Is kelderhuis.com valid?

kelderhuis.com is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "kelderhuis.com",
    "base_domain": "kelderhuis.com",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 100,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": true,
    "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": "ASPMX.L.GOOGLE.com",
    "mx_ip": "142.251.168.27",
    "mx_info": "Using MX pointer ASPMX.L.GOOGLE.com from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "ASPMX.L.GOOGLE.com",
        "ALT4.ASPMX.L.GOOGLE.com",
        "ALT2.ASPMX.L.GOOGLE.com",
        "ALT1.ASPMX.L.GOOGLE.com",
        "ALT3.ASPMX.L.GOOGLE.com"
    ],
    "mx_ips": [
        "142.251.168.27",
        "192.178.158.27",
        "192.178.213.27",
        "142.250.102.27",
        "192.178.211.26"
    ],
    "mx_priorities": {
        "ASPMX.L.GOOGLE.com": 1,
        "ALT1.ASPMX.L.GOOGLE.com": 5,
        "ALT2.ASPMX.L.GOOGLE.com": 5,
        "ALT3.ASPMX.L.GOOGLE.com": 10,
        "ALT4.ASPMX.L.GOOGLE.com": 10
    },
    "email_provider": "Google Workspace",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 6581,
    "domain_created_at": "2008-07-06T00:00:00+00:00",
    "block_status_changed_at": "2026-03-27T09:49:39+00:00"
}