I'm not sure what's going on. Basically, I have a large number of domains using the same nameservers: dns1.example.com and dns2.example.com.
Every individual domain name is registered with dotster.com
For example.com, I tried replacing:
ns1.dotster-expired.domainparkingserver.net
ns2.dotster-expired.domainparkingserver.net
with the IP address of the dedicated server computer that has all the domain records.
I get this message:
Records for example.com could not be updated. The nameserver you chose may not be a valid nameserver. Please verify with the provider and try again
All domains in question are current (not expired), and I just locked the domain not long ago.
I even verified that the IP address I entered for the computer is correct via my dedicated server control panel, and the WHM installed on the computer. I also verified the IP address is correct because it functioned as expected when I entered it into the web browser.
What I did notice around the time I (attempted) to make changes to the example.com DNS settings is that on the computer with WHM, the IP for example.com DNS has changed to some other IP address. I put that IP address in a browser and reached http://universalfwding.com/.
I understand with DNS changes that I need to wait 24 hours for updates, but is it just the dotster interface being dumb or do I need to do something else with a domain in my dotster account before having the ability to change nameserver domain addresses?
UPDATE
I put in dns1.example.com and dns2.example.com as the nameservers on the first attempt and it seemed to work, but the IP addresses don't work. I don't get why when the IP addresses are the ones to the dedicated server.