| Date | IP Address |
| 2018-08-12 | 107.21.63.106 (ClassC) |
| 2018-08-12 | 34.194.190.246 (ClassC) |
| 2024-11-24 | 3.228.188.49 (ClassC) |
| 2025-05-17 | 54.85.99.198 (ClassC) |
| 2025-08-28 | 34.225.211.76 (ClassC) |
| 2025-10-19 | 35.153.76.93 (ClassC) |
| 2025-11-23 | 34.234.127.13 (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 |