187c1ph1vkf2lb5jsnokvq8ktbz2ntbi.oastify.com is a disposable email domain

187c1ph1vkf2lb5jsnokvq8ktbz2ntbi.oastify.com is a disposable temp email domain from Burp Collaborator 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": "187c1ph1vkf2lb5jsnokvq8ktbz2ntbi.oastify.com",
    "base_domain": "oastify.com",
    "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": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "187c1ph1vkf2lb5jsnokvq8ktbz2ntbi.oastify.com",
    "mx_ip": "3.248.33.252",
    "mx_info": "No MX-pointer in DNS record. Using domain: 187c1ph1vkf2lb5jsnokvq8ktbz2ntbi.oastify.com",
    "mx_fallback": true,
    "mx_hosts": [],
    "mx_ips": [],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": "Burp Collaborator",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-03-03T00:18:22+00:00"
}