Is marlin1.it valid?

marlin1.it

marlin1.it is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt for some reason.

The best way to detect and block domains like marlin1.it is to use the Check-Mail API, available for free, for all programming languages.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "disposable": false,
    "email_forwarder": false,
    "domain": "marlin1.it",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 95,
    "mx_host": "mx.marlin1.it",
    "possible_typo": [],
    "mx_ip": "62.149.128.151",
    "mx_info": "Using MX pointer mx.marlin1.it from DNS with priority: 10",
    "last_changed_at": "2026-03-20T02:27:46+00:00"
}