Disconnecting from Comodo's server

I tried to post this in the board that made the most sense to post it but it won’t let me.

When I installed Comodo it asked if I wanted to use its free DNS service and I replied ‘yes’ now Autodesk won’t let me connect to them via browser or through Mod Tools and…well, it’s pretty frustrating because I can’t find the switch to flick off Comdo’s alternate DNS server option.

Any help desperately appreciated.

I was just reading about this yesterday here. Does this thread help? https://forums.comodo.com/firewall-help-cis/how-to-turn-off-comodo-dns-server-and-switch-back-to-my-providers-one-t58001.0.html