| Date | IP Address |
| 2024-05-30 | 3.10.99.167 (ClassC) |
| 2024-06-09 | 13.43.81.112 (ClassC) |
| 2025-02-27 | 52.56.118.61 (ClassC) |
| 2025-03-17 | 18.169.35.84 (ClassC) |
| 2025-04-15 | 52.56.163.179 (ClassC) |
| 2025-05-24 | 35.179.60.11 (ClassC) |
| 2025-06-20 | 3.8.72.224 (ClassC) |
| 2025-07-02 | 18.132.109.77 (ClassC) |
| 2025-07-27 | 18.130.217.88 (ClassC) |
| 2025-08-19 | 52.56.216.165 (ClassC) |
| 2026-01-13 | 13.41.106.232 (ClassC) |
| Date | Domain | IP |
| core-api.uk.plain-development.com | 2024-06-11 | 18.133.84.4 |
| core-ws.uk.plain-development.com | 2024-05-30 | 3.10.99.167 |
| app.plain-development.com | 2025-07-21 | 66.33.60.67 |
| postmark-webhook-handler.plain-development.com | 2025-02-27 | 216.24.57.252 |