FQDN

Zen and the Art of the Internet

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FQDN (Fully Qualified Domain Name)
 
The proper terminology for a site's domain name (somewhere.domain
above) is its Fully Qualified Domain Name (FQDN).  It is usually
selected to give a clear indication of the site's organization or
sponsoring agent.  For example, the Massachusetts Institute of
Technology's FQDN is mit.edu; similarly, Apple Computer's domain name
is apple.com.  While such obvious names are usually the norm, there
are the occasional exceptions that are ambiguous enough to
mislead---like vt.edu, which on first impulse one might surmise is an
educational institution of some sort in Vermont; not so.  It's
actually the domain name for Virginia Tech.  In most cases it's
relatively easy to glean the meaning of a domain name---such
confusion is far from the norm.