| Date | IP Address |
| 2020-05-16 | 78.47.17.8 (ClassC) |
| 2025-01-20 | 172.67.186.123 (ClassC) |
| Date | Domain | IP |
| mail.boardingd9.de | 2025-01-15 | 78.47.17.8 |
| pop.boardingd9.de | 2024-07-07 | 104.21.19.142 |
| smtp.boardingd9.de | 2024-09-01 | 104.21.19.142 |
| www.boardingd9.de | 2025-01-20 | 172.67.186.123 |