| Date | IP Address |
| 2019-08-31 | 207.192.69.165 (ClassC) |
| 2025-05-16 | 104.21.46.61 (ClassC) |
| 2025-12-14 | 172.67.168.32 (ClassC) |
| Date | Domain | IP |
| ftp.stunnel.org | 2025-02-19 | 207.192.69.165 |
| ww.stunnel.org | 2025-02-08 | 207.192.69.165 |
| www.stunnel.org | 2025-05-16 | 104.21.46.61 |