| Date | IP Address |
| 2021-01-27 | 99.84.174.72 (ClassC) |
| 2021-01-27 | 99.84.174.38 (ClassC) |
| 2024-07-19 | 18.161.6.9 (ClassC) |
| 2024-09-10 | 18.161.6.99 (ClassC) |
| 2025-01-11 | 13.224.14.106 (ClassC) |
| Date | Domain | IP |
| cdn-qa.retrotax-aci.com | 2024-09-08 | 18.65.229.52 |
| api-staging.retrotax-aci.com | 2024-07-19 | 18.161.6.9 |
| api.retrotax-aci.com | 2024-03-04 | 204.246.191.32 |
| www.retrotax-aci.com | 2025-01-10 | 13.224.14.109 |