Step 1: Log in to cPanel.
Step 2: In the DOMAIN section of cpanel there is one option for Zone Editor, Zone editor.
Step 4:
Click on +A Record and Add following A Records.
Ns1.domainname.com
Ns2.domainaname.com
With your server ip address like this
Step 5: Open your domain provider panel and goto dns manage option of domain.
Step 6: Add Hostname for domain name like this.
