you can also create your own name server with your domain, if usually your name server uses the default hosting, with this feature you can point it to your own domain

to make it you can go to

after that select the domain you want to make a Custom Name Server

click Private Name server on the left tab

Enter the name server you want. fill in the IP address of your previous server name

If you don't know your IP name server, you can PING via CMD / Terminal by typing ping like this:

Make sure you have a better understanding of the server if you want to use your own name server, using your own name server also requires you to change it manually if one day the hosting server IP changes