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Domain footprint: duosecurity.com

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: 52.85.47.22 → Amazon Web Services, Inc. · 52.85.47.68 → Amazon Web Services, Inc. · 52.85.47.5 → Amazon Web Services, Inc. · 52.85.47.75 → Amazon Web Services, Inc.
Mail: aer-mx-01.cisco.com → CISCO SYSTEMS, INC. · alln-mx-01.cisco.com → CISCO SYSTEMS, INC. · rcdn-mx-01.cisco.com → CISCO SYSTEMS, INC.
SPF sends via: _spf.duosecurity.com · _spf2.duosecurity.com · _spf.google.com · mktomail.com · mail.zendesk.com · spf.bananatag.com

Separately, 20 organisations whose name resembles “duosecurity.com” — these may be unrelated to the domain above.

  1. Security Compass Technologies Ltd. 1 netblock · Canada Verified company
  2. CECURITY_COM 4 netblocks · United States Routing
  3. HA-ZZ-SECURITY-COMPANY 2 netblocks · APNIC registry Routing
  4. ZunYi-Security-company 2 netblocks · APNIC registry Routing
  5. SECURITY-COMMITTEE-SUPREME 2 netblocks · RIPE registry Routing
  6. ALLROUND SECURITY COMPANY BV 2 netblocks · RIPE registry Registry
  7. CJ-SECURITY-COMPANY 2 netblocks · APNIC registry Routing
  8. KL-SECURITY-COMPANY 2 netblocks · APNIC registry Routing
  9. KT-SECURITY-COMPANY 2 netblocks · APNIC registry Routing
  10. Saudi-Technology-and-Security-Comprehensive-Control-Co-Ltd-Tahakom 2 netblocks · RIPE registry Routing
  11. SE-NTT-COM-SECURITY-AB-NET 2 netblocks · Norway Routing
  12. TNSE CUST NTT COM SECURITY SWEDEN AB 2 netblocks · RIPE registry Registry
  13. Central Security Communications, Inc. 1 netblock · ARIN registry Routing
  14. KHARTOUM-FOOD-SECURITY-COMPANY_KHC 1 netblock · AFRINIC registry Routing
  15. SECURITY-COMMITTEE-SUPREME-616871 1 netblock · RIPE registry Routing
  16. THE SECURITY COMPANY INTERNATIONAL LIMITED 1 netblock · RIPE registry Registry
  17. National Security Computer Association 1 netblock · ARIN registry Routing
  18. NANJING-Network-Security-COMM 1 netblock · APNIC registry Routing
  19. Security-Companies 1 netblock · APNIC registry Routing
  20. GuiYang-QianTou-Security-Company 1 netblock · APNIC registry Routing