| Date | IP Address |
| 2024-08-06 | 54.190.179.169 (ClassC) |
| 2025-06-03 | 35.166.22.59 (ClassC) |
| 2025-06-06 | 52.11.121.164 (ClassC) |
| 2025-06-11 | 52.37.27.58 (ClassC) |
| 2025-06-20 | 35.83.109.237 (ClassC) |
| 2025-06-27 | 35.155.126.31 (ClassC) |
| 2025-08-10 | 35.161.214.13 (ClassC) |
| 2025-11-02 | 52.12.212.4 (ClassC) |
| Date | Domain | IP |
| api.stage.checkapp.com | 2025-08-26 | 52.25.95.171 |
| api.test.checkapp.com | 2025-06-03 | 35.166.22.59 |
| www.checkapp.com | 2024-11-24 | 52.42.122.102 |