| Date | IP Address |
| 2020-02-14 | 13.249.89.15 (ClassC) |
| 2020-02-14 | 13.249.89.3 (ClassC) |
| 2020-02-14 | 13.249.89.31 (ClassC) |
| 2020-02-14 | 13.249.89.10 (ClassC) |
| 2020-02-14 | 13.249.89.8 (ClassC) |
| 2020-02-14 | 13.249.89.106 (ClassC) |
| 2020-05-04 | 13.249.87.35 (ClassC) |
| 2020-05-04 | 13.249.87.58 (ClassC) |
| 2021-01-14 | 52.85.79.81 (ClassC) |
| 2021-01-14 | 52.85.79.98 (ClassC) |
| 2021-01-14 | 52.85.79.14 (ClassC) |
| 2024-02-25 | 204.246.191.113 (ClassC) |
| 2024-07-31 | 18.161.6.23 (ClassC) |
| 2025-01-12 | 99.86.38.102 (ClassC) |
| 2025-08-04 | 204.246.191.116 (ClassC) |
| 2025-09-10 | 204.246.191.120 (ClassC) |
| 2025-11-19 | 18.161.6.9 (ClassC) |
| Date | Domain | IP |
| cdn.duffltestingplatform.com | 2025-01-27 | 13.224.14.116 |
| admin.duffltestingplatform.com | 2024-02-25 | 204.246.191.113 |