domain name

domain name


computers : the characters (such as or that form the main part of an Internet address

Full Definition of DOMAIN NAME

:  a sequence of usually alphanumeric characters (as that specifies a group of online resources (as of a particular company or person) and that forms part of the corresponding Internet addresses

First Known Use of DOMAIN NAME


domain name

noun    (Concise Encyclopedia)

Address of a computer, organization, or other entity on a TCP/IP network such as the Internet. Domain names are typically in a three-level “server.organization.type” format. The top level denotes the type of organization, such as “com” (for commercial sites) or “edu” (for educational sites); the second level is the top level plus the name of the organization (e.g., “” for Encyclopædia Britannica); and the third level identifies a specific host server at the address, such as the “www” (World Wide Web) host server for “”. A domain name is ultimately mapped to an IP address, but two or more domain names can be mapped to the same IP address. A domain name must be unique on the Internet, and must be assigned by a registrar accredited by the Internet Corporation for Assigned Names and Numbers (ICANN). See also URL.


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