| Date | IP Address |
| 2017-08-16 | 35.158.51.44 (ClassC) |
| 2020-06-12 | 52.59.159.16 (ClassC) |
| 2021-04-14 | 54.93.114.111 (ClassC) |
| 2021-10-14 | 13.32.158.63 (ClassC) |
| 2024-05-02 | 99.84.66.78 (ClassC) |
| 2024-05-10 | 99.84.66.58 (ClassC) |
| 2024-07-02 | 99.84.66.122 (ClassC) |
| 2025-09-04 | 141.193.213.20 (ClassC) |
| 2026-01-07 | 141.193.213.21 (ClassC) |
| Date | Domain | IP |
| nl.servicedesk.postex.com | 2025-05-20 | 172.66.0.145 |
| nl.postex.com | 2024-10-11 | 204.246.191.128 |
| cdn.postex.com | 2024-02-22 | 18.161.6.6 |
| berichten.postex.com | 2024-09-21 | 18.161.6.98 |
| demo.postex.com | 2024-07-10 | 204.246.191.82 |
| www.postex.com | 2023-11-01 | 99.84.66.122 |