| Date | Domain | IP |
| website.staging01.fc-union-berlin.de | 2024-09-10 | 3.122.58.12 |
| fim.staging01.fc-union-berlin.de | 2024-04-13 | 3.121.205.123 |
| tracking.prod.fc-union-berlin.de | 2024-05-03 | 3.78.173.16 |
| eiserne-karte.fc-union-berlin.de | 2024-12-27 | 204.246.191.33 |
| webmail.intern.fc-union-berlin.de | 2025-12-01 | 178.15.220.130 |
| news.fc-union-berlin.de | 2025-12-04 | 193.169.180.193 |
| www.fc-union-berlin.de | 2023-11-01 | 18.158.222.60 |