Mailbox provider
Microsoft 365 US Gov MX records
Microsoft 365 US Gov is a mailbox provider. Type any domain below to see if its email runs through Microsoft 365 US Gov.
Provider profile
Microsoft 365 US Gov
Microsoft 365 US Gov MX records end in .mail.protection.office365.us. Microsoft 365 US Gov 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.office365.us
Other mailbox providers
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