| Date | IP Address |
| 2025-03-09 | 213.95.206.42 (ClassC) |
| 2025-09-11 | 213.95.206.41 (ClassC) |
| 2026-01-21 | 104.18.14.140 (ClassC) |
| 2026-02-10 | 104.18.15.140 (ClassC) |
| Date | Domain | IP |
| mail.gutefrage.com | 2025-03-09 | 213.95.206.41 |
| imap.gutefrage.com | 2025-03-09 | 213.95.206.42 |
| pop.gutefrage.com | 2024-12-21 | 213.95.206.42 |
| www.gutefrage.com | 2024-10-30 | 213.95.206.42 |
| relay.gutefrage.com | 2025-04-19 | 213.95.206.42 |