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Domain footprint: f6.security

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: 84.38.189.59 → Selectel Ltd. · 84.38.188.134 → Selectel Ltd.
Mail: mx1.facct.email → Selectel Ltd. · mx2.facct.email → Selectel Ltd.
SPF sends via: _mailers.f6.security

Separately, 20 organisations whose name resembles “f6.security” — these may be unrelated to the domain above.

  1. DEUTSCHE TELEKOM AG 5,368 netblocks across 24 companies in this group Corporate group
  2. MC Familiengesellschaft mbH 47 netblocks across 3 companies in this group Corporate group
  3. Netic AB 152 netblocks · Sweden Verified company
  4. Prime Security GmbH 110 netblocks · Germany Verified company
  5. NORTHROP GRUMMAN CORPORATION 101 netblocks · United States Verified company
  6. MENLO SECURITY, INC. 99 netblocks · United States Verified company
  7. SECURITY 32 netblocks · Luxembourg Verified company
  8. ADT SECURITY SERVICES SA 24 netblocks · UY Verified company
  9. Myra Security GmbH 15 netblocks · Germany Verified company
  10. Security Research Labs AG 14 netblocks · Switzerland Verified company
  11. NATIONAL SOCIAL SECURITY FUND 7 netblocks · UG Verified company
  12. IN SMART IDENTITY FRANCE 1 netblock · France Verified company
  13. Huawei Cloud Global 677 netblocks · AFRINIC registry Routing
  14. Limes sp. z o.o. 336 netblocks · RIPE registry Routing
  15. Snowd Security OU 301 netblocks · RIPE registry Routing
  16. Skyhigh Security AS203724 209 netblocks · PEERINGDB registry Routing
  17. ARIN Routing Security 109 netblocks · PEERINGDB registry Routing
  18. SECURITY-SRV 99 netblocks · RIPE registry Routing
  19. Tiktok U.S. Data Security Inc. 92 netblocks · PEERINGDB registry Routing
  20. Korea Internet Security Agency 83 netblocks Routing