| Date | IP Address |
| 2015-04-21 | 72.52.4.91 (ClassC) |
| 2017-11-11 | 72.52.4.122 (ClassC) |
| 2018-12-17 | 72.52.4.119 (ClassC) |
| 2019-10-27 | 91.195.240.126 (ClassC) |
| 2020-07-15 | 67.20.76.59 (ClassC) |
| 2021-02-09 | 199.59.242.153 (ClassC) |
| 