| Date | IP Address |
| 2016-12-14 | 107.14.32.35 (ClassC) |
| 2017-07-17 | 184.25.56.148 (ClassC) |
| 2024-05-13 | 199.60.103.30 (ClassC) |
| 2024-05-25 | 199.60.103.226 (ClassC) |
| 2026-02-20 | 141.193.213.11 (ClassC) |
| 2026-02-26 | 141.193.213.10 (ClassC) |
| Date | Domain | IP |
| app-ap-southeast-2-australia.checkster.com | 2024-10-05 | 54.206.231.130 |
| randstadusa.checkster.com | 2025-02-08 | 52.8.109.73 |
| app-eu-central-1-europe.checkster.com | 2024-03-25 | 18.197.255.107 |
| prod-bi.checkster.com | 2025-10-29 | 3.226.37.44 |
| eu-integration.checkster.com | 2025-01-26 | 99.86.38.127 |
| matomo.checkster.com | 2024-09-30 | 52.53.109.129 |
| app.checkster.com | 2023-08-16 | 54.177.65.16 |
| au-app.checkster.com | 2024-10-05 | 13.54.76.135 |
| www.checkster.com | 2024-05-13 | 199.60.103.30 |