| Date | IP Address |
| 2018-09-10 | 192.185.169.39 (ClassC) |
| 2019-11-26 | 138.197.228.174 (ClassC) |
| 2021-06-03 | 104.26.5.141 (ClassC) |
| 2021-06-03 | 172.67.72.180 (ClassC) |
| 2021-06-03 | 104.26.4.141 (ClassC) |
| 2024-03-20 | 104.21.77.27 (ClassC) |
| 2024-03-20 | 172.67.203.225 (ClassC) |
| 2025-05-06 | 104.26.13.41 (ClassC) |
| 2025-05-14 | 172.67.75.97 (ClassC) |
| 2026-01-09 | 104.26.12.41 (ClassC) |
| Date | Domain | IP |
| webmail.mrspring.com | 2025-03-05 | 104.26.12.41 |