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IANA Root Zone
.US
Country-code top-level domain
Delegated
Delegation Record for .US managed by Registry Services, LLC.
Registered: 1985-02-15
Updated: 2024-08-29
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WHOIS Server
whois.nic.us
RDAP Endpoint
Not Configured
Registry ServicesOfficial Website
Authoritative NS
8 Servers
Registry Contacts & Delegation Record
Sponsoring Organisation
Registry Services, LLC
100 S. Mill Ave, Suite 1600
Tempe AZ 85281
United States of America (the)
Administrative Contact
IANA Contact
Registry Services, LLC
100 S. Mill Ave, Suite 1600
Tempe AZ 85281
United States of America (the)
Email: iana@about.us
Voice: +1 480 505 8800
Fax: +1 480 393 4275
Technical Contact
IANA Contact
Registry Services, LLC
100 S. Mill Ave, Suite 1600
Tempe AZ 85281
United States of America (the)
Email: iana@about.us
Voice: +1 480 505 8800
Fax: +1 480 393 4275
Authoritative Name Servers (8)
| Host Name | IP Address(es) |
|---|---|
| b.cctld.us | 156.154.125.702001:502:ad09:0:0:0:0:29 |
| f.cctld.us | 209.173.58.702001:500:3682:0:0:0:0:11 |
| k.cctld.us | 156.154.128.702001:503:e239:0:0:0:3:1 |
| m.cctld.us | 204.74.105.12610:a1:3180:0:0:0:0:53 |
| n.cctld.us | 204.74.107.12610:a1:3280:0:0:0:0:53 |
| w.cctld.us | 37.209.192.152001:dcd:1:0:0:0:0:15 |
| x.cctld.us | 37.209.194.152001:dcd:2:0:0:0:0:15 |
| y.cctld.us | 37.209.196.152001:dcd:3:0:0:0:0:15 |
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