WINS ? ? ?

Hi all,
I need help on this one, I happen to have a web server at www.dtmegasoft.com it works just fine as it is there is only one think that is bugging me, when I type the address into my web browser it goes right to the server but shows up the IP address instead of the actual www name. is that a WINS problem or I am missing something at the web site configuration control pannel?