.US Domain Registration & WHOIS
Analyze registry operators, character limits, IDN support status, and specific registration guidelines for .US domains.
Extension Metadata
Registration Eligibility
Recently Queried Domains
Overview & Registration Guidelines
The .US domain extension is United States ccTLD It requires a minimum label length of 2 characters and supports up to 63 characters. It does not support IDN characters, meaning only standard English characters are allowed. The following registration restrictions apply: Must meet US Nexus Requirement (US citizen, resident, or entity).
To search for who owns a specific domain registered under this extension, you can perform a live query in our WHOIS portal above. The registry operator database will respond in real time with server details, domain status codes, registration/expiry dates, and name server arrays.