| Date | IP Address |
| 2026-02-18 | 45.136.30.223 (ClassC) |
| Date | Domain | IP |
| mx1.hirschauer.ch | 2025-05-15 | 45.136.30.223 |
| radicale.hirschauer.ch | 2025-05-23 | 45.136.30.223 |
| autoconfig.hirschauer.ch | 2026-02-18 | 45.136.30.223 |
| mail.hirschauer.ch | 2025-05-13 | 45.136.30.223 |
| autodiscover.hirschauer.ch | 2026-02-18 | 45.136.30.223 |
| www.hirschauer.ch | 2025-05-12 | 45.136.30.223 |