Is portal.nuo.co valid?

How to block portal.nuo.co invalid e-mail domain

Domain: portal.nuo.co

Valid: Yes, but should be blocked

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

Tested MX: portal.nuo.co (199.59.243.225)
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No MX-pointer in DNS record. Using domain: portal.nuo.co

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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portal.nuo.co

Status: Highly suspicious

 

DOMAIN RISK: 65

 

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