Is b4systems.de valid?

b4systems.de is a valid domain that should be allowed to do sign-ups and registrations. Based on our analysis, you should allow this domain.

Raw API JSON response:

{
    "valid": true,
    "block": false,
    "domain": "b4systems.de",
    "base_domain": "b4systems.de",
    "text": "Looks somewhat suspicious",
    "reason": "Some anomalies detected",
    "risk": 40,
    "is_disposable": false,
    "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": "mx.b4systems.de",
    "mx_ip": "89.163.146.149",
    "mx_info": "Using MX pointer mx.b4systems.de from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.b4systems.de"
    ],
    "mx_ips": [
        "89.163.146.149"
    ],
    "mx_priorities": [],
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2023-03-13T10:25:15+00:00"
}