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.
The United States is the only country that has a top-level domain for its military, a legacy of the United States' military role in the creation of the Internet . Other countries often use second-level domains for this purpose, e.g., _mod.uk _ for the United Kingdom 's Ministry of Defence . Canada uses _norad .mil _ with the United States as they jointly operate the North American Aerospace Defense Command .
Despite having a dedicated top-level domain, the US military also uses _com _ domains for some of its recruitment sites, such as _goarmy.com_, as well as for the Defense Commissary Agency 's website _www.commissaries.com_ 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 name. The official athletic program sites of the three academies that are members of NCAA Division I (Army , Navy , Air Force ) use _com_ domains, as well as Coast Guard , which is a member of NCAA Division III . 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 domain name _www.defense.gov_.
* ^ Postel, J.; Reynolds, J. (October 1984). "RFC 920 - _Domain Requirements_". _The Internet Engineering Task Force _. Missing or empty url= (help ) * ^ " United States Coast Guard Regulations 1992" (PDF). US Coast Guard .