dyndns iis and win7

I have a dyndns account and use port forwarding on my router to map the port for remote desktop to my vm at home.  This works well.  I am trying to setup a small webserver.  It works on the home network.  I added forwarding of port 80 and added web services to the firewall.  I can ping the address in a command prompt, but when I try with a browser, I get no response.  It just spins.
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Miguel Angel Perez MuñozCommented:
Check on Windows firewall rules because may be blocked from external sites.
Sometimes dyndns not refresh IP address (cached by DNS per example), check that IP get from dyndns is really assigned by your ISP.

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jackjohnson44Author Commented:
I can get to the computer using remote desktop pointing to the dns entry, so I know that is working.  I can also successfully ping it.  I added http web services to the firewall.  Is there a more specific way to do this?
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