Is alumni.usp.br valid?

alumni.usp.br 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": "alumni.usp.br",
    "base_domain": "usp.br",
    "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": "ASPMX2.GOOGLEMAIL.COM",
    "mx_ip": "172.253.152.27",
    "mx_info": "Using MX pointer aspmx.l.google.com from DNS with priority: 1",
    "mx_fallback": false,
    "mx_hosts": [
        "ASPMX2.GOOGLEMAIL.COM",
        "ASPMX3.GOOGLEMAIL.COM",
        "ASPMX.L.GOOGLE.COM",
        "ALT1.ASPMX.L.GOOGLE.COM",
        "ALT2.ASPMX.L.GOOGLE.COM"
    ],
    "mx_ips": [
        "172.253.152.27",
        "192.178.211.27",
        "142.250.147.26",
        "192.178.211.26",
        "172.253.158.26"
    ],
    "mx_priorities": {
        "ASPMX.L.GOOGLE.COM": 1,
        "ASPMX2.GOOGLEMAIL.COM": 10,
        "ASPMX3.GOOGLEMAIL.COM": 10,
        "ALT1.ASPMX.L.GOOGLE.COM": 5,
        "ALT2.ASPMX.L.GOOGLE.COM": 5
    },
    "email_provider": "Google Workspace",
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2020-05-18T12:30:18+00:00"
}