Is williamro.se valid?

Domain: williamro.se

Valid: Yes

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

Tested MX: mail.protonmail.ch (176.119.200.128)

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Using MX pointer mail.protonmail.ch 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:

Heuristics: WM1

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