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Domain footprint: harvard.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: 192.0.66.20 → Automattic, Inc
Mail: mx0a-00171101.pphosted.com → Proofpoint, Inc. · mx0b-00171101.pphosted.com → Proofpoint, Inc.
SPF sends via: %{i}._ip.%{h}._ehlo.%{d}._spf.vali.email · spf.mailjet.com

Separately, 12 organisations whose name resembles “harvard.edu” — these may be unrelated to the domain above.

  1. HARVARD INTERNATIONAL LIMITED 3 netblocks · United Kingdom Verified company
  2. Harvard University 30 netblocks · ARIN registry Routing
  3. Harvard-Westlake School 9 netblocks · ARIN registry Routing
  4. Harvard Business School 3 netblocks Routing
  5. FASTWEB-HARVARD 2 netblocks · Switzerland Routing
  6. N4-DRY-CF-HARVARD 2 netblocks · RIPE registry Routing
  7. Harvard Cooperative Society 1 netblock · ARIN registry Routing
  8. ALBA-PLC---HARVARD-INTERNATIONAL 1 netblock · RIPE registry Routing
  9. FASTWEB-THE_PRESIDENT_AND_FELLOWS_OF_HARVARD_COLLEGE_-_VIL 1 netblock · Switzerland Routing
  10. Harvard Square Software 1 netblock · ARIN registry Routing
  11. Harvard Pilgrim Health Care, Inc. 1 netblock · ARIN registry Routing
  12. Harvard Maritime Ltd 1 netblock · APNIC registry Registry