| Date | IP Address |
| 2017-09-28 | 52.84.11.27 (ClassC) |
| 2017-12-14 | 52.222.220.182 (ClassC) |
| 2020-04-09 | 99.84.102.55 (ClassC) |
| 2024-11-24 | 18.161.6.110 (ClassC) |
| 2025-03-08 | 18.238.238.71 (ClassC) |
| 2025-05-01 | 204.246.191.115 (ClassC) |
| 2025-06-04 | 204.246.191.2 (ClassC) |
| 2025-06-23 | 204.246.191.99 (ClassC) |
| 2025-07-10 | 204.246.191.56 (ClassC) |
| 2026-02-11 | 3.169.173.47 (ClassC) |
| 2026-02-19 | 3.169.173.34 (ClassC) |
| 2026-03-03 | 3.169.173.54 (ClassC) |
| Date | Domain | IP |
| www0.expresstaxrefund.com | 2025-04-19 | 204.246.191.115 |
| www2.expresstaxrefund.com | 2025-07-13 | 204.246.191.2 |
| blog.expresstaxrefund.com | 2025-02-22 | 18.161.6.30 |
| authsmtp.expresstaxrefund.com | 2025-03-26 | 18.238.238.103 |
| www.expresstaxrefund.com | 2024-11-24 | 18.161.6.110 |