| Date | IP Address |
| 2018-12-31 | 178.15.51.15 (ClassC) |
| 2026-01-06 | 185.21.125.100 (ClassC) |
| Date | Domain | IP |
| ms1.wiek-kaeltetechnik.de | 2025-10-16 | 185.21.125.100 |
| mail12.wiek-kaeltetechnik.de | 2025-10-03 | 185.21.125.100 |
| mail6.wiek-kaeltetechnik.de | 2025-10-15 | 185.21.125.100 |
| mailgate.wiek-kaeltetechnik.de | 2025-10-05 | 185.21.125.100 |
| spam.wiek-kaeltetechnik.de | 2025-12-16 | 185.21.125.100 |
| smtp.wiek-kaeltetechnik.de | 2025-11-18 | 185.21.125.100 |
| sniper.wiek-kaeltetechnik.de | 2025-11-11 | 185.21.125.100 |
| mailgw.wiek-kaeltetechnik.de | 2025-10-24 | 185.21.125.100 |
| www.wiek-kaeltetechnik.de | 2026-01-06 | 185.21.125.100 |
| mailx.wiek-kaeltetechnik.de | 2025-12-16 | 185.21.125.100 |