Is tetra.co.kr valid?

How to block tetra.co.kr invalid e-mail domain

Domain: tetra.co.kr

Valid: Yes, but should be blocked

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

Tested MX: mail.h-email.net (5.161.194.135)

Using MX pointer mail.h-email.net from DNS with priority: 5

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:
DO NOT SCRAPE THIS DATA, USE THE API

Heuristics: BM1

 

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tetra.co.kr

Status: Should be blocked

 

DOMAIN RISK: 95

 

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