A computer that performs the mapping of domain names to IP addresses. Sometimes referred to as a host server. The primary server section of the Agreement is a required section and the domain name registration will not be processed unless this section of the Domain Name Service Agreement is completed properly. The entity, organization, or individual listed as the owner of the domain name is also known as the registrant. Any entity, organization, or individual that acts on behalf of a registrant regarding domain name requests or modifies is known as a registrar.
Some registries require domain name requests go through a registrar.
For .COM, .NET, and .ORG names, Domain Bank is a registrar. The organization responsible for the actual administration and maintenance to a top-level domain is known as the registry. The registry is where registrants or registrars go for new or modify domain name requests. Most TLD registries require initial registration fees as well as annual or bi-annual renewal fees. Prices vary from cost-free to thousands of dollars per domain depending on the TLD chosen.