When you register a domain name, you are inserting an entry into a directory of all the domain names and their corresponding computers on the Internet.
Domain names ending with .aero, .biz, .com, .coop, .info, .museum, .name, .net, .org, or .pro can be registered through many different companies (known as "registrars") that compete with one another.
The registrar you choose will ask you to provide various contact and technical information that makes up the registration. The registrar will then keep records of the contact information and submit the technical information to a central directory known as the "registry." This registry provides other computers on the Internet the information necessary to send you e-mail or to find your web site. You will also be required to enter a registration contract with the registrar, which sets forth the terms under which your registration is accepted and will be maintained.
Each registrar sets the price it charges for registering names, and prices vary significantly among different registrars. In addition, some registrars offer discounted or free registration services in connection with other offerings, such as web hosting.
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