fosby.co is a disposable email domain

fosby.co is a disposable temp email domain from temp-mail.org 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": "fosby.co",
    "base_domain": "fosby.co",
    "text": "Should be blocked",
    "reason": "Heuristics: BP1",
    "risk": 100,
    "is_disposable": true,
    "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": "mail.eye-mail.net",
    "mx_ip": "65.109.161.215",
    "mx_info": "Using MX pointer mail.eye-mail.net from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.eye-mail.net"
    ],
    "mx_ips": [
        "65.109.161.215",
        "164.90.194.37"
    ],
    "mx_priorities": {
        "mail.eye-mail.net": 1
    },
    "email_provider": null,
    "disposable_provider": "temp-mail.org",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-08-18T18:43:13+00:00"
}