| Date | IP Address |
| 2020-05-11 | 3.213.3.36 (ClassC) |
| 2020-07-14 | 52.71.192.198 (ClassC) |
| 2022-01-30 | 107.23.214.146 (ClassC) |
| 2022-08-08 | 52.205.144.154 (ClassC) |
| 2024-06-11 | 18.194.104.216 (ClassC) |
| 2024-10-04 | 18.194.121.137 (ClassC) |
| 2024-11-25 | 3.125.229.65 (ClassC) |
| 2026-01-10 | 162.159.140.147 (ClassC) |
| 2026-01-18 | 172.66.0.145 (ClassC) |
| Date | Domain | IP |
| clubhealthcheck-stg.rfu.com | 2024-04-18 | 45.60.86.86 |
| admin.clubhealthcheck-stg.rfu.com | 2024-06-02 | 45.60.86.86 |
| clubhealthcheck.rfu.com | 2024-10-18 | 45.60.86.86 |
| admin.clubhealthcheck.rfu.com | 2024-09-21 | 45.60.86.86 |
| matchdaymail.rfu.com | 2025-05-28 | 34.246.26.197 |
| help.rfu.com | 2024-06-11 | 18.194.104.216 |
| newsletter.rfu.com | 2025-02-27 | 34.230.174.129 |
| gms.rfu.com | 2026-01-13 | 130.0.83.123 |
| www.rfu.com | 2025-08-30 | 94.236.28.220 |