Is dff3.com valid?

How to block dff3.com invalid e-mail domain

Domain: dff3.com

Valid: Yes, but should be blocked

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

Tested MX: dff3.com (54.209.32.212)

No MX-pointer in DNS record. Using domain: dff3.com

Block: Yes

You should block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:
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Anomalies detected

 

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dff3.com

Status: Highly suspicious

 

DOMAIN RISK: 45

 

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