Is 1main.cf valid?

How to block 1main.cf invalid e-mail domain

Domain: 1main.cf

Valid: Yes, but should be blocked

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

Tested MX: 1main.cf (195.20.51.104)
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No MX-pointer in DNS record. Using domain: 1main.cf

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:

Anomalies detected

 

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1main.cf

Status: Highly suspicious

 

DOMAIN RISK: 99

 

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