| Date | IP Address |
| 2025-03-18 | 12.155.47.252 (ClassC) |
| 2025-05-23 | 104.21.48.1 (ClassC) |
| 2025-11-23 | 172.67.165.3 (ClassC) |
| Date | Domain | IP |
| mail.firesystems.net | 2025-03-26 | 12.155.47.252 |
| webmail.firesystems.net | 2025-03-18 | 12.155.47.252 |
| vpn.firesystems.net | 2025-04-25 | 66.19.56.210 |
| autodiscover.firesystems.net | 2024-11-05 | 52.96.113.136 |
| www.firesystems.net | 2025-01-24 | 65.108.21.224 |