one-email.online is a disposable email domain

one-email.online is a disposable temp email domain from delpost.ru 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": "one-email.online",
    "base_domain": "one-email.online",
    "text": "Disposable \/ temporary domain",
    "reason": "Heuristics x1",
    "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": true,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx1.hosting.reg.ru",
    "mx_ip": "31.31.194.240",
    "mx_info": "Using MX pointer mx1.hosting.reg.ru from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx1.hosting.reg.ru",
        "mx2.hosting.reg.ru"
    ],
    "mx_ips": [
        "31.31.194.240",
        "31.31.194.241"
    ],
    "mx_priorities": {
        "mx1.hosting.reg.ru": 10,
        "mx2.hosting.reg.ru": 20
    },
    "email_provider": "REG.RU",
    "disposable_provider": "delpost.ru",
    "possible_typo": [],
    "domain_age_days": 182,
    "domain_created_at": "2026-02-27T00:00:00+00:00",
    "block_status_changed_at": "2026-04-13T08:32:41+00:00"
}