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IANA Root Zone
.CU
Country-code top-level domain
Delegated
Delegation Record for .CU managed by CENIAInternet.
Registered: 1992-06-03
Updated: 2026-05-14
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Check real-time registration status or inspect full WHOIS & RDAP records for any .cu domain.
WHOIS Server
Not Specified
RDAP Endpoint
Not Configured
Registry ServicesOfficial Website
Authoritative NS
6 Servers
Registry Contacts & Delegation Record
Sponsoring Organisation
CENIAInternet
Industria y San Jose
Capitolio Nacional
La Habana CP 10200
Cuba
Administrative Contact
CU-DOM Administrative Contact
CENIAInternet
Industria y San Jose
Capitolio Nacional
La Habana CP 10200
Cuba
Email: cu-admin@ceniai.inf.cu
Voice: +537 2069380
Fax: +537 2048202
Technical Contact
CU-DOM Technical Contact
CENIAInternet
Industria y San Jose
Capitolio Nacional
La Habana CP 10200
Cuba
Email: cu-tech@ceniai.inf.cu
Voice: +537 8620377
Fax: +537 2048202
Authoritative Name Servers (6)
| Host Name | IP Address(es) |
|---|---|
| cu.cctld.authdns.ripe.net | 193.0.9.702a13:27c0:30:0:0:0:0:70 |
| ns.ceniai.net.cu | 169.158.128.1362001:1340:1:128:0:0:0:136 |
| ns.dns.br | 200.160.0.52001:12ff:0:a20:0:0:0:5 |
| ns2.ceniai.net.cu | 169.158.128.88 |
| ns2.gip.net | 204.59.1.222 |
| rip.psg.com | 147.28.0.392001:418:1:0:0:0:0:39 |
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