kotsu01.info is a disposable email domain

kotsu01.info is a disposable temp email domain 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": "kotsu01.info",
    "base_domain": "kotsu01.info",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x3",
    "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": true,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx1.kotsu01.info",
    "mx_ip": "77.74.177.73",
    "mx_info": "Using MX pointer mx1.kotsu01.info from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx1.kotsu01.info",
        "mx2.kotsu01.info"
    ],
    "mx_ips": [
        "77.74.177.73"
    ],
    "mx_priorities": {
        "mx1.kotsu01.info": 10,
        "mx2.kotsu01.info": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2020-04-22T15:47:44+00:00"
}