You can set your custom/private nameserver from WHM.
1. Login to your WHM Account.
2. Go to
Server Configuration >>
Basic WebHost ManagerĀ® Setup or type
Basic in the search box, and it will display the
Basic WebHost ManagerĀ® Setup option. Click on it.
3. Under
Nameservers, Select
Explicitly Set the Nameserver and enter or change the nameserver in Nameserver 1, 2 fields. Then, click on
Save Changes.
Note: Domain propagation takes up to 24 hours.