.us

.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