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Domain footprint: csdn.net

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: 124.70.25.132 → HWCSNET
Mail: mxbiz1.qq.com → DeepIDC Technology International Co., Limited · mxbiz2.qq.com → ACEVILLEPTELTD-SG
SPF sends via: spf.mail.qq.com

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

  1. CS SPA 42 netblocks · RIPE registry Routing Unverified name
  2. CSD Network Services Ltd 14 netblocks · RIPE registry Routing
  3. CSDP 4 netblocks · Italy Routing
  4. CS-NET Informática e Tecnologia 4 netblocks · PEERINGDB registry Routing
  5. CSTB 3 netblocks · Luxembourg Routing
  6. ZX-NET-CSX-MAN 2 netblocks · APNIC registry Routing
  7. TELIA-FI-NET-CS-NET 2 netblocks · Sweden Routing
  8. BILSPEDITIONS-ISDN-NET 1 netblock · Sweden Routing
  9. WB-NET-CSV-01 1 netblock · Germany Routing
  10. NET-CS-SOFT 1 netblock · Czechia Routing
  11. FI-LANWAN-SDN-NET 1 netblock · Finland Routing
  12. NET-CSOMAGKULDO-HU-82-150-32-148 1 netblock · RIPE registry Routing
  13. NET-CSESBG 1 netblock · RIPE registry Handle
  14. TELENET-ISDN-NET 1 netblock · RIPE registry Routing
  15. SASEUROPE-NET-CS07 1 netblock · United Kingdom Routing
  16. SASEUROPE-NET-CS02 1 netblock · United Kingdom Routing
  17. SBD-NET-CS-DE-HOVEN 1 netblock · RIPE registry Routing
  18. NET-CsPortalim 1 netblock · RIPE registry Routing
  19. NET-cshost-EX-2019 1 netblock · RIPE registry Routing
  20. SASEUROPE-NET-CSISL 1 netblock · United Kingdom Routing