.us

Top-level Internet domain for the United States July 2018 July 2018 us DotUS domain logo.png 1985 2 15 Country code top-level domain Active Registry Services, LLC (owned by GoDaddy) National Telecommunications and Information Administration Entities connected with the United States Used in the United States but not as widely as gTLDs U.S. state, tribal, and local governments (declining in favor of .gov) Some American businesses as alternative to .com Domain hacks (e.g. del.icio.us) 2,053,374 December 2023 .US Top-Level Domain Stats and Trends .US Domains - About.US en 2023 Registry Services, LLC Tempe, Arizona https://www.about.us/doc/resources/ebooks/202312_US_Monthly_Report_DEC23_FNL.pdf 2024-10-28 Connection with the U.S. requirement can be enforced by challenge but rarely is 2nd-level registrations allowed; originally only 3rd- or 4th-level registrations in a complex hierarchy RFC 1480; USDoC agreements with Neustar; Other policies usTLD Dispute Resolution Policy (usDRP) https://www.about.us/ about.us Yes .us is the Internet country code top-level domain (ccTLD) for the United States. It was established in February 1985. Registrants of us domains must be U.S. citizens, residents, or organizations – or foreign entities with a presence in the United States or a territory of the United States.https://www.about.us/policies/ustld-nexus-requirements UsTLD Nexus Requirements Policy for Registrants| About.US - About.US December 3, 2020 April 15, 2021 https://web.archive.org/web/20210415075816/https://www.about.us/policies/ustld-nexus-requirements dead Most registrants in the U.S. have registered for .com, .net, .org and other gTLDs, instead of us, which has primarily been used by state and local governments, even though private entities may also register us domains.zoom.us (video call app) https://zoom.us/ live https://web.archive.org/web/20020606091959/http://www.zoom.us:80/ June 6, 2002 2021-01-07 Zoom Video en-US The domain is managed by Registry Services, LLC, an acquired subsidiary domain name registry of GoDaddy, on behalf of the United States Department of Commerce.About the .US Top-Level Domain - Overview .US Domains - About.US https://www.about.us/aboutus 2023-12-05 www.about.us The us domain is less commonly used by American businesses and enterprises than the internationally more common .com.2022-10-17 The Most Popular Domain Extensions Top 10 TLDs https://www.ionos.co.uk/digitalguide/domains/domain-extensions/most-popular-domain-extensions/ live https://web.archive.org/web/20230510164252/https://www.ionos.co.uk/digitalguide/domains/domain-extensions/most-popular-domain-extensions/ 2023-05-10 2023-05-10 Ionos History On February 15, 1985, us was created as the Internet's first ccTLD.History of the Internet. ccTLDs in chronological order of Top Level Domain creation at the Internic. Elisabeth Portenueve AFNIC October 23, 2003 March 29, 2015 http://www.ccwhois.org/ccwhois/cctld/ccTLDs-by-date.html https://web.archive.org/web/20011012191130/http://www.ccwhois.org/ccwhois/cctld/ccTLDs-by-date.html dead October 12, 2001https://www.iana.org/domains/root/db/us.html IANA—.us Domain Delegation Data www.iana.org 2020-02-01 Its original administrator was Jon Postel of the Information Sciences Institute (ISI) at the University of Southern California (USC). He administered us under a subcontract that the ISI and USC had from SRI International (which held the us and the gTLD contract with the United States Department of Defense) and later Network Solutions (which held the us and the gTLD contract with the National Science Foundation). Postel and his colleague Ann Westine Cooperhttps://public.resource.org/eti/RoundThree01.html Exploring the Internet: Round Three, Marina del Rey Carl Malamud 1992 public.resource.org 19 October 2018 codified the us ccTLD's policies in December 1992 as RFC 1386https://tools.ietf.org/html/rfc1386 The US Domain Postel Jon Cooper Ann Westine tools.ietf.org December 1992 19 October 2018 and revised them the following June in RFC 1480. Registrants could