To clarify, this section of the FAQ is about creating nameservers, not about assigning existing nameservers to your hosted domain.
We also offer domain registration services, and our registration services include the free creation of nameservers. Of course, you can also register your domains elsewhere, or create for example an eNom Domain registration reseller account.
If your domain is registered with us, in order to set up nameservers, login to your billing/admin control panel. Then go to "Account Overview" and click onto "View" next to the line "Number of Domains" and then on "Manage Domain." You can now create nameservers (or update IPs for existing ones) by going to:
"Management Tools" >> "Register Nameservers"
It will take about 24 to 48 hours for nameservers to propagate.
There are many registars in the world with different panels, however we have provided a simplistic explaination of how to register your name servers. You will have to login to your registrar and find the area where you can specify both of your custom name server addresses as well as where you can associate them with IP addresses on your VPS or server. Once found, use the next two IP addresses after your main IP and assign one of them to your NS1 and the other to your NS2. Example scenario: x.x.x.12 is your main IP. You would use .13 and .14.
We can also set these up for you. Just open a ticket up and provide the login to your register and the domain you would like it to be setup with.