| Date | IP Address |
| 2023-08-27 | 39.110.228.38 (ClassC) |
| 2024-05-13 | 39.110.228.34 (ClassC) |
| 2024-09-13 | 18.161.6.7 (ClassC) |
| 2024-11-01 | 18.161.6.48 (ClassC) |
| 2024-11-17 | 18.238.238.21 (ClassC) |
| 2025-01-09 | 18.238.238.39 (ClassC) |
| 2025-02-08 | 18.161.6.82 (ClassC) |
| Date | Domain | IP |
| dev.duo.jp | 2025-02-06 | 172.64.154.178 |
| www.duo.jp | 2024-11-24 | 18.238.238.95 |