I think it's, perhaps, a faulty assumption, but a correct expectation, and ISPs that issue redirection for unresolvable domains have in fact misconfigured their

I think it's, perhaps, a faulty assumption, but a correct expectation, and ISPs that issue redirection for unresolvable domains have in fact misconfigured their DNS servers. EDIT: Also, Comcast shut down their Domain Helper as it is fundamentally incompatible with DNSSEC http://corporate.comcast.com/comcast-voices/comcast-domain-helper-shuts-down http://corporate.comcast.com/comcast-voices/comcast-domain-h...