Is m4rk.pro valid?

Domain: m4rk.pro

Valid: Yes

This domain is valid and should be able to receive e-mail.

Tested MX: mx1.simplelogin.co (185.205.70.136)

Using MX pointer mx1.simplelogin.co from DNS with priority: 10

Block: No

You do not need to block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:

Forwarding service

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