| Date | IP Address |
| 2020-04-06 | 13.227.44.39 (ClassC) |
| 2020-04-06 | 13.227.44.61 (ClassC) |
| 2020-04-06 | 13.227.44.86 (ClassC) |
| 2020-05-29 | 99.84.245.91 (ClassC) |
| 2021-01-07 | 13.227.37.91 (ClassC) |
| 2021-01-07 | 13.227.37.14 (ClassC) |
| 2021-03-07 | 52.84.127.129 (ClassC) |
| 2021-03-07 | 52.84.127.37 (ClassC) |
| 2021-08-29 | 13.225.51.103 (ClassC) |
| 2021-08-29 | 13.225.51.27 (ClassC) |
| 2021-08-29 | 13.225.51.34 (ClassC) |
| 2022-01-10 | 13.249.137.79 (ClassC) |
| 2022-01-10 | 13.249.137.115 (ClassC) |
| 2022-02-05 | 18.67.65.59 (ClassC) |
| 2022-02-05 | 18.67.65.35 (ClassC) |
| 2025-09-29 | 18.161.6.25 (ClassC) |
| 2026-01-28 | 18.161.6.53 (ClassC) |
| 2026-02-03 | 18.161.6.99 (ClassC) |
| Date | Domain | IP |
| api.mailmasker.com | 2024-09-30 | 3.163.24.58 |
| app.mailmasker.com | 2025-09-29 | 18.161.6.25 |
| www.mailmasker.com | 2024-09-08 | 18.161.6.26 |