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Domain footprint: cesnet.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: 78.128.246.93 → CESNET z.s.p.o. · 2001:718:ff05:108::93 → CESNET z.s.p.o.
Mail: ag1.cesnet.cz → CESNET z.s.p.o. · ag2.cesnet.cz → CESNET z.s.p.o. · ag3.cesnet.cz → CESNET z.s.p.o.
SPF sends via: servers.mcsv.net

Separately, 19 organisations whose name resembles “cesnet.cz” — these may be unrelated to the domain above.

  1. CESNET z.s.p.o. 411 netblocks across 2 records sharing vse.cz · RIPE registry Routing Unverified name
  2. CESNET-PRAHA 10 netblocks · Germany Routing
  3. CESNET 10 netblocks · Czechia Routing
  4. gsnet.cz s.r.o. 4 netblocks · RIPE registry Routing
  5. VESNET-CZ 4 netblocks · United Kingdom Routing
  6. HostisNet-CZ 4 netblocks · Czechia Routing
  7. gsnet.cz 3 netblocks · PEERINGDB registry Registry
  8. CESNET-JICIN 2 netblocks · Germany Routing
  9. CESNET-PRAHA-BREEZ 2 netblocks · Germany Routing
  10. CESNET-PISEK 2 netblocks · Germany Routing
  11. CESNET-MELNIK 2 netblocks · Germany Routing
  12. CESNET-OSTRAVA 2 netblocks · Germany Routing
  13. CZNESNET-CZ 1 netblock · Germany Routing
  14. CESNET-UHHRAD 1 netblock · Germany Routing
  15. CESNET-CDT-NET 1 netblock · Czechia Routing
  16. RSD-CR-IC-CESNET 1 netblock · RIPE registry Routing
  17. VUTBR-CESNET 1 netblock · Czechia Routing
  18. RSD-CR-IC6-CESNET 1 netblock · RIPE registry Routing
  19. KZCR_EU-2-CESNET 1 netblock · RIPE registry Handle