only register third-level domains or higher in a geographic and organizational hierarchy. From June 1993 to June 1997, Postel delegated the vast majority of the geographic subdomains under us to various public and private entities. us registrants could register with the delegated manager for the specific zone they wished to register in, but not directly with the us administrator. In July 1997, Postel instituted a "50/500 rule" that limited each delegated manager to 500 localities maximum, 50 in a given state. In June 1998, Postel raised the possibility of covering IANA operating costs by charging locality name registrars, who would pass the costs along to individual registrants. In September 1998, the United States Postal Service proposed funding the operations in order to assume control of us, as part of a plan to diversify away from postage revenue.Wass 2003 127 On October 1, 1998, the NSF transferred oversight of the us domain to the National Telecommunications and Information Administration (NTIA) of the United States Department of Commerce.Requesting comments on draft statement of work regarding us Postel died that month, leaving his domain administration responsibilities with ISI. In December 2000, these responsibilities were transferred to Network Solutions, which had recently been acquired by Verisign.Amendment 21 to the NSI Cooperative AgreementTHE GLOBALISATION OF REGULATION AND ITS IMPACT ON THE DOMAIN NAME SYSTEM : DOMAIN NAMES AND A NEW REGULATORY ECONOMY by ELIZABETH A WILLIAMS On October 26, 2001, Neustar was awarded the contract to administer us. On April 24, 2002, second-level domains under us became available for registration. One of the first us domain hacks, icio.us, was registered on May 3, 2002, for the creation of the subdomain del.icio.us.Whois query for the domain names "DELICIO.US" and "ICIO.US". Whois database last updated March 29, 2015. Accessed March 29, 2015.A Del.icio.us Interview Michael Lopp Rands Rands in Repose December 3, 2004 March 29, 2015 http://randsinrepose.com/archives/a-delicious-int/ A moratorium was placed on additional delegations of locality-based namespaces, and Neustar became the default delegate for undelegated localities.Manheim, Karl M. and Solum, Lawrence B., "An Economic Analysis of Domain Name Policy" (2004). University of San Diego Law and Economics Research Paper Series. 1. http://digital.sandiego.edu/lwps_econ/art1 Neustar's contract was renewed by the National Telecommunications and Information Administration (NTIA) in 2007, 2014, and most recently in 2019 for a term of 10 years..us Domain Space National Telecommunications and Information Administration February 17, 2015 March 28, 2015 http://www.ntia.doc.gov/page/2011/us-domain-space On March 31, 2019, the us registry made it clear that under its Acceptable Use Policy it would not allow the sale of opioids through the us top level domain.https://www.about.us/blog/tackling-the-opioid-crisis-by-cutting-off-online-sales-in-the-ustld Tackling the Opioid Crisis by Cutting off Online Sales in the usTLD - About.US In Q2 2020, GoDaddy acquired Neustar's registry business. GoDaddy Acquires Neustar's Registry Business https://www.prnewswire.com/news-releases/godaddy-acquires-neustars-registry-business-301036134.html 2023-10-26 www.prnewswire.com en Locality namespace The us ccTLD is historically organized under a complex locality namespace hierarchy. Until second-level registrations were introduced in 2002, us permitted only fourth-level domain registrations of the form organization-name.locality.state.us, with some exceptions for government entities. Registrants of locality-based domains must meet the same criteria as in the rest of the us ccTLD. Though the locality namespace is most commonly used for government entities, it is also open to registrations by private businesses and individuals. Since 2002, second-level domain registrations have eclipsed those in the locality namespace, and many local governments have transitioned to .org and other TLDs. In the 2010s, the first