft Windows :

C:>ipconfig /flushdns

To flush the DNS cache in Linux:

# /etc/rc.d/init.d/nscd restart

To flush the DNS cache in Mac OS X Leopard:

$ lookupd -flushcache

To flush the DNS cache in Mac OS X:

$ dscacheutil -flushcache

Certainly rebooting your computer always works.