picuki.app is a disposable email domain

picuki.app is a disposable temp email domain from on4t.com 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": "picuki.app",
    "base_domain": "picuki.app",
    "text": "Disposable \/ temporary domain",
    "reason": "Disposable",
    "risk": 91,
    "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.picuki.app",
    "mx_ip": "51.91.100.233",
    "mx_info": "Using MX pointer mail.picuki.app from DNS with priority: 5",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.picuki.app"
    ],
    "mx_ips": [
        "51.91.100.233"
    ],
    "mx_priorities": {
        "mail.picuki.app": 5
    },
    "email_provider": null,
    "disposable_provider": "on4t.com",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-06-01T12:57:08+00:00"
}