.us is the Internet country code top-level domain for the United States. It was established in early 1985. Registrants of.us domains must be U.S. citizens, residents, or organizations –... Wikipedia

  • Introduced:  February 15, 1985
  • TLD type:  Country code top-level domain
  • Status:  Active
  • Registry:  Registry Services, LLC
  • Sponsor:  National Telecommunications and Information Administration
  • Intended use:  Entities connected with the United States
  • Actual use:  Used in the United States but not as widely as gTLDs, U.S. state and local governments (declining in favor of.gov), Some American businesses as alternative to.com, Domain hacks (e.g. del.icio.us)
  • Registration restrictions:  Connection with the U.S. requirement can be enforced by challenge but rarely is
  • Structure:  2nd-level registrations allowed, originally only 3rd- or 4th-level registrations in a complex hierarchy
  • Documents:  RFC 1480, USDoC agreements with Neustar, Other policies
  • Dispute policies:  usTLD Dispute Resolution Policy (usDRP)
  • Website:  about.us
  • DNSSEC:  yes
  • Data source:  DuckDuckGo