| Date | IP Address |
| 2016-02-20 | 78.47.150.64 (ClassC) |
| 2026-01-19 | 5.9.75.42 (ClassC) |
| Date | Domain | IP |
| mx10.letstry.de | 2026-01-19 | 5.9.75.42 |
| mx01.letstry.de | 2025-09-20 | 5.9.75.42 |
| 404.letstry.de | 2025-11-01 | 5.9.75.42 |
| mail9.letstry.de | 2026-01-19 | 5.9.75.42 |
| lakota.letstry.de | 2025-11-01 | 5.9.75.42 |
| mail.letstry.de | 2025-05-11 | 5.9.75.42 |
| pop.letstry.de | 2025-11-02 | 5.9.75.42 |
| webapps.letstry.de | 2025-10-28 | 5.9.75.42 |
| alt.letstry.de | 2025-11-01 | 5.9.75.42 |
| www.letstry.de | 2025-11-02 | 5.9.75.42 |