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passfwd.com is a relay domain

@passfwd.com is not an actual email address.

This domain is used for privacy email addresses. These are just a way to hide your real email address.

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Where is this email from?

It's from proton.me, an email forwarding service.

DNS Details for passfwd.com

A record

104.21.51.19

MX records

Hostname
IP
mx1.simplelogin.co 176.119.200.136 mx2.simplelogin.co 176.119.200.136