To find the registrar of your domain name, go to one of these reccomended WHOIS lookup websites:
The WHOIS database contains public contact information for all domains on the world wide web.
In the list of WHOIS information, you will find a line titled "domain registrar" or similar.
Some popular domain registrars are GoDaddy, eNom, HostMonster, HostGator, Network Solutions, 1and1, and Namecheap.
If you are still having trouble determining your domain registrar then contact our support team at firstname.lastname@example.org. If you are a Concierge member and require phone support, give us a call at (888) 534-2183.