What does FQDN mean in Domain Names?

This page is about the meanings of the acronym/abbreviation/shorthand FQDN in the Internet field in general and in the Domain Names terminology in particular.

Fully Qualified Domain Name

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Definition

What does FQDN mean?

Fully qualified domain name
A fully qualified domain name, sometimes also referred to as an absolute domain name, is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System. It specifies all domain levels, including the top-level domain and the root zone. A fully qualified domain name is distinguished by its lack of ambiguity: it can be interpreted only in one way. The DNS root domain is unnamed, which is expressed by the empty label, resulting in a fully qualified domain name ending with the dot character. The need for fully qualified domain names first arose out of a requirement for uniformity as the Internet was quickly growing in size in the 1980s.

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"FQDN." Abbreviations.com. STANDS4 LLC, 2015. Web. 25 May 2015. <http://www.abbreviations.com/term/233235>.