- (context, computing, internet) a domain name that has been prefaced with additional parts, each part ending in a period
- 1987 November, P. Mockapetris, Domain Concepts and Facilities, RFC1034, also known as STD0013
- :A domain is a of another domain if it is contained within that domain. This relationship can be tested by seeing if the subdomain's name ends with the containing domain's name. For example, A.B.C.D is a of B.C.D, C.D, D, and " ".
- BIND 9 Administrator Reference Manual (9.3.2), Copyright Â© 2004, 2005 Internet Systems Consortium, Inc. ("ISC"), Copyright Â© 2000-2003 Internet Software Consortium, http://www.bind9.net/manual/bind/9.3.2/Bv9ARM.ch01.html
- :Every name in the DNS tree is a domain, even if it is terminal, that is, has no subdomains. Every is a domain and every domain except the root is also a .
- (context, computing, internet) Any lower-level part of a domain name.
- In <tt>en.wiktionary.org</tt>, <tt>en</tt> is a .
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