.ca domain lookup
Country code extension (ccTLD) for Canada.
Technical details
- Type
- ccTLD
- Registry
- Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)
- WHOIS server (port 43)
- whois.cira.ca
- RDAP endpoint
- https://rdap.ca.fury.ca/rdap/
- Added to the root zone
- May 14, 1987
- IANA record last changed
- Aug 4, 2026
IANA data: Oct 6, 2026
What does the registry publish?
Based on the record of google.ca (RDAP, Oct 6, 2026):
- Registrar: published
- Creation date: published
- Last update: published
- Expiry date: published
- Status codes: published
- Name servers: published
- DNSSEC: published
- Registrant: published
- Abuse contact: published
Status codes in the sample record
- clientDeleteProhibited
- clientTransferProhibited
- clientUpdateProhibited
- serverDeleteProhibited
- serverTransferProhibited
- serverUpdateProhibited
What happens when a domain expires?
For country code extensions the periods depend on the registry. See the .ca registry's rules for exact durations.
Questions about .ca
›What is the .ca whois server?
The port 43 WHOIS server for .ca is whois.cira.ca.
›Does .ca support RDAP?
Yes. RDAP endpoint: https://rdap.ca.fury.ca/rdap/
›How do I find when a .ca domain expires?
Type the domain in the box above; if the registry publishes the expiry date, the whois card shows it along with the days left.
›Can I see who owns a .ca domain?
According to our sample check this registry publishes some registrant data (such as the organisation name); personal data is usually redacted.