Is propertycastle.com valid?

How to block propertycastle.com invalid e-mail domain

Domain: propertycastle.com

Valid: Yes, but should be blocked

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

Tested MX: mail.propertycastle.com (132.148.75.13)

Using MX pointer mail.propertycastle.com from DNS with priority: 0

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:
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Heuristics: T1

 

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propertycastle.com

Status: Looks somewhat suspicious

 

DOMAIN RISK: 55

 

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