top-level domains for U.S. cities became available as paid alternatives to third-level locality domains, including .nyc as an alternative to .new-york.ny.us. Many locality-based zones of us are delegated to various public and private entities known as delegated managers. Domains in these zones are registered through the delegated manager, rather than through GoDaddy. As the delegated managers are expected to receive requests directly from registrants, few if any domain name registrars serve this space, possibly contributing to its lower visibility and utilization. RFC 1480 describes the rationale for the locality namespace's deep hierarchy and local delegation: One concern is that things will continue to grow dramatically, and this will require more subdivision of the domain name management. Maybe the plan for the US Domain is overkill on growth planning, but there has never been overplanning for growth yet. This hierarchical system has proven unappealing to companies that operate nationally or globally.Wass 2003 127–129 As of October 31, 2013, 12,979 domains were registered under the locality namespace, of which 3,653 were managed by about 1,300 delegated managers while 9,326 were managed by Neustar as the de facto manager.Structure and History Neustar March 28, 2015 http://www.neustar.us/ustld-stakeholder-council/structure-and-history/ April 2, 2015 https://web.archive.org/web/20150402142158/http://www.neustar.us/ustld-stakeholder-council/structure-and-history/ dead According to a 2013 survey of 539 delegated managers, 282 were state or local government agencies, while 98 were private individuals and 85 were commercial Internet service providers. Nearly 90% of the respondents offer domain registrations for free. The .au and .ca ccTLDs have also established third- and fourth-level locality namespaces, though the .ca locality namespace is no longer open to registrations. The .cn ccTLD maintains a third-level locality namespace in general use. States and territories A two-letter second-level domain is formally reserved for each U.S. state, federal territory, and the District of Columbia. Each domain corresponds to a USPS abbreviation. For example, .ny.us is reserved for websites affiliated with New York, while .va.us is for those affiliated with Virginia. Second-level domains are also reserved for five U.S. territories: .as.us for American Samoa, .gu.us for Guam, .mp.us for the Northern Mariana Islands, .pr.us for Puerto Rico, and .vi.us for the U.S. Virgin Islands. However, these domains go unused because each territory has its own ccTLD per ISO 3166-1 alpha-2: respectively, .as, .gu, .mp, .pr, and .vi. thumb|right|Vehicle registration plates of Pennsylvania bore the URL WWW.STATE.PA.US from September 1999 to December 2004. A state's main government portal is usually found at the third-level domain state.state.us, which is reserved for this purpose. However, some state administrations prefer .gov domains: for example, California's government portal is located at http://www.ca.gov/. Other than for state governments, no third-level domain registrations are permitted under state or territory second-level domains. A few additional names are reserved at the second level for government agencies that are not subordinate to a state government: fed.us for agencies of the U.S. federal government (historical; superseded by .gov)New domain requirements for federal executive branch agencies Cameron Dixon get.gov Cybersecurity and Infrastructure Security Agency Washington, D.C. February 8, 2023 November 23, 2025 https://get.gov/posts/2023-02-08-OMB-new-requirements-for-federal-executive-agencies/ Example: https://web.archive.org/web/20191119160001/http://www.fs.fed.us/ www.fs.fed.us (formerly the United States Forest Service) isa.us for interstate authorities created by interstate compacts Example: https://web.archive.org/web/20251104021503/http://imcc.isa.us/ imcc.isa.us (Interstate Mining Compact Commission) nsn.us for Native Sovereign Nations (which may also use -nsn.gov) Example: