| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2023-10-13 | oulunkivipalvelu.fi | Yellow Frog Solutions Oy | Yellow Frog Solutions Oy |
| 2023-10-13 | oulunhautakivipalvelu.fi | Yellow Frog Solutions Oy | Yellow Frog Solutions Oy |
| 2020-05-22 | yellowfrogsolutions.fi | Yellow Frog Solutions Oy | Yellow Frog Solutions Oy |
| 2019-05-12 | yfs.fi | Yellow Frog Solutions Oy | Yellow Frog Solutions Oy |