What is the difference between a domain, a registrar and a registry?

A domain is the web address you rent, a registrar is the company you rent it through, and a registry keeps the official record for each ending, such as .com. You never own a domain outright.

• You pay for the right to use a domain for one or more years. You can renew it, but you never own the name itself.
• A registrar is the shop. It uses the registry's records to link you to your domain.
• For .com and similar endings, the registrar must be accredited by ICANN, the body that sets the rules.
• You have rights as a registrant: the registrar's terms and prices must be clear, with no hidden fees.
• Keep your contact details current. The registrar will use them to reach you about renewals.