b3k.email is a disposable email domain

b3k.email is a disposable temp email domain from burnermail.io 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": "b3k.email",
    "base_domain": "b3k.email",
    "text": "Disposable \/ temporary domain",
    "reason": "Disposable",
    "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": "tryninja.io",
    "mx_ip": "23.239.2.211",
    "mx_info": "Using MX pointer tryninja.io from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "tryninja.io"
    ],
    "mx_ips": [
        "23.239.2.211"
    ],
    "mx_priorities": {
        "mx.plingest.com": 10
    },
    "email_provider": null,
    "disposable_provider": "burnermail.io",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2025-03-08T12:07:40+00:00"
}