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Domain footprint: tiaa-cref.org
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:
143.165.40.43 → Teachers Insurance and Annuity Association of America ·
143.165.158.62 → Teachers Insurance and Annuity Association of America
Mail:
tiaacref-org01b.mail.protection.outlook.com → Microsoft Corporation
SPF sends via:
spf-001a3401.pphosted.com · spf-00ac2901.pphosted.com
Separately, 2 organisations whose name resembles “tiaa-cref.org” — these may be unrelated to the domain above.