Is zero-k.info valid?

zero-k.info 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.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "zero-k.info",
    "base_domain": "zero-k.info",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 75,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": false,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "zero-k.info",
    "mx_ip": "149.56.22.68",
    "mx_info": "No MX-pointer in DNS record. Using domain: zero-k.info",
    "mx_fallback": true,
    "mx_hosts": [
        "zero-k.info"
    ],
    "mx_ips": [
        "149.56.22.68"
    ],
    "mx_priorities": {
        "zero-k.info": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-07-28T15:52:03+00:00"
}