123.1cooldns.com is a disposable email domain

123.1cooldns.com is a disposable temp email domain from vietxf.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": "123.1cooldns.com",
    "base_domain": "123.1cooldns.com",
    "text": "Disposable or temporary email 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": null,
    "is_role_based_email": false,
    "mx_host": "vietxf.com",
    "mx_ip": "13.140.134.192",
    "mx_info": "Using MX pointer vietxf.com from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "vietxf.com"
    ],
    "mx_ips": [
        "13.140.134.192"
    ],
    "mx_priorities": {
        "vietxf.com": 10
    },
    "email_provider": null,
    "disposable_provider": "vietxf.com",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-09-11T11:56:34+00:00"
}