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Domain footprint: stsci.edu
Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.
Web:
18.239.236.69 → Amazon Web Services, Inc. ·
18.239.236.109 → Amazon Web Services, Inc. ·
18.239.236.119 → Amazon Web Services, Inc. ·
18.239.236.84 → Amazon Web Services, Inc.
Mail:
mxa-0042ee01.gslb.pphosted.com → Proofpoint, Inc. ·
mxb-0042ee01.gslb.pphosted.com → Proofpoint, Inc.
SPF sends via:
mta-spf.stsci.edu · spf-0042ee01.pphosted.com · spf.protection.outlook.com · app.aventri.com
Separately, 2 organisations whose name resembles “stsci.edu” — these may be unrelated to the domain above.