mailfirst.icu is a disposable email domain

mailfirst.icu 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": "mailfirst.icu",
    "base_domain": "mailfirst.icu",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x5",
    "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": "mail.mailfirst.icu",
    "mx_ip": "198.199.65.120",
    "mx_info": "Using MX pointer mail.mailfirst.icu from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.mailfirst.icu"
    ],
    "mx_ips": [
        "198.199.65.120"
    ],
    "mx_priorities": {
        "mail.mailfirst.icu": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 2657,
    "domain_created_at": "2019-01-25T00:00:00+00:00",
    "block_status_changed_at": "2020-04-22T15:43:09+00:00"
}