Is gsd.harvard.edu valid?

gsd.harvard.edu 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,
    "disposable": false,
    "email_forwarder": false,
    "domain": "gsd.harvard.edu",
    "text": "Looks okay",
    "reason": "Heuristics: WM1",
    "risk": 10,
    "mx_host": "mx0a-00171101.pphosted.com",
    "possible_typo": [],
    "mx_ip": "67.231.148.27",
    "mx_info": "Using MX pointer mx0a-00171101.pphosted.com from DNS with priority: 100",
    "last_changed_at": "2020-05-12T02:27:24+00:00"
}