Yes. Domains registered at any registrar can be hosted on our servers.
Once your hosting account is setup, all email accounts are configured, and your content is uploaded, change the name servers for your domain on the registrar's Web site to the following:
ns1.jubjub.net
ns2.jubjub.net
ns3.jubjub.net
If you prefer to have us make the change for you, just create a support ticket or call 714-586-8500, option #1.
