| Date | IP Address |
| 2017-12-23 | 52.222.220.144 (ClassC) |
| 2018-06-20 | 52.222.146.33 (ClassC) |
| 2018-07-13 | 54.192.185.203 (ClassC) |
| 2019-09-16 | 143.204.142.101 (ClassC) |
| 2019-09-16 | 143.204.142.19 (ClassC) |
| 2019-09-16 | 143.204.142.2 (ClassC) |
| 2019-09-16 | 143.204.142.4 (ClassC) |
| 2024-02-17 | 3.163.24.40 (ClassC) |
| 2024-09-23 | 3.163.24.35 (ClassC) |
| 2024-12-05 | 52.84.162.44 (ClassC) |
| 2025-05-23 | 52.84.162.68 (ClassC) |
| 2025-08-10 | 3.163.24.96 (ClassC) |
| Date | Domain | IP |
| admin.rcnbulletinjobs.co.uk | 2024-08-03 | 52.84.162.44 |
| recruiter.rcnbulletinjobs.co.uk | 2025-01-30 | 52.84.162.16 |
| www.rcnbulletinjobs.co.uk | 2024-02-17 | 3.163.24.40 |