| Date | IP Address |
| 2019-06-21 | 76.223.9.102 (ClassC) |
| 2022-01-29 | 54.230.19.54 (ClassC) |
| 2022-04-28 | 108.138.246.114 (ClassC) |
| 2025-03-03 | 204.246.191.67 (ClassC) |
| 2025-04-19 | 204.246.191.85 (ClassC) |
| 2025-05-01 | 18.161.6.129 (ClassC) |
| Date | Domain | IP |
| api.phonecheck.com | 2024-06-16 | 52.9.26.96 |
| utils.phonecheck.com | 2024-10-26 | 50.18.10.66 |
| assets.phonecheck.com | 2025-03-03 | 204.246.191.67 |
| www.phonecheck.com | 2023-11-01 | 44.227.170.101 |