| Date | IP Address |
| 2018-12-26 | 85.13.141.142 (ClassC) |
| 2025-01-04 | 85.13.161.29 (ClassC) |
| Date | Domain | IP |
| exchange.castello-feldbach.at | 2025-01-04 | 85.13.161.29 |
| email.castello-feldbach.at | 2024-09-25 | 85.13.161.29 |
| imap.castello-feldbach.at | 2025-01-04 | 85.13.161.29 |
| authsmtp.castello-feldbach.at | 2025-01-04 | 85.13.161.29 |
| www.castello-feldbach.at | 2025-01-04 | 85.13.161.29 |