Question : DNS error 5504 just on 1 domain

Gentlemen, I keep getting this error when i try to go to 1 domain. The system works fine I can go everywher on the internet but shaw.ca or webmail.shaw.ca which is also the mail hosting so no mail neither.

NSlookup work fine but appends .local at the ens of every query?

The DNS server encountered an invalid domain name in a packet from 64.59.135.214. The packet will be rejected. The event data contains the DNS packet.

I have tried everything that I know but to no avail.
Why only 1 domain is affected.

Any help would be greatly appreciated.

Answer : DNS error 5504 just on 1 domain

What forwarders are you using on the 2008 DNS?  Try changing to 4.2.2.5 and 4.2.2.2.  I get to www.telus.net, www.shaw.ca, and webmail.shaw.ca fine using those forwarders on my 2008 SBS server.