Is 3xb.dpdns.org valid?

Domain: 3xb.dpdns.org

Valid: Yes

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

Tested MX: route2.mx.cloudflare.net (162.159.205.18)

Using MX pointer route2.mx.cloudflare.net from DNS with priority: 2

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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