Question

How to flush DNS cache in Windows / Linux / Mac ?

Answer 1

To flush DNS cache in Microsoft Windows (Win XP, Win ME, Win 2000):-

    - Start -> Run -> type cmd
    - in command prompt, type ipconfig /flushdns
    - Done! You Window DNS cache has just been flush.

To flush the DNS cache in Linux, restart the nscd daemon:-

    - To restart the nscd daemon, type /etc/rc.d/init.d/nscd restart in your terminal
    - Once you run the command your linux DNS cache will flush.

To flush the DNS cache in Mac OS X Leopard:-

    - type lookupd -flushcache in your terminal to flush the DNS resolver cache.
    ex: bash-2.05a$ lookupd -flushcache
    - Once you run the command your DNS cache (in Mac OS X) will flush.

To flush the DNS cache in Mac OS X:-

    - type dscacheutil -flushcache in your terminal to flush the DNS resolver cache.
    ex: bash-2.05a$ dscacheutil -flushcache
    - Once you run the command your DNS cache (in Mac OS X Leopard) will flush.