Question : Website name

I have created Windows 2003 domain name (geek.com) and DNS on same machines in VMware environment.

and also installed IIS and created website on it.

Now problem is i want website as name www.geekonline.com

I'm able to open website when I type
http://geek.com
http://www.geek.com
http://geek

But i want it should open when i type www.geekonline.com in address bar

Answer : Website name

on your DNS can you create a new forward lookup zone called geekonline.com
and then create an A record for just WWW and point it to the IP address.