Is tf.uni-kiel.de valid?

Domain: tf.uni-kiel.de

Valid: Yes

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

Tested MX: a2001.mx.srv.dfn.de (194.95.232.152)

Using MX pointer a2001.mx.srv.dfn.de from DNS with priority: 50

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.

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Raw API reason:

Heuristics: WM1

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