Is stu.rcusd.org valid?

stu.rcusd.org 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": "stu.rcusd.org",
    "base_domain": "rcusd.org",
    "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": 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": "alt2.aspmx.l.google.com",
    "mx_ip": "192.178.213.26",
    "mx_info": "Using MX pointer alt1.aspmx.l.google.com from DNS with priority: 20",
    "mx_fallback": false,
    "mx_hosts": [
        "alt2.aspmx.l.google.com",
        "aspmx2.googlemail.com",
        "aspmx3.googlemail.com",
        "aspmx.l.google.com",
        "alt1.aspmx.l.google.com"
    ],
    "mx_ips": [
        "192.178.213.26",
        "142.251.127.27",
        "172.253.152.27",
        "142.251.127.26",
        "142.250.147.27"
    ],
    "mx_priorities": {
        "aspmx.l.google.com": 10,
        "aspmx2.googlemail.com": 40,
        "aspmx3.googlemail.com": 50,
        "alt1.aspmx.l.google.com": 20,
        "alt2.aspmx.l.google.com": 30
    },
    "email_provider": "Google Workspace",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2020-06-05T06:28:10+00:00"
}