Is sad4.com valid?

sad4.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": "sad4.com",
    "base_domain": "sad4.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": "mail-relay.msln.net",
    "mx_ip": "130.111.32.24",
    "mx_info": "Using MX pointer mail-relay.msln.net from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mail-relay.msln.net"
    ],
    "mx_ips": [
        "130.111.32.24",
        "130.111.32.59"
    ],
    "mx_priorities": {
        "mail-relay.msln.net": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 9789,
    "domain_created_at": "1999-09-28T00:00:00+00:00",
    "block_status_changed_at": "2021-04-03T05:20:37+00:00"
}