To modify the DNS on your domain, please do the following:
Log into your account.
Under the menu option Domains, click My Domains.
Click on the domain name you wish to work with.
Click on DNS Server Settings or select DNS Server Settings from the Manage Domain drop-down list.
Enter your own name servers addresses, you may enter up to 5 name servers (e.g., ns1.example.com).
NOTE: ">NOTE: We do not supply nameservers to modify your host records. we recommended cloudflare to our clients.
Click Save.
Please allow up to 2 hours for the changes to propagate throughout the Internet.