You can flush/clear your DNS cache as per the following:
1) For Windows
– Start -> Run -> type cmd
– in command prompt, type ipconfig /flushdns
– Done! You Window DNS cache has just been flush.
– in command prompt, type ipconfig /flushdns
– Done! You Window DNS cache has just been flush.
2) For Linux
– 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.
– Once you run the command your linux DNS cache will flush.
3) For Mac OS X
– 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