c3b1xhub.biz.id is a disposable email domain

c3b1xhub.biz.id is a disposable temp email domain from lisensify.com 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": "c3b1xhub.biz.id",
    "base_domain": "c3b1xhub.biz.id",
    "text": "Disposable email provider",
    "reason": "Heuristics: BP3",
    "risk": 90,
    "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.c3b1.web.id",
    "mx_ip": null,
    "mx_info": "Using MX pointer mail.c3b1.web.id from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.c3b1.web.id",
        "mail.lisensify.com"
    ],
    "mx_ips": [
        "38.242.254.87"
    ],
    "mx_priorities": {
        "mail.c3b1.web.id": 10,
        "mail.lisensify.com": 10
    },
    "email_provider": null,
    "disposable_provider": "lisensify.com",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-07-28T15:40:49+00:00"
}