https://web.archive.org/web/20220131202107/https://www.mohegan.nsn.us/ www.mohegan.nsn.us (Mohegan Tribe) dni.us for distributed national institutes Example: https://web.archive.org/web/20130605050259/https://ccj.ncsc.dni.us/ ccj.ncsc.dni.us (formerly the Conference of Chief Justices, part of the National Center for State Courts) Example: http://www.theta-delta-chi.dni.us/ (formerly the Theta Delta Chi fraternity) Locality domains A large number of third-level domains are reserved for localities within states. Each fourth-level domain registration under this namespace follows the format organization-name.locality.state.us, where state is a state's two-letter postal abbreviation and locality is a hyphenated name that corresponds to a ZIP code or appears in a well-known atlas...US Compliance Report Neustar n.d. November 21, 2017 https://ns-cdn.neustar.biz/creative_services/biz/neustar/www/resources/domain-names/us-locality-compliance-report.pdf Two values of organization-name are formally reserved across the entire locality namespace for city and county governments: ci.locality.state.us for city governments Example: https://www.ci.east-palo-alto.ca.us/ (East Palo Alto, California), https://ci.mansfield.oh.us/ (Mansfield, Ohio) co.locality.state.us for county governments Example: https://www.co.adams.id.us/ (Adams County, Idaho) Delegated managers often reserve additional names for different kinds of local governments: borough.locality.state.us for borough governments Example: https://borough.shippensburg.pa.us/ (Shippensburg, Pennsylvania) city.locality.state.us for city governments Example: https://www.city.waltham.ma.us/ (Waltham, Massachusetts) county.locality.state.us for county governments parish.locality.state.us for parish governments (unused) town.locality.state.us for town governments Example: https://www.town.northlake.tx.us/ (Northlake, Texas), https://www.town.windermere.fl.us/ (Windermere, Florida) twp.locality.state.us or township.locality.state.us for township governments Examples: https://twp.jerusalem.oh.us/ (Jerusalem Township, Lucas County, Ohio), https://www.township.wilson.mn.us/ (Wilson Township, Winona County, Minnesota), twp.greene.franklin.pa.us (Greene Township, Franklin County, Pennsylvania) vil.locality.state.us or village.locality.state.us for village governments Examples: https://www.vil.bellwood.il.us/ (Bellwood, Illinois), https://www.village.fairport.ny.us/ (Fairport, New York) In some cases, a local government that serves as the delegated manager for its own locality may locate its website directly under the locality, omitting the organization-name. For example, the website of the City of Brunswick, Ohio, is located at https://www.brunswick.oh.us/ rather than www.ci.brunswick.oh.us, and the website of Delhi Township, Ohio, is located at https://www.delhi.oh.us/ instead of www.twp.delhi.oh.us. Unusually, Lima, Ohio, is located at http://www.cityhall.lima.oh.us/. Many large cities use .gov extensions, for example Chicago (https://www.chicago.gov/); Rochester, New York and (https://www.cityofrochester.gov/). Several cities, villages, and towns use the localitystate.gov format, often with the state abbreviated, for example, Atlanta, Georgia (https://www.atlantaga.gov/), Northport, New York (https://www.northportny.gov/), and Huntington, New York (https://www.huntingtonny.gov/). Although most New York City websites have moved to https://www.nyc.gov/, us redirects exist for individual city agencies, such as the Independent Budget Office at https://www.ibo.nyc.ny.us/ and the Board of Elections at http://vote.nyc.ny.us/. Private organizations and individuals may register fourth-level domains parallel to these government domains, for example: https://bcn.boulder.co.us/ (a community network in Boulder, Colorado) https://hpnc.cincinnati.oh.us/ (the neighborhood council for Hyde Park, Cincinnati) https://linux.portland.or.us/ (Portland Linux/Unix Group) https://michael.silverton.palo-alto.ca.us/ (Michael Silverton, a resident of Palo Alto, California) https://owen.sj.ca.us/ or http://owen.san-jose.ca.us/ (a family in San Jose, California)Registering in the US Domain (For Free) R.K. Owen Linux Journal 39 July 1997 1075-3583 https://www.linuxjournal.com/article/2011 https://www.sna.providence.ri.us/ (the neighborhood association for Hope, Providence, Rhode Island) https://social.seattle.wa.us/ (a Mastodon instance in Seattle) https://social.tulsa.ok.us/ (a Mastodon instance in Tulsa, Oklahoma) https://wclug.chicago.il.us/ (a Linux user group in Chicago) http://well.sf.ca.us/ (The WELL, a virtual community in San Francisco) The us TLD registrar serves as the default delegated manager for all undelegated third-level locality domains, as well as any locality domains relinquished by delegated managers. Under Neustar and GoDaddy, the registrar has discontinued delegation of third-level locality domains, as well as registration of domain names under any locality or affinity domain for which it serves as the delegated manager.usTLD Locality-Based Structure About.US Registry Services Tempe, Arizona February 7, 2025 https://www.about.us/locality-structure Alternative locality names Some delegated managers alternatively register domains under common abbreviations of locality names, which are not necessarily interchangeable. Many of these abbreviations came from Western Union's "City Mnemonics" list. Examples include: Canonical domain Alternative domain Locality albuquerque.nm.us abq.nm.us Albuquerque, New Mexico atlanta.ga.us atl.ga.us Atlanta bethlehem.pa.us betm.pa.us Bethlehem, Pennsylvania boca-raton.fl.us bcr.fl.us Boca Raton, Florida boynton-beach.fl.us boynton-bch.fl.us Boynton Beach, Florida charlottesville.va.us chv.va.us Charlottesville, Virginia cvl.va.us chattanooga.tn.us cta.tn.us Chattanooga, Tennessee chicago.il.us chi.il.us Chicago city-of-commerce.ca.us commerce.ca.us Commerce, California colorado-springs.co.us colospgs.co.us Colorado Springs, Colorado fayetteville.nc.us fay.nc.us Fayetteville, North Carolina fort-lauderdale.fl.us ft-lauderdale.fl.us Fort Lauderdale, Florida ftl.fl.us ftlaud.fl.us fort-walton-beach.fl.us fwb.fl.us Fort Walton Beach, Florida gainesville.fl.us gnv.fl.us Gainesville, Florida haverford.pa.us hvfd.pa.us Haverford, Pennsylvania honolulu.hi.us hnl.hi.us Honolulu houston.tx.us hou.tx.us Houston jacksonville.fl.us jax.fl.us Jacksonville, Florida jersey-city.nj.us jcty.nj.us Jersey City, New Jersey knoxville.tn.us knox.tn.us Knoxville, Tennessee lafayette.in.us laf.in.us Lafayette, Indiana laguna-niguel.ca.us lanu.ca.us Laguna Niguel, California lexington.ky.us lex.ky.us Lexington, Kentucky little-rock.ar.us lrk.ar.us Little Rock, Arkansas livermore.ca.us lvmr.ca.us Livermore, California long-beach.ca.us lgb.ca.us Long Beach, California los-angeles.ca.us la.ca.us Los Angeles Los Angeles County, California louisville.ky.us lou.ky.us Louisville, Kentucky menlo-park.ca.us mpk.ca.us Menlo Park, California milwaukee.wi.us mil.wi.us Milwaukee minneapolis.mn.us mpls.mn.us Minneapolis mission-viejo.ca.us mivj.ca.us Mission Viejo, California missouri-city.tx.us mocity.tx.us Missouri City, Texas mountain-view.ca.us mtnview.ca.us Mountain View, California mtview.ca.us mountlake-terrace.wa.us mlt.wa.us Mountlake Terrace, Washington munroe-falls.oh.us mrfs.oh.us Munroe Falls, Ohio murfreesboro.tn.us mfee.tn.us Murfreesboro, Tennessee nashville.tn.us nashvl.tn.us Nashville, Tennessee new-york.ny.us nyc.ny.us New York City norwalk.ca.us nrwk.ca.us Norwalk, California oak-ridge.tn.us or.tn.us Oak Ridge, Tennessee orland-park.il.us orpk.il.us Orland Park, Illinois pacific-grove.ca.us pg.ca.us Pacific Grove, California palm-beach-gardens.fl.us pbg.fl.us Palm Beach Gardens, Florida palo-alto.ca.us pla.ca.us Palo Alto, California philadelphia.pa.us pha.pa.us Philadelphia phl.pa.us pittsburgh.pa.us pgh.pa.us Pittsburgh pleasanton.ca.us plsn.ca.us Pleasanton, California portola-valley.ca.us portola.ca.us Portola Valley, California ptvy.ca.us prince-georges.md.us pg.md.us Prince George's County, Maryland rancho-cucamonga.ca.us