| Date | IP Address |
| 2022-09-22 | 34.248.196.137 (ClassC) |
| 2025-07-22 | 54.76.111.219 (ClassC) |
| 2025-08-02 | 63.35.80.101 (ClassC) |
| 2025-08-17 | 34.249.241.123 (ClassC) |
| 2025-09-23 | 34.248.7.132 (ClassC) |
| 2026-01-18 | 52.210.180.110 (ClassC) |
| Date | Domain | IP |
| blog.mailbluster.com | 2025-05-24 | 172.67.145.112 |
| api.mailbluster.com | 2025-04-10 | 104.21.63.113 |
| track.mailbluster.com | 2025-07-22 | 54.76.111.219 |
| echo.mailbluster.com | 2024-11-21 | 3.248.151.7 |
| app.mailbluster.com | 2024-12-26 | 172.67.145.112 |
| email-resources.mailbluster.com | 2024-12-27 | 104.21.63.113 |
| www.mailbluster.com | 2025-05-15 | 172.67.145.112 |