kkweb.io.vn is a disposable email domain

kkweb.io.vn is a disposable temp email domain from yopmail.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": "kkweb.io.vn",
    "base_domain": "kkweb.io.vn",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x1",
    "risk": 91,
    "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": null,
    "is_role_based_email": false,
    "mx_host": "smtp.yopmail.com",
    "mx_ip": "87.98.164.155",
    "mx_info": "Using MX pointer smtp.yopmail.com from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "smtp.yopmail.com"
    ],
    "mx_ips": [
        "87.98.164.155"
    ],
    "mx_priorities": {
        "smtp.yopmail.com": 1
    },
    "email_provider": null,
    "disposable_provider": "yopmail.com",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-09-30T12:10:49+00:00"
}