Country-code extension

.cr

.cr is the country-code extension for Costa Rica. Registry: National Academy of Sciences (Academia Nacional de Ciencias); registered since 10 September 1990, DNSSEC-signed, available at 1blu on request via kissdomain.

General

Extension
.cr
Type
Country-code extension
Meaning
Costa Rica
Registry
National Academy of Sciences (Academia Nacional de Ciencias)
Registry website
www.nic.cr
Registered since
10 September 1990

Properties

DNSSEC signed
yes
Name servers
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

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