| Date | IP Address |
| 2018-07-30 | 52.30.97.52 (ClassC) |
| 2018-09-17 | 54.246.145.143 (ClassC) |
| 2019-11-29 | 54.154.157.216 (ClassC) |
| 2021-12-08 | 52.49.74.128 (ClassC) |
| 2021-12-18 | 99.81.158.1 (ClassC) |
| 2022-09-30 | 34.250.5.199 (ClassC) |
| 2022-09-30 | 99.80.138.64 (ClassC) |
| 2022-10-05 | 54.75.79.182 (ClassC) |
| 2023-04-27 | 34.247.242.47 (ClassC) |
| 2025-06-05 | 54.73.186.64 (ClassC) |
| 2025-06-21 | 52.48.229.247 (ClassC) |
| 2025-07-18 | 34.250.201.184 (ClassC) |
| 2025-09-22 | 52.211.255.103 (ClassC) |
| 2025-10-25 | 34.243.63.75 (ClassC) |
| 2026-01-05 | 52.30.156.245 (ClassC) |
| Date | Domain | IP |
| secure.mailcenter-alert.net | 2025-08-29 | 52.211.77.138 |
| sbl.mailcenter-alert.net | 2025-11-25 | 34.241.72.159 |
| sembcorpzoom.mailcenter-alert.net | 2025-10-03 | 54.73.139.249 |
| info.mailcenter-alert.net | 2025-10-09 | 54.171.45.58 |
| messages.mailcenter-alert.net | 2025-10-11 | 54.171.45.58 |
| updates.mailcenter-alert.net | 2025-08-21 | 34.250.6.49 |
| www.mailcenter-alert.net | 2025-10-05 | 54.171.45.58 |
| security.mailcenter-alert.net | 2025-10-03 | 99.80.61.192 |