Is mailfirst.icu valid?

How to block mailfirst.icu disposable temporary e-mail domain

Domain: mailfirst.icu

Valid: Yes, but should be blocked

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

Tested MX: mail.mailfirst.icu (198.199.65.120)
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Using MX pointer mail.mailfirst.icu from DNS with priority: 10

Block: Yes

You should block this domain for signups/registrations.

Disposable: Yes

This looks like a temporary/disposable e-mail domain.

Detection method: Blacklist

This domain is specifically blacklisted. There are also multiple heuristics to automatically flag new domains in real-time.

Raw API reason:
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Blacklist

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mailfirst.icu

Status: Blacklisted domain

 

DOMAIN RISK: 99

 

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