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Defense Information Systems Agency
Introduced 1985
TLD type Sponsored top-level domain
Status Active
Registry Defense Information Systems Agency
Sponsor DoD Network Information Center
Intended use Military entities
Actual use Agencies, services and divisions of the United States Department of Defense
Registration restrictions Tightly restricted to eligible agencies
Structure Divisions of particular services usually have third and higher level subdomains, such as within for United States Army sites.
Documents RFC 920; RFC 1591
Dispute policies None

The domain name mil is the sponsored top-level domain (sTLD) in the Domain Name System of the Internet for the United States Department of Defense and its subsidiary or affiliated organizations. The name is derived from military. It was one of the first top-level domains, created in January 1985.[1]

The United States is the only country that has a top-level domain for its military. Other countries often use second-level domains for this purpose, e.g., for the United Kingdom's Ministry of Defence.

Although the United States military has its own top-level domain, it still uses com domains for some of its recruitment sites, such as, as well as for the Defense Commissary Agency's public website and most non-appropriated fund instrumentalities such as military MWR organizations and military exchanges. Also, the military uses edu domains for its service academies: the United States Military Academy, United States Coast Guard Academy, United States Naval Academy, and the United States Air Force Academy can all be reached using either an edu or a mil domain. The official athletic program sites of the three academies that are members of NCAA Division I (Army, Navy, Air Force) use com domains. The Department of Defense itself uses gov for its home page, with at least three second-level domains within mil ("defense", "dod", and "pentagon") redirecting to its home page of

The Department of Defense is also using some vanity domains within mil in recent times, such as and


  1. ^ RFC 920, Domain Requirements, J. Postel, J. Reynolds, The Internet Society (October 1984)

External links



Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Wikipedia has an article on:


See also mil, mil., mîl, and míl



Pronounced as "dot-mill".



  1. (Internet) An Internet TLD indicating that a website is used by a military institution.


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