General
- Extension
- .ca
- Type
- Country-code extension
- Meaning
- Canada
- Registry
- Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)
- Registry website
- www.cira.ca
- Registered since
- 14 May 1987
Properties
- DNSSEC signed
- yes
- Name servers
- 4 (4 with IPv6)
- WHOIS server
- whois.cira.ca
- RDAP server
- rdap.ca.fury.ca/rdap
- At 1blu
- on request via kissdomain
Registration conditions
- Who may register?
- Only with a connection to Canada, e.g. citizens, permanent residents, Canadian companies, associations, educational institutions, Indigenous peoples and authorities. Owners of a trademark registered in Canada only for the trademark name.
- Length
- 2 to 63 characters.
- Characters
- Letters, digits and hyphen. No hyphen at the beginning or end.
- Registrant data
- True, complete, accurate and not misleading details, which the registrar passes on to CIRA. The registrant must accept CIRA's Registrant Agreement.
- Transfer
- Via auth code (auth/EPP code): the current registrar must provide it within 5 days. The domain must be unlocked and registered or last transferred more than 60 days ago; after a transfer a 60-day lock applies again. If the code does not arrive, CIRA can help.
The registry's current rules are binding: www.cira.ca.
Sources: CIRA: Canadian Presence Requirements for Registrants · CIRA: General Registration Rules · CIRA: How to transfer domains · IANA Root Zone Database: .ca · As of 28 October 2026
Related extensions
No related extensions on offer.