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HomeTLDs.ca
DelegatedIANA root zone

.ca

Country-code top-level domain

A source-linked reference record for .ca, combining IANA delegation data with registry metadata.

Registry website View IANA record
RegistryCanadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)
IANA typeccTLD
Registered1987-05-14
DNSSECNot determined
Overview

About .ca

IANA

.ca is listed by IANA as a country-code top-level domain. The sponsoring organisation shown in the IANA delegation record is Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI).

Policy and eligibility are deliberately not inferred from the string name. Registration rules should be taken from the registry and its official documentation.

ccTLD Delegated
Sponsoring organisation
Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)
Registry website
http://www.cira.ca/
WHOIS
whois.cira.ca
Registration date
1987-05-14
IANA last update
2026-08-04
Technical information

DNS and protocol details

Root-level delegation and protocol endpoints surfaced without hiding the source.

Authoritative nameservers

Published in the IANA delegation record.

any.ca-servers.ca199.4.144.2 · 2001:500:a7:0:0:0:0:2
c.ca-servers.ca185.159.196.2 · 2620:10a:8053:0:0:0:0:2
d.ca-servers.ca45.142.220.101 · 2a0e:dbc0:0:0:0:0:0:101
j.ca-servers.ca198.182.167.1 · 2001:500:83:0:0:0:0:1
Delegation history

Record timeline

Only milestones that can be tied directly to official records are shown.

  1. IANA Report on Request for Redelegation of .CA Top-Level Domain
  2. IANA registration date

    Registration date shown in the IANA delegation record.

  3. IANA record last updated

    Latest update date displayed by the IANA delegation record.

Sources

Official records

This page keeps operational facts attached to their original source.

IANADelegation record IANA / InterNICAuthoritative root zone RegistryRegistration services
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