mail42.ai is a disposable email domain

mail42.ai is a disposable temp email domain from mail42.ai that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "mail42.ai",
    "base_domain": "mail42.ai",
    "text": "Disposable or temporary email domain",
    "reason": "disposable",
    "risk": 91,
    "is_disposable": true,
    "is_email_forwarder": true,
    "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": "route1.mx.cloudflare.net",
    "mx_ip": "162.159.205.12",
    "mx_info": "Using MX pointer route1.mx.cloudflare.net from DNS with priority: 20",
    "mx_fallback": false,
    "mx_hosts": [
        "route1.mx.cloudflare.net",
        "route3.mx.cloudflare.net",
        "route2.mx.cloudflare.net"
    ],
    "mx_ips": [
        "162.159.205.12",
        "162.159.205.11",
        "162.159.205.13",
        "162.159.205.25",
        "162.159.205.24",
        "162.159.205.23",
        "162.159.205.17",
        "162.159.205.18",
        "162.159.205.19"
    ],
    "mx_priorities": {
        "route1.mx.cloudflare.net": 20,
        "route2.mx.cloudflare.net": 43,
        "route3.mx.cloudflare.net": 34
    },
    "email_provider": "Cloudflare Email Routing",
    "disposable_provider": "mail42.ai",
    "possible_typo": [],
    "domain_age_days": 421,
    "domain_created_at": "2025-08-18T00:00:00+00:00",
    "block_status_changed_at": "2026-10-08T22:05:25+00:00"
}