Mailbox provider
Microsoft 365 MX records
Microsoft 365 is a mailbox provider. Type any domain below to see if its email runs through Microsoft 365.
Provider profile
Microsoft 365
Microsoft 365 MX records end in .mail.protection.outlook.com, .outlook.com, .office365.com. Microsoft 365 is a mailbox provider.
What is a mailbox provider?
A mailbox provider runs the inboxes where people read and send mail. Domains that point their MX records here have their email hosted directly by this service.
MX hostname patterns
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.mail.protection.outlook.com - ·
.outlook.com - ·
.office365.com
Other mailbox providers
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