MailSure

Is western.ca a valid email domain?

Organisation domainChecked 2026-11-06

western.ca can receive email. It publishes 1 mail server, run by Microsoft (Outlook or Microsoft 365), and the first choice is western-ca.mail.protection.outlook.com.

It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.

SPF is published and ends with ~all. No DMARC policy was found.

Check an email address at western.ca

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MX records (Microsoft (Outlook or Microsoft 365))

PriorityMail serverResolves to
1western-ca.mail.protection.outlook.com52.101.190.3, 52.101.192.0

SPF

Record published

v=spf1 include:spf.protection.outlook.com ip4:51.161.84.13 include:sendgrid.net ip4:20.157.113.59 ~all

DMARC

No record found

Disposable?

No, not on our disposable list.

Free provider?

No, not a known free provider.

What this means for your email list

What this means for addresses at this domain

Mail routing for western.ca is healthy, so the domain is not the risk. The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers. A mailbox-level check tells you which addresses are safe to send to.

Sender authentication

western.ca has no DMARC policy, so receivers have no instruction on what to do with mail that fails authentication. Large mailbox providers now expect bulk senders to publish one.

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Frequently asked questions

Is western.ca a valid email domain?
Yes. western.ca publishes 1 MX record and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is western.ca a disposable email domain?
No. western.ca is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
What are the MX records for western.ca?
western-ca.mail.protection.outlook.com (priority 1).
Does western.ca have SPF and DMARC?
SPF: yes, ending ~all. DMARC: no record found.

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