[pedigree]

Originally Posted by kyle1745

Errors still occurring even after the DNS update.
Users attempted to register receive this:
"Registration denied. We check new registrations against a database of known forum spammers. At this time, we are unable to contact this database to verify your registration. We are sorry for the inconvenience but please do try again later."

Maybe your servers dns server is caching a nxdomain result. try this

<?php
var_dump(@gethostbyname ('www.stopforumspam.com'));
?>

Upload that to your server and post back what results it gives