kb1.online is a disposable email domain

kb1.online 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": "kb1.online",
    "base_domain": "kb1.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": "park-mx.above.com",
    "mx_ip": "103.224.212.34",
    "mx_info": "Using MX pointer park-mx.above.com from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "park-mx.above.com"
    ],
    "mx_ips": [
        "103.224.212.34"
    ],
    "mx_priorities": {
        "park-mx.above.com": 10
    },
    "email_provider": "above.com",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 492,
    "domain_created_at": "2025-02-14T00:00:00+00:00",
    "block_status_changed_at": "2023-11-29T08:11:05+00:00"
}