| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2022-09-07 | rstlights.fi | RST-Steel Oy | Louhi Net Oy |
| 2022-08-25 | rst-lights.fi | RST-Steel Oy | OVH SAS |
| 2021-10-12 | rststeel.fi | RST-Steel Oy | Louhi Net Oy |
| 2021-10-07 | rssteel.fi | RST-Steel Oy | Louhi Net Oy |
| 2020-07-09 | rst-light.fi | RST-Steel Oy | Hostaan Oy |
| 2005-05-26 | rst-steel.fi | RST-Steel Oy | S1 Networks Oy |