| Date | IP Address |
| 2021-03-29 | 205.186.183.211 (ClassC) |
| 2025-01-05 | 107.163.254.219 (ClassC) |
| 2025-05-05 | 107.163.178.145 (ClassC) |
| 2025-05-16 | 107.163.178.176 (ClassC) |
| 2025-11-28 | 160.251.64.80 (ClassC) |
| Date | Domain | IP |
| mail01.rosenblumstudio.com | 2025-01-28 | 107.163.254.219 |
| mail02.rosenblumstudio.com | 2025-01-05 | 107.163.254.219 |
| barracuda.rosenblumstudio.com | 2025-01-20 | 107.163.254.219 |
| gate.rosenblumstudio.com | 2024-09-26 | 76.223.67.189 |
| correo.rosenblumstudio.com | 2025-01-05 | 107.163.254.219 |
| imap.rosenblumstudio.com | 2025-01-20 | 107.163.254.219 |
| hermes.rosenblumstudio.com | 2025-01-05 | 107.163.254.219 |