cucamonga.ca.us Rancho Cucamonga, California redondo-beach.ca.us rb.ca.us Redondo Beach, California redwood-city.ca.us rwc.ca.us Redwood City, California rochester.ny.us roc.ny.us Rochester, New York sacramento.ca.us sac.ca.us Sacramento, California Sacramento County, California saint-petersburg.fl.us st-pete.fl.us St. Petersburg, Florida salt-lake.ut.us slc.ut.us Salt Lake County, Utah salt-lake-city.ut.us salt-lake.ut.us Salt Lake City slc.ut.us san-antonio.tx.us sat.tx.us San Antonio san-francisco.ca.us sf.ca.us San Francisco san-luis-obisbo.ca.us slo.ca.us San Luis Obispo, California San Luis Obispo County, California san-jose.ca.us sj.ca.us San Jose, California santa-clara.ca.us scl.ca.us Santa Clara, California Santa Clara County, California sausalito.ca.us sau.ca.us Sausalito, California seattle.wa.us sea.wa.us Seattle shaker-heights.oh.us shaker-hts.oh.us Shaker Heights, Ohio somerville.ma.us svle.ma.us Somerville, Massachusetts south-san-francisco.ca.us ssf.ca.us South San Francisco, California state-college.pa.us scol.pa.us State College, Pennsylvania steamboat-springs.co.us steamboat.co.us Steamboat Springs, Colorado sunnyvale.ca.us suvl.ca.us Sunnyvale, California vancouver.wa.us van.wa.us Vancouver, Washington villa-park.ca.us vlpa.ca.us Villa Park, California west-palm-beach.fl.us wpb.fl.us West Palm Beach, Florida wichita-falls.tx.us wf.tx.us Wichita Falls, Texas yellow-springs.oh.us ys.oh.us Yellow Springs, Ohio Affinity namespaces Directly beneath the state.us zone, several affinity namespaces are reserved for specific purposes: state: state government agencies (organization-name.state.state.us) Examples: https://arkleg.state.ar.us/ (Arkansas General Assembly), https://mdhhsmiimmsportal.state.mi.us/ (Michigan Department of Health and Human Services immunization records portal), https://tap.state.nm.us/ (New Mexico Taxation and Revenue Department tax filing system) dst: government agencies in administrative districts (organization-name.dst.state.us) Example: https://lnva.dst.tx.us/ (Lower Neches Valley Authority) cog: councils of governments, that is, federations of cities or counties (organization-name.cog.state.us) Example: https://stdc.cog.tx.us/ (South Texas Development Council) k12: public elementary and/or secondary unified school districts (district-name.k12.state.us) individual schools (school-name.k12.state.us). Also used by public agencies overseeing educational institutions. Examples: https://iberia.k12.la.us/ (Iberia Parish School District), https://www.pctc.k12.oh.us/ (Pioneer Career and Technology Center), https://ospi.k12.wa.us/ (Washington State Office of Superintendent of Public Instruction) pvt.k12: private elementary or secondary schools (school-name.pvt.k12.state.us or school-name.diocese-name.pvt.k12.state.us) Examples: https://www.ionaprep.pvt.k12.ny.us/ (Iona Preparatory School), https://www.stmary-wooster.cld.pvt.k12.oh.us/ (a private K-12 school in the Roman Catholic Diocese of Cleveland in Ohio) The k12.ma.us delegate manager additionally delegates domains under chtr.k12.ma.us and paroch.k12.ma.us for charter schools and parochial schools, respectively.Public Suffix List Public Suffix List Mozilla Foundation Mountain View, California July 18, 2025 July 20, 2025 https://publicsuffix.org/list/public_suffix_list.dat cc: community colleges (school-name.cc.state.us) Example: https://www.lakeland.cc.il.us/ (Lake Land College) tec: technical and vocational schools (school-name.tec.state.us) Example: https://ap.tec.pa.us/ (Admiral Peary Vocational-Technical School) lib: public libraries (library-name.lib.state.us) Example: https://www.monroecounty.lib.oh.us/ (Monroe County District Library) mus: museums (museum-name.mus.state.us) Example: http://www.ok-history.mus.ok.us/ (Oklahoma Historical Society) gen: general independent entities (clubs or other groups not fitting into the above categories) (organization-name.gen.state.us) Examples: https://www.mrc.gen.mn.us/ (a amateur radio association in Minnesota), https://luni.gen.il.us/ (a Linux user