SharePoint Foundation 2010 site down

I have a SharePoint Foundation 2010 SP1 site running on Server 2008, using SQL 2008 R2 for the db. Today it will not come up, altho a subsite, on a different port does work if I open it from within Central Admin, or my desktop if I user http://servername:8001 to get to it. No patches installed last night so that is not the issue.

Not sure what to look for to fix this, I am not real familiar with SharePoint or websites.
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Did you make sure it is running in IIS?  Select the site and make sure that it is started.

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LarryDAHAuthor Commented:
IIS is running checked that, but while I was in my admin snapins I checked my DNS records, since I noticed I could get to the one subsite using the name of the server and port, but not the primary server by its CNAME, and that is when I found that the CNAME had been deleted during a cleanup of old records. As soon as I created a new name the site was back.
Jayaraja JayaramanSharepoint Architect ConsultantCommented:
when you say you dont get it. does it show page not found or waht kinda error do you see ?
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