Is qrtz.com valid?

qrtz.com 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": "qrtz.com",
    "base_domain": "qrtz.com",
    "text": "Looks okay",
    "reason": "Heuristics: WM1",
    "risk": 10,
    "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": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "qrtz-com.p40.spamhero.net",
    "mx_ip": "209.41.68.130",
    "mx_info": "Using MX pointer qrtz-com.p40.spamhero.net from DNS with priority: 40",
    "mx_fallback": false,
    "mx_hosts": [
        "qrtz-com.p40.spamhero.net",
        "qrtz-com.p20.spamhero.net",
        "qrtz-com.p10.spamhero.com",
        "qrtz-com.p30.spamhero.net"
    ],
    "mx_ips": [
        "209.41.68.130",
        "216.172.106.23"
    ],
    "mx_priorities": {
        "qrtz-com.p10.spamhero.com": 10,
        "qrtz-com.p20.spamhero.net": 20,
        "qrtz-com.p30.spamhero.net": 30,
        "qrtz-com.p40.spamhero.net": 40
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 11178,
    "domain_created_at": "1995-11-13T00:00:00+00:00",
    "block_status_changed_at": "2021-11-28T04:16:45+00:00"
}