group for northern Illinois), https://squaredance.gen.or.us/ (a statewide federation of square dance clubs) Some of these affinity namespaces have been supplanted by more convenient sponsored top-level domains. The first sTLD, .museum, became available in October 2001 as an alternative to the .mus namespace. Since April 2003, the .edu top-level domain has been available as an alternative for community colleges, technical and vocational schools, and other tertiary educational institutions that might have previously used the .cc or .tec affinity namespaces.EDUCAUSE Announces Expansion of Eligibility for .edu Internet Names to Nationally Accredited Institutions Educause February 11, 2003 August 28, 2016 http://net.educause.edu/edudomain/pr-eligibility.asp https://web.archive.org/web/20111204092109/http://net.educause.edu/edudomain/pr-eligibility.asp December 4, 2011 dead mdy-all Although the Kentucky Department of Education operates the .k12.ky.us namespace for Kentucky school districts, most districts instead use subdomains of the less formal domain kyschools.us, which the department operates in a similar manner. For example, Gallatin county schools have a website at http://www.gallatin.k12.ky.us/, while Paducah Public Schools are located at http://paducah.kyschools.us/ and the McCracken County Public Schools use http://mccracken.kyschools.us/ as a redirect to http://www.mccrackencountyschools.net/. Kids.us The Dot Kids Implementation and Efficiency Act of 2002 (107 317) established a .kids.us second-level domain. The general public could register third-level domains under .kids.us for educational content that met strict requirements, including conformance to the Children's Online Privacy Protection Act and adherence to Children's Advertising Review Unit standards. Webpages were prohibited from linking outside the .kids.us namespace. On July 27, 2012, in response to declining usage and a petition by Neustar the previous year, the NTIA suspended .kids.us registrations. By that time, 651 domains were registered under .kids.us, and only five registrants (Nickelodeon, Nick Jr., PBS Kids, the Smithsonian Center for Education and Museum Studies, and Super-Fun Sports Inc., operating trampoline.kids.us and trampolines.kids.us) were operating active websites.Kids.us Education Advisory Committee Report Neustar October 28, 2014 March 28, 2015 2 http://www.neustar.us/wp-content/uploads/2014/10/education-advisory-committee-final-report.pdf April 2, 2015 https://web.archive.org/web/20150402092915/http://www.neustar.us/wp-content/uploads/2014/10/education-advisory-committee-final-report.pdf dead Restrictions on use Under us nexus requirements, us domains may be registered only by the following qualified entities: Any United States citizen or resident, Any United States entity, such as organizations or corporations, Any foreign entity or organization with a bona fide presence in the United States To ensure that these requirements are met, GoDaddy frequently conducts "spot checks" on registrant information. To prevent anonymous registrations that do not meet these requirements, in 2005 the National Telecommunications and Information Administration ruled that registrants of us domains may not secure private domain name registration via anonymizing proxies, and that their contact information must be made public.https://www.washingtonpost.com/wp-dyn/articles/A7251-2005Mar4.html Ruling on '.us' Domain Raises Privacy Issues washingtonpost.com 2005-03-04 2015-03-31 Registrants are required to provide complete contact information without omissions.http://www.neustar.us/the-ustld-nexus-requirements/ The usTLD Nexus Requirements Policy neustar.us 2014-06-20 2016-05-14 October 31, 2012 https://web.archive.org/web/20121031085221/http://www.neustar.us/the-ustld-nexus-requirements/ dead Under the locality namespace, delegated managers may impose additional requirements. For example, the former Texas Regional Hostmaster restricted each of its delegated localities to organizations that had a mailing address in that locality.Locality Domain Names in TX.US Administered by the Texas Regional Hostmaster Texas Regional Hostmaster May 4, 2000 March 29, 2015 http://www.ns.gen.tx.us/ftp/pub/requirements/locality.tx.us.names https://web.archive.org/web/20150308153625/http://www.ns.gen.tx.us/ftp/pub/requirements/locality.tx.us.names March 8, 2015 dead Other top-level domains related to the United States Some sponsored top-level domains (sTLDs) are restricted to U.S.