Is sintezmail.online valid?

sintezmail.online 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": "sintezmail.online",
    "base_domain": "sintezmail.online",
    "text": "Domain is rated high risk",
    "reason": "high_risk",
    "risk": 80,
    "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": true,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx.sintezmail.online",
    "mx_ip": "95.85.248.34",
    "mx_info": "Using MX pointer mx.sintezmail.online from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.sintezmail.online",
        "mx2.sintezmail.online"
    ],
    "mx_ips": [
        "95.85.248.34",
        "77.91.66.112"
    ],
    "mx_priorities": {
        "mx.sintezmail.online": 10,
        "mx2.sintezmail.online": 20
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 57,
    "domain_created_at": "2026-08-14T00:00:00+00:00",
    "block_status_changed_at": "2026-09-18T19:34:48+00:00"
}