| Date | IP Address |
| 2015-09-11 | 89.31.143.100 (ClassC) |
| 2015-12-07 | 89.31.143.105 (ClassC) |
| 2019-12-13 | 62.204.160.46 (ClassC) |
| 2022-04-01 | 45.136.31.244 (ClassC) |
| 2024-11-02 | 77.37.72.127 (ClassC) |
| 2025-05-23 | 77.37.76.77 (ClassC) |
| 2025-08-11 | 172.67.213.232 (ClassC) |
| Date | Domain | IP |
| zimbra.home-music-teachers.de | 2025-04-08 | 77.37.72.127 |
| antispam.home-music-teachers.de | 2025-04-07 | 77.37.72.127 |
| www.home-music-teachers.de | 2025-05-23 | 77.37.76.77 |