.us TLD information
Registry, RDAP server, WHOIS server, DNSSEC and IDN support for .us.
Overview
- TLD
- .us
- Type
- ccTLD
- IDN TLD
- Not supported
- Registry
- Registry Services, LLC
- Country
- United States
- Registration start date
- 1985-02-15
- DNSSEC
- Enabled
- RDAP server
- —
- WHOIS server
- whois.nic.us
General registration information
Eligibility
- Registration category
- Restricted registration
- Individual registration
- Supported
- Organization registration
- Supported
- Local address requirement
- Unknown
- Local entity/agent requirement
- No
- Trademark requirement
- No
Length & IDN support
- Allowed length (ASCII letters, digits and hyphens)
- Unknown
- IDN registration
- Not supported
- Allowed length (IDN)
- -
Second-level registration categories
Unknown
.us domain power ranking
| Rank | Change | Domain | Power Rank | Referring Domains |
|---|---|---|---|---|
| 1 | － | zoom.us | 86.5 | 373,201 |
| 2 | ▲ 1 | state.tx.us | 73.9 | 22,536 |
| 3 | ▲ 1 | state.mn.us | 73.3 | 30,821 |
| 4 | ▲ 5 | geni.us | 71.9 | 11,447 |
| 5 | － | icio.us | 71.9 | 26,434 |
| 6 | － | imageshack.us | 71.3 | 40,960 |
| 7 | － | state.nj.us | 70.8 | 18,165 |
| 8 | － | state.fl.us | 70.7 | 20,897 |
| 9 | ▲ 7 | shopmy.us | 70.2 | 7,862 |
| 10 | ▲ 1 | mastercard.us | 70.2 | 9,985 |
Related TLDs
Frequently asked questions
- What is the difference between a gTLD and a ccTLD?
- gTLDs are generic top-level domains, while ccTLDs are assigned to countries or territories. Eligibility rules differ per TLD.
- What does DNSSEC support mean?
- It means the TLD supports DNSSEC signing. Whether it is actually enabled depends on each domain's configuration.
- Is this information up to date?
- TLD and registry information is sourced from public data such as IANA. Eligibility rules can change, so please also check each registry's official information for the latest details.