.ca is the Internet kintra-code tap-level domain (CcTLD) for Canadae. The domain name registry that operates it is the Canadian Internet Registration Authority (CIRA).

TLD typeKintra code top-level domain
RegistryCanadian Internet Registration Authority
SponsorGovrenment o Canadae
Intendit uiseEntities connectit wi
Actual uiseFairly popular in Canadae, where .ca is advantageous when sellin to a Canadian audience in Canadian dollars. Even so, often .com domains remeen preferrit in manufacturing and export trade.
Registered domainsMore than 2.3 million (Q4 2015)[2]
Registration restrictionsThere are Canadian presence requirements for registrants
StructurProvincially registered companies originally haed tae register at third level unner province code, but nou anybody mey register at seicont level
DocumentsOfficial CIRA documents
Dispute policiesCIRA Domain Name Dispute Resolution Policy (CDRP)


  1. "DNSSEC: Securing the domain name system". Canadian Internet Registration Authority.
  2. "Canadian Internet Registration Authority Factbook 2015". Archived frae the oreeginal on 2015-04-09. Retrieved 2015-04-03. Cite uses deprecated parameter |deadurl= (help)