A Registrar is identified by the initials REG.
It is a service provider for the registration of domain names on behalf of customers.
Aruba is a Registrar.
To see the Registrar which a domain name is registered with, you simply have to do a whois search.
Article ID: 3885, Created: May 3, 2010 at 4:45 PM, Modified: August 19, 2011 at 9:52 AM