Is siis.com valid?

How to block siis.com invalid e-mail domain

Domain: siis.com

Valid: Yes, but should be blocked

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

Tested MX: siis.com (35.186.238.101)

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

Block: Yes

You should 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:

Anomalies detected

 

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siis.com

Status: Highly suspicious

 

DOMAIN RISK: 85

 

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