Is crystalcleaning.biz valid?

crystalcleaning.biz 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": "crystalcleaning.biz",
    "base_domain": "crystalcleaning.biz",
    "text": "Looks somewhat suspicious",
    "reason": "Some anomalies detected",
    "risk": 45,
    "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": "mail.crystalcleaning.biz",
    "mx_ip": "91.236.131.72",
    "mx_info": "Using MX pointer mail.crystalcleaning.biz from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mail.crystalcleaning.biz"
    ],
    "mx_ips": [
        "91.236.131.72"
    ],
    "mx_priorities": {
        "mail.crystalcleaning.biz": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 227,
    "domain_created_at": "2026-01-19T00:00:00+00:00",
    "block_status_changed_at": "2026-08-29T01:50:07+00:00"
}