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Domain footprint: osu.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: 78.128.128.25 → University of Ostrava · 2001:718:1005:620::25 → University of Ostrava
Mail: mailer.osu.cz → University of Ostrava · mailer2.osu.cz → University of Ostrava
SPF sends via: spf.protection.outlook.com · spf.reenio.cz

Separately, 8 organisations whose name resembles “osu.cz” — these may be unrelated to the domain above.

  1. NOPROSU-CZ 2 netblocks · Germany Routing Unverified name
  2. CZ-OS-NAS-NET 2 netblocks · Germany Routing
  3. CZ-OSCE 1 netblock · United Kingdom Routing
  4. CZ-OS-NAS-NET2 1 netblock · Germany Routing
  5. CZ-OSMS 1 netblock · United Kingdom Routing
  6. CZ-OS-NAS-NET1 1 netblock · Germany Routing
  7. CZ-OSC 1 netblock · United Kingdom Routing
  8. RAVELI-OS-CZ 1 netblock · RIPE registry Routing