All of our shared, reseller, and semi-dedicated services use the same DNS cluster and the nameservers you should use for any of these services are as follows:
Shared, Premium, and Cloud accounts:
For custom nameservers you want to use these IP Addresses:
*Typically, you only need to enter the hostname (ex: ns1.mddservices.com) and not the IP address, however this depends on your domain registrar. If they do require an IP address to be entered, it is typically entered into a seperate text box. Please contact your domain registrar if you are unsure of how to set the nameservers in their control panel.