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Inactive: Error_CannotResolveHostName

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Inactive: Error_CannotResolveHostName

Hi, I'm unable to access https://seothatworks.com.  When trying to test connectivity to it directly from the modem, I receive "

Inactive: Error_CannotResolveHostName".  The issue is clearly with Comcast.  Could it possibly be a matter of missing resource records?
Gold Problem Solver

Re: Inactive: Error_CannotResolveHostName

This GoDaddy registered site has DNSSEC configuration errors and won't be accessible using Comcast's or any other DNSSEC DNS until the site's admins correct the errors or the DNSSEC admins make an exception for it. See http://dnsviz.net/d/seothatworks.com/dnssec/