try it 2 ways.
http://www. and
http://
I'll bet you need to change what's called your Host File. I've had to to do that a number of times for various reasons that I don't quite understand.
Here, I found this.
http://www.brighthub.com/computing/s...les/56992.aspx
Open NotePad: Once Notepad launches, select File, then Open. Navigate to the hosts file path (typically at c:\windows\system32\drivers\etc), then select the hosts file. Make your changes, then save your changes. After you save your changes, you may close Notepad. Changes you make take effect immediately.
your then going to put in a web address and an ip
www.mysite.com 64.101.11.101
into that host file.