| Date | IP Address |
| 2024-03-10 | 52.219.210.4 (ClassC) |
| 2024-04-10 | 52.219.72.182 (ClassC) |
| 2024-05-30 | 3.5.134.64 (ClassC) |
| 2024-10-21 | 3.5.135.94 (ClassC) |
| 2024-11-24 | 3.5.136.205 (ClassC) |
| 2024-12-22 | 3.5.136.240 (ClassC) |
| 2024-12-25 | 52.219.170.72 (ClassC) |
| 2025-03-30 | 3.5.134.76 (ClassC) |
| 2025-05-23 | 52.219.208.4 (ClassC) |
| 2025-06-29 | 52.219.170.244 (ClassC) |
| 2025-07-04 | 3.5.135.71 (ClassC) |
| 2025-08-05 | 3.5.136.121 (ClassC) |
| Date | Domain | IP |
| drklein-api.qualitytech.de | 2024-12-26 | 3.126.211.240 |
| users.qualitytech.de | 2024-05-14 | 54.93.139.189 |
| www.qualitytech.de | 2024-03-10 | 52.219.210.4 |