General
- Extension
- .cu
- Type
- Country-code extension
- Meaning
- Cuba
- Registry
- CENIAInternet
- Registry website
- www.nic.cu
- Registered since
- 3 June 1992
Properties
- DNSSEC signed
- no
- Name servers
- 6 (4 with IPv6)
- WHOIS server
- -
- RDAP server
- none reported to IANA
- At 1blu
- on request via kissdomain
Registration conditions
The registration conditions for this extension are set by the responsible registry. The current rules are on its website: www.nic.cu.
Sources: Registry CENIAInternet · IANA Root Zone Database: .cu · As of 25 October 2026