| Date | IP Address |
| 2024-11-13 | 107.21.231.239 (ClassC) |
| 2024-11-24 | 98.85.50.76 (ClassC) |
| 2025-02-06 | 107.22.232.124 (ClassC) |
| 2025-04-28 | 18.207.13.99 (ClassC) |
| 2025-05-26 | 54.225.55.119 (ClassC) |
| 2025-09-11 | 54.91.118.154 (ClassC) |
| Date | Domain | IP |
| api.us-west-2.secure-attach.perimeter.email.amazon.dev | 2024-06-09 | 34.210.176.77 |
| api.us-east-1.gamma.secure-attach.perimeter.email.amazon.dev | 2025-01-07 | 54.197.231.146 |
| beta.secure-attach.perimeter.email.amazon.dev | 2024-11-13 | 107.21.231.239 |
| api.us-east-1.beta.secure-attach.perimeter.email.amazon.dev | 2024-12-05 | 34.196.255.188 |