Had this request from another consultant this week so thought I would pass along the issue and the KB article for anyone who may happen to stumble across this in their favorite search engine. "I have a client running SBS 2003 and all of a sudden they can't get to the Customer Login Page of Postini. They can go anywhere else. All workstations point to the server for their DNS but if I add an ISP dns as a second they can get to the site just fine. I have rebooted the server and the other standard things to flush dns to no … Continue reading DNS not resolving for a particular domain on your SBS box?