Is edu.zsb1.poznan.pl valid?

Domain: edu.zsb1.poznan.pl

Valid: Yes

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

Tested MX: alt2.aspmx.l.google.com (64.233.184.26)

Using MX pointer alt2.aspmx.l.google.com from DNS with priority: 5

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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:

Some anomalies detected

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