| Introduced | 1985 |
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| TLD type | Country code top-level domain |
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| Status | Active |
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| Registry | Neustar |
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| Sponsor | United States Department of Commerce |
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| Intended use | Entities connected with United States |
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| Actual use | American business use of its own country code top level domain (ccTLD) is fast growing in popularity |
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| Registration restrictions | U.S. nexus requirement can be enforced by challenge, but seldom is |
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| Structure | Originally registrations were within complex, 3rd or 4th level hierarchy, but currently direct second-level registrations are allowed;kids.us permits 3rd-level registrations for child-friendly sites |
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| Documents | RFC 1480;USDoC agreements with Neustar |
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| Dispute policies | usTLD Dispute Resolution Policy (usDRP) |
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| Website | nic.us |
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