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“WHOIS” is an online directory service that allows people to look up information about domain names in Canada.

Find details like these during your WHOIS lookup:

  • Status (meaning if a domain is available or registered)
  • Creation, expiry and updated dates
  • Registrar information
  • Registrant information*
  • Who owns the domain
  • Administrative, Technical and Billing Contacts*

*The registrant name, along with administrative and technical contact information of non-individual registrants, like corporations, is displayed by default. The registrant name, along with administrative and technical contact information of individuals, meaning Canadian citizens or permanent residents, isn’t displayed in WHOIS.

How do I contact a registrant?

If you wish to contact a registrant whose information is not displayed in WHOIS, you may use the online Message Delivery form which will allow CIRA to send a message to a domain registrant on your behalf maintaining their anonymity.

Contact a registrant
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