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Concept
.gov
Summary
The domain name gov is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. The name is derived from the word government, indicating its restricted use by government entities. The TLD is administered by the Cybersecurity and Infrastructure Security Agency (CISA), a component of the United States Department of Homeland Security.
gov is one of the original six top-level domains, defined in RFC 920. Though "originally intended for any kind of government office or agency", only U.S.-based government entities may register .gov domain names, a result of the Internet originating as a U.S. government-sponsored research network.
Other countries typically delegate a second-level domain for government operations on their country-code top-level domain (ccTLD); for example, .gov.uk is the domain for the Government of the United Kingdom, and .gc.ca is the domain for the Government of Canada. The United States is the only country that has a government-specific top-level domain in addition to its ccTLD (.us).
gov domains are registered at get.gov.
is one of the original top-level domains created in 1984 (the other five being , , , , and ). The first site registered was in June 1985.
Beginning in 1997, the General Services Administration (GSA) began administering .gov. In February 2011, the GSA selected Verisign to manage the registry services, replacing Native Technologies, Inc.
Responsibility for the TLD was transferred to the Cybersecurity and Infrastructure Security Agency (CISA) under the DOTGOV Online Trust in Government Act of 2020, part of the Consolidated Appropriations Act, 2021.
In January 2023, CISA selected Cloudflare to replace Verisign in providing registry services. Cloudflare will also provide authoritative DNS services for the .gov domain.
Many governments in the United States use a .gov domain, though most use .us (e.g., leg.state.nv.us), .com (e.g., myflorida.com), .org (e.g., lacity.org), or other TLDs (e.g., senate.mn). The full list of registered .gov domains is published at get.
Official source
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