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Domain footprint: sp4.cz

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: 104.21.14.206 → Cloudflare, Inc. · 172.67.160.141 → Cloudflare, Inc. · 2606:4700:3036::6815:ece → Cloudflare, Inc. · 2606:4700:3034::ac43:a08d → Cloudflare, Inc.
Mail: mxavas.forpsi.com → CZ-INTERNET

Separately, 20 organisations whose name resembles “sp4.cz” — these may be unrelated to the domain above.

  1. BusinessCom CZ spol. s r.o. 16 netblocks · Czechia Verified company
  2. CZ-SPCOM 11 netblocks · United Kingdom Routing
  3. CZ-SPORT-DOOR 3 netblocks · United Kingdom Routing
  4. CZ-SPEEDNET-NET 2 netblocks · Czechia Routing
  5. CZ-SPEEDNET-20140911 2 netblocks · RIPE registry Handle
  6. CZ-SPS-PROSEK 2 netblocks · United Kingdom Routing
  7. Internet4you.cz, spol. s r.o. 1 netblock · RIPE registry Routing
  8. CZ-SPCOM-185_250_174 1 netblock · Czechia Routing
  9. CZ-SPCOM-185_250_175 1 netblock · Czechia Routing
  10. CZ-SPED-TEMPUS 1 netblock · United Kingdom Routing
  11. CZ-SPEEL 1 netblock · United Kingdom Routing
  12. CZ-SPORILOVNET 1 netblock · United Kingdom Routing
  13. CZ-SPARKYS 1 netblock · United Kingdom Routing
  14. CZ-SpolNet-I 1 netblock · Norway Routing
  15. CZ-SpolNet-II 1 netblock · Norway Routing
  16. CZ-SpolNet-III 1 netblock · Norway Routing
  17. CZ-SpolNet-IV 1 netblock · Norway Routing
  18. CZ-SPSELEKTRO 1 netblock · United Kingdom Routing
  19. CZ-SPIRAX-SARCO 1 netblock · United Kingdom Routing
  20. CZ-SPGHS 1 netblock · United Kingdom Routing