| Date | IP Address |
| 2018-04-23 | 54.69.130.209 (ClassC) |
| 2020-05-26 | 143.204.39.38 (ClassC) |
| 2020-05-26 | 143.204.39.41 (ClassC) |
| 2024-09-01 | 204.246.191.111 (ClassC) |
| 2024-09-25 | 18.161.6.20 (ClassC) |
| 2024-11-25 | 18.161.6.8 (ClassC) |
| 2025-01-20 | 204.246.191.60 (ClassC) |
| 2025-03-18 | 18.161.6.4 (ClassC) |
| 2025-08-22 | 3.175.34.72 (ClassC) |
| 2025-09-27 | 3.175.34.27 (ClassC) |
| 2025-10-19 | 3.175.34.115 (ClassC) |
| 2026-02-18 | 3.175.34.9 (ClassC) |
| Date | Domain | IP |
| api.mailslurp.com | 2024-05-13 | 54.149.3.232 |
| javascript.api.mailslurp.com | 2026-01-29 | 44.232.242.174 |
| python.mailslurp.com | 2025-02-27 | 185.199.111.153 |
| php.mailslurp.com | 2025-09-02 | 185.199.108.153 |
| app.mailslurp.com | 2024-06-27 | 204.246.191.62 |
| csharp.mailslurp.com | 2025-10-19 | 185.199.110.153 |
| js.mailslurp.com | 2025-02-27 | 185.199.108.153 |
| www.mailslurp.com | 2024-09-01 | 204.246.191.111 |
| ruby.mailslurp.com | 2025-04-18 | 185.199.108.153 |