Identifying Web Sites:
Domain Name System

For Internet navigation to work, host or server computers are identified by the Domain Name System or DNS. The domain name consists of words and abbreviations which actually correspond to assigned numbers in the Internet routing system. Notice that the domain name appears in the section of the URL which follows the protocol (how the information is transferred) or http:// for web sites.

For example-- http://www.loc.gov  (or http://loc.gov)

is the web site for the Library of Congress

In this address the server name is www.loc.gov

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