js.cyberstrategists.org is a disposable email domain

js.cyberstrategists.org 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": "js.cyberstrategists.org",
    "base_domain": "cyberstrategists.org",
    "text": "Disposable or temporary email 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.js.cyberstrategists.org",
    "mx_ip": "34.205.215.147",
    "mx_info": "Using MX pointer mail.js.cyberstrategists.org from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.js.cyberstrategists.org"
    ],
    "mx_ips": [
        "34.205.215.147"
    ],
    "mx_priorities": {
        "mail.js.cyberstrategists.org": 1
    },
    "email_provider": null,
    "disposable_provider": "Burp Collaborator",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-10-08T20:53:37+00:00"
}