-based entities, other than some grandfathered registrations. These domains are much more popular than the equivalent domains under us. sTLDAllowed useus alternativeeduCommunity collegescc.state.usTechnical and vocational schoolstec.state.usgovFederal government agenciesfed.usTribal governmentstribe.nsn.usState governmentsstate.state.usLocal governmentstype.locality.state.usmilArmed forces Territories of the United States use their own country code top-level domains (ccTLDs). Identical domains are reserved under us but in practice go unused. ccTLDTerritoryus alternativeasAmerican Samoaas.usguGuamgu.usmpNorthern Mariana Islandsmp.usprPuerto Ricopr.usum (deprecated)United States Minor Outlying Islandsum.usviUnited States Virgin Islandsvi.us Some U.S. cities are the focus of generic top-level domains under the New gTLD Program. These gTLDs are not necessarily affiliated with the delegated managers of the corresponding third-level domains within the us locality namespace. gTLDCityus alternativebostonBostonboston.ma.usmiamiMiamimiami.fl.usnycNew York Citynew-york.ny.usnyc.ny.usvegasLas Vegaslas-vegas.nv.us Unofficially, some ccTLDs belonging to other countries are used by U.S.-based private organizations and state government agencies based on their similarity to postal state abbreviations or informal city name abbreviations. ccTLDIntended forInformal useus alternativelaLaosLouisianala.usLos Angeleshttp://investvine.com/laos-sells-la-domain-to-los-angeles-businesses/ Laos rents '.la' Internet domain to Los Angeles businesses Arno Maierbrugger Inside Investor 10 July 2013 11 July 2013 https://web.archive.org/web/20130914043412/http://investvine.com/laos-sells-la-domain-to-los-angeles-businesses/ 2013-09-14 live la.ca.uslos-angeles.ca.usmnMongoliaMinnesotaDomainNRG StateFair.MN and DomainNRG Launch the “Most Minnesotan” Domain Name Competition https://www.prweb.com/releases/statefair_mn_and_domainnrg_launch_the_most_minnesotan_domain_name_competition/prweb11051568.htm 2025-03-20 www.prweb.com enmn.usmsMontserratMississippihttp://www.dixie-net.com/msdomains.shtml Mississippi Company Has Unique Product To Personalize Email Addresses 26 November 2018 https://web.archive.org/web/20100503100700/http://www.dixie-net.com/msdomains.shtml 3 May 2010 dead dmy-all ms.us See also Internet in the United States List of Internet top-level domains North America References 2 Further reading Addressing the World: National Identity and Internet Country Code Domains Erica Schlesinger Wass Lanham, Maryland Rowman & Littlefield 2003 9780742528109 https://books.google.com/books?id=PbOYUSwNxaYC&pg=PA127 Google Books External links https://www.about.us/ Registry Services domain registry .US Locality Domains instructions for registering a fourth-level us locality domain name Delegation Record for .US Internet Assigned Numbers Authority WHOIS record .us Domain Space National Telecommunications and Information Administration usTLD Nexus Requirements Policy requirements for registrants of us domains 1480: The US Domain (June 1993) https://web.archive.org/web/20000302160122/http://www.nic.us/usdom-overview.html March 2, 2000 The US Domain Overview USC Information Sciences Institute Locality domains list of third- and fourth-level locality domains that are or were open to registration collapsed Internet in Category:Country code top-level domains Category:Domain names in the United States Category:Council of European National Top Level Domain Registries members Category:Internet properties established in 1985 Category:Acts of the 107th United States Congress sv:Toppdomän#U