| Date | IP Address |
| 2024-05-10 | 103.29.195.64 (ClassC) |
| 2024-12-27 | 54.252.75.26 (ClassC) |
| 2025-03-09 | 54.206.239.18 (ClassC) |
| 2025-03-21 | 13.236.242.190 (ClassC) |
| Date | Domain | IP |
| smtp365.psr.gov.au | 2025-03-19 | 161.146.231.30 |
| www.exchange.psr.gov.au | 2025-03-20 | 161.146.231.35 |
| autodiscover.psr.gov.au | 2025-02-23 | 52.96.113.232 |
| www.psr.gov.au | 2024-11-25 | 23.46.228.173 |