| Date | IP Address |
| 2021-11-15 | 34.240.165.34 (ClassC) |
| 2022-01-12 | 34.253.19.86 (ClassC) |
| 2022-10-13 | 63.32.176.207 (ClassC) |
| 2023-08-24 | 108.177.119.121 (ClassC) |
| 2024-04-26 | 142.251.33.83 (ClassC) |
| 2024-08-30 | 142.250.217.115 (ClassC) |
| 2024-11-05 | 172.217.14.243 (ClassC) |
| 2024-12-27 | 142.251.211.243 (ClassC) |
| 2025-09-14 | 142.250.217.83 (ClassC) |
| 2025-11-13 | 142.250.73.83 (ClassC) |
| 2025-12-25 | 142.250.73.147 (ClassC) |
| 2026-01-13 | 142.251.34.211 (ClassC) |
| Date | Domain | IP |
| squid-api.tjek.com | 2023-08-04 | 172.217.14.211 |
| wolf-api.tjek.com | 2024-04-26 | 142.251.33.83 |
| picasso-api.tjek.com | 2023-08-31 | 108.157.214.4 |
| image-transformer-api.tjek.com | 2024-04-15 | 52.84.162.53 |
| www.tjek.com | 2024-12-27 | 52.223.52.2 |