| Date | IP Address |
| 2021-03-13 | 85.13.141.70 (ClassC) |
| 2025-12-03 | 85.13.166.50 (ClassC) |
| Date | Domain | IP |
| mail8.hundeschule.biz | 2025-12-03 | 85.13.166.50 |
| gate.hundeschule.biz | 2025-12-03 | 85.13.166.50 |
| mail.hundeschule.biz | 2025-12-03 | 85.13.166.50 |
| email.hundeschule.biz | 2025-12-03 | 85.13.166.50 |