General
- Extension
- .co.cr
- Type
- Second-level extension
- Meaning
- Second-level zone under .cr (Costa Rica)
- Parent extension
- .cr
- Registry
- National Academy of Sciences (Academia Nacional de Ciencias)
- Registry website
- www.nic.cr
- Registered since
- 10 September 1990 (.cr)
Properties
- DNSSEC in the root zone
- .cr: yes
- Name servers
- .cr: 6 (6 with IPv6)
- WHOIS server
- whois.nic.cr
- RDAP server
- rdap.nic.cr
- 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.cr.
Sources: Registry National Academy of Sciences (Academia Nacional de Ciencias) · IANA Root Zone Database: .cr · As of 25 October 2026