668gu.cn is a disposable email domain

668gu.cn is an invalid domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this invalid domain. If a user is trying to sign-up using an e-mail on this domain, it's likely a typo, or a malicious attempt.

Raw API JSON response:

{
    "valid": false,
    "block": true,
    "domain": "668gu.cn",
    "base_domain": "668gu.cn",
    "text": "Disposable \/ temporary domain",
    "reason": "Disposable",
    "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": false,
    "is_role_based_email": false,
    "mx_host": "domain-us-1.getmx.com",
    "mx_ip": "143.198.236.101",
    "mx_info": "Using MX pointer domain-us-1.getmx.com from DNS with priority: 5",
    "mx_fallback": false,
    "mx_hosts": [
        "domain-us-1.getmx.com"
    ],
    "mx_ips": [
        "143.198.236.101"
    ],
    "mx_priorities": {
        "domain-sg-1.getmx.com": 10,
        "domain-us-1.getmx.com": 5
    },
    "email_provider": null,
    "disposable_provider": "pinmx.com",
    "possible_typo": [],
    "domain_age_days": 530,
    "domain_created_at": "2025-03-26T00:00:00+00:00",
    "block_status_changed_at": "2026-07-21T12:18:13+00:00"
}