| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2026-09-17 | st-diagnostics.fi | Studio Tummenberg | Realtime Register B.V. |
| 2026-07-01 | jk-forestia.fi | Studio Tummenberg | Realtime Register B.V. |
| 2018-06-28 | tummenberg.fi | Studio Tummenberg | Registrar.eu |
| 2017-09-29 | seofinland.fi | Studio Tummenberg | Registrar.eu |
| 2017-03-09 | 3dweb.fi | Studio Tummenberg | Registrar.eu |
| 2011-03-20 | fysioluoma.fi | Studio Tummenberg | Registrar.eu |