Fix: Unable to add domain in cPanel that points to some other server

Problem Statement
Unable to add domain (which is not pointing to cPanel server.) in cPanel

Error Message
"Sorry, the domain is already pointed to an IP address that does not appear to use DNS servers associated with this server. Please transfer the domain to this server's nameservers or have your administrator add one of its nameservers to /etc/ipsremotedns and make the proper A entries on that remote nameserver."

Solution
We fixed this issue by following these steps – 

1. Log in to WHM.
2. Locate Tweak settings.
3. Under Domains, enable Allow remote domains option.
4. Save and Exit.