| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2023-02-10 | spiraxsarco.fi | Spirax Oy | Planeetta Internet Oy |
| 2023-02-10 | spirax-sarco.fi | Spirax Oy | Planeetta Internet Oy |
| 2015-06-19 | asepco.fi | Spirax Oy | CSC Corporate Domains, Inc. |
| 2004-09-23 | spirax.fi | Spirax Oy | Softavenue Oy |