.ca
.ca is a country-code extension for Canada, run by Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI). Registrants must meet the Canadian Presence Requirements: Canadian citizens, residents, organisations and holders of Canadian trademarks.
| Type | Country code |
|---|---|
| Registry operator | Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI) |
| Country | Canada |
| Who can register | Rules apply Registrants must meet the Canadian Presence Requirements: Canadian citizens, residents, organisations and holders of Canadian trademarks. |
| DNSSEC | Signed |
| RDAP server | https://rdap.ca.fury.ca/rdap/ |
| WHOIS server | whois.cira.ca |
| IANA record | iana.org/domains/root/db/ca |
Registrars that sell .ca
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All 38 registrars for .ca. Other registrars may sell it too.
Look up a .ca domain
The .ca registry publishes registration data over RDAP. The free domain report reads it and shows a .ca domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.
New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.
Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.
Frequently asked questions
Who runs the .ca extension?
Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI) is the registry operator for .ca, the country-code extension for Canada. The registry keeps the list of every .ca name; registrars sell the names to the public.
Can anyone register a .ca domain?
Registrants must meet the Canadian Presence Requirements: Canadian citizens, residents, organisations and holders of Canadian trademarks.
How do I look up who owns a .ca domain?
The .ca registry publishes registration data over RDAP at https://rdap.ca.fury.ca/rdap/ and over WHOIS at whois.cira.ca. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .ca signed with DNSSEC?
Yes. The .ca zone is signed, so a .ca domain can turn on DNSSEC once its registrar adds a DS record.