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    • .cr

    Country-code top-level domainsDNSSEC

    Overview

    • .cr is the country-code top-level domain (ccTLD) assigned to Costa Rica.
    • Introduced on 10 September 1990.
    • Managed by NIC-Internet Costa Rica (dominios.cr / nic.cr) and sponsored by the Academia Nacional de Ciencias (National Academy of Sciences).
    • Registrations are available directly at the second level or at the third level beneath several designated second-level labels.
    • DNSSEC is supported. Registered domains exceeded 22,000 (data from 2017).

    History

    • Implemented/introduced: 10 September 1990.
    • Registry/operator: NIC-Internet Costa Rica under the oversight/sponsorship of the Academia Nacional de Ciencias.

    Usage and Audience

    • Intended use: entities connected with Costa Rica (individuals, organizations, businesses, government, and institutions).
    • Common second-level domains and typical audiences:
      • .ac.cr — academic institutions (universities, research centers)
      • .co.cr — commercial entities and businesses
      • .ed.cr — education (schools, colleges, authorized educational centers)
      • .fi.cr — financial institutions (banks and regulated financial entities)
      • .go.cr — government sector (exclusive to government bodies)
      • .or.cr — non-profit and voluntary organizations
      • .sa.cr — health sector institutions
      • .cr — general/other uses

    Registration Rules

    • Eligibility:

      • Individuals or legal entities domiciled in Costa Rica or abroad may apply for domain registration.
      • Specific eligibility and documentation requirements vary by second-level label (e.g., .ac.cr, .ed.cr, .fi.cr, .go.cr, .or.cr, .sa.cr).

    • Reserved terms and name protections (examples):

      • Names that match one of the defined .cr category labels are reserved.
      • Names that match a generic top-level domain name or commonly used Internet/technical terms may be reserved.
      • Personal domain names composed exclusively of surnames or combinations of given names and surnames must have a direct relationship with the applicant.

    • Second-level/third-level specifics:

      • Some SLDs are restricted (e.g., .go.cr exclusively for government). Public institutions may receive certain SLDs free of charge.
      • Entities abroad may register third-level names under .ac.cr, .ed.cr, .fi.cr, .or.cr, .sa.cr if they have a branch or representation in Costa Rica.

    • Technical and formatting rules:

      • Maximum length: 63 characters per label.
      • Allowed characters: letters A–Z (English alphabet), digits 0–9, and the hyphen (-).
      • Domain names must not begin or end with a hyphen, nor contain two consecutive hyphens.

    • Registration process:

      • Domains can be registered directly through the registry (NIC Costa Rica / dominios.cr) or via accredited registrars.

    Operator

    National Academy of Sciences (Academia Nacional de Ciencias)

    Whois

    % IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       CR

organisation: National Academy of Sciences (Academia Nacional de Ciencias)
address:      San Pedro Montes de Oca
address:      San José 1367-2050
address:      Costa Rica

contact:      administrative
name:         Guy F. de Teramond
organisation: National Academy of Sciences
organisation: Academia Nacional de Ciencias
address:      San Pedro Montes de Oca
address:      San José 1367-2050
address:      Costa Rica
phone:        +506 2283 4814
fax-no:       +506 2283 4101
e-mail:       gdt@ns.cr

contact:      technical
name:         Ricardo Samper Jimenez
organisation: National Academy of Sciences Academia Nacional de Ciencias
address:      Barrio Francisco Peralta, de la Casa Italia 100 metros al oeste y 15 metros sur
address:      San José 1367-2050
address:      Costa Rica
phone:        +506 2280-6453
fax-no:       +506 2280-5261
e-mail:       rsamper@nic.cr

nserver:      A.LACTLD.ORG 200.0.68.10 2801:14:a000:0:0:0:0:10
nserver:      CA1.NIC.CR 185.159.197.100 2620:10a:80aa:0:0:0:0:100
nserver:      CA2.NIC.CR 185.159.198.100 2620:10a:80ab:0:0:0:0:100
nserver:      DE.NIC.CR 194.0.11.107 2001:678:e:107:0:0:0:53
nserver:      DNS.NIC.CR 200.107.82.100 2001:13c7:7004:1:0:0:0:d100
nserver:      P.NIC.CR 2001:500:14:6089:ad:0:0:1 204.61.216.89
ds-rdata:     58628 13 2 774366be4cb919e7a17116beac78e6b2aff1c87cbf0462a17e9b03cede12daae
ds-rdata:     58628 13 4 e574f2fc644d92a320775c9c5083166c5a6305652762a62f859405ff64fa61db503221c353d3be30f082e6e65c9e75c4

whois:        whois.nic.cr

status:       ACTIVE
remarks:      Registration information: http://www.nic.cr/

created:      1990-09-10
changed:      2025-08-22
source:       IANA

    Registrars