| Date | IP Address |
| 2025-01-14 | 67.227.193.239 (ClassC) |
| Date | Domain | IP |
| mx20.ac.fpcfsystem.com | 2024-11-01 | 67.227.193.239 |
| mail12.ac.fpcfsystem.com | 2024-12-10 | 67.227.193.239 |
| server2.ac.fpcfsystem.com | 2024-08-12 | 67.227.193.239 |
| mx3.ac.fpcfsystem.com | 2024-07-29 | 67.227.193.239 |
| mail5.ac.fpcfsystem.com | 2024-09-12 | 67.227.193.239 |
| smtp.comune.ac.fpcfsystem.com | 2025-01-14 | 67.227.193.239 |
| remote.ac.fpcfsystem.com | 2024-09-20 | 67.227.193.239 |
| mail.ac.fpcfsystem.com | 2024-08-12 | 67.227.193.239 |
| smtp.mail.ac.fpcfsystem.com | 2024-07-18 | 67.227.193.239 |
| mailer.ac.fpcfsystem.com | 2024-09-10 | 67.227.193.239 |