| Date | IP Address |
| 2014-07-19 | 64.65.120.5 (ClassC) |
| 2023-08-26 | 104.16.196.236 (ClassC) |
| 2024-09-30 | 192.0.66.65 (ClassC) |
| 2024-10-23 | 192.0.66.140 (ClassC) |
| 2024-12-09 | 192.0.66.192 (ClassC) |
| 2024-12-29 | 192.0.66.60 (ClassC) |
| 2025-03-20 | 192.0.66.130 (ClassC) |
| 2025-04-07 | 192.0.66.51 (ClassC) |
| 2025-04-29 | 192.0.66.239 (ClassC) |
| 2025-05-02 | 192.0.66.200 (ClassC) |
| Date | Domain | IP |
| smtp.robertshawaii.com | 2014-07-19 | 64.65.120.12 |