Is aachen.de valid?

Domain: aachen.de

Valid: Yes

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

Tested MX: mail10.regioit-aachen.de (91.102.136.170)

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Using MX pointer mail10.regioit-aachen.de 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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