| Date | IP Address |
| 2021-03-05 | 52.18.205.228 (ClassC) |
| 2021-05-19 | 34.249.20.228 (ClassC) |
| 2023-02-10 | 52.51.117.11 (ClassC) |
| 2024-06-03 | 52.212.142.123 (ClassC) |
| 2024-10-10 | 54.78.198.233 (ClassC) |
| 2024-10-20 | 52.49.15.96 (ClassC) |
| 2024-12-23 | 52.211.51.218 (ClassC) |
| 2025-01-30 | 18.202.210.159 (ClassC) |
| 2025-05-15 | 54.228.185.141 (ClassC) |
| 2025-07-30 | 18.203.211.119 (ClassC) |
| 2025-08-21 | 52.48.149.43 (ClassC) |
| 2025-09-12 | 34.249.206.148 (ClassC) |
| 2026-01-10 | 34.248.54.63 (ClassC) |
| 2026-01-26 | 54.76.13.223 (ClassC) |
| Date | Domain | IP |
| secure.postofficesocial.com | 2026-01-23 | 108.128.144.65 |
| api.postofficesocial.com | 2024-06-03 | 52.212.142.123 |
| app.postofficesocial.com | 2025-03-05 | 99.84.66.45 |
| stats.postofficesocial.com | 2025-11-11 | 52.210.40.74 |
| www.postofficesocial.com | 2024-01-31 | 18.161.6.101 |