>> You need to do this the other way around. The domain name needs
>>to resolve to the IP address (among other things), and "www" can be a
>>CNAME alias pointing to the domain name. That will work.

: Thx, Brad. Would this mean, do I have to make any change on my webserver.
I am assuming this should work below. Thx

Mydomainname IN A IP ADDRESS
www IN CNAME Mydomainname