| Date | IP Address |
| 2022-08-18 | 52.3.156.211 (ClassC) |
| 2024-05-15 | 107.21.108.222 (ClassC) |
| 2024-07-18 | 54.88.164.44 (ClassC) |
| 2024-07-18 | 184.72.230.108 (ClassC) |
| 2024-11-24 | 3.228.188.49 (ClassC) |
| 2025-05-11 | 54.80.38.79 (ClassC) |
| 2025-08-04 | 3.223.166.39 (ClassC) |
| 2025-08-22 | 3.217.183.57 (ClassC) |
| 2025-08-29 | 100.28.236.248 (ClassC) |
| 2025-09-08 | 52.200.255.233 (ClassC) |
| 2025-10-16 | 35.169.65.216 (ClassC) |
| 2025-12-03 | 54.156.241.29 (ClassC) |
| Date | Domain | IP |
| app.prd.dfe.nfesintel.com.br | 2025-11-22 | 54.209.7.162 |
| www.dfe.nfesintel.com.br | 2024-11-24 | 3.228.188.49 |
| www.nfesintel.com.br | 2024-11-24 | 3.228.188.49 |