4533.top is a disposable email domain

4533.top 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": "4533.top",
    "base_domain": "4533.top",
    "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": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "4533.top",
    "mx_ip": "156.234.226.122",
    "mx_info": "No MX-pointer in DNS record. Using domain: 4533.top",
    "mx_fallback": true,
    "mx_hosts": [
        "4533.top"
    ],
    "mx_ips": [
        "156.234.226.122"
    ],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 243,
    "domain_created_at": "2025-09-05T00:00:00+00:00",
    "block_status_changed_at": "2020-04-22T15:52:25+00:00"
}