cock.li is a disposable email domain

cock.li 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": "cock.li",
    "base_domain": "cock.li",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x2",
    "risk": 93,
    "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": "mx2.cock.li",
    "mx_ip": "37.120.193.125",
    "mx_info": "Using MX pointer mx1.cock.li from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx2.cock.li",
        "mx1.cock.li"
    ],
    "mx_ips": [
        "37.120.193.125"
    ],
    "mx_priorities": {
        "mx1.cock.li": 10,
        "mx2.cock.li": 20
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2020-04-18T16:42:52+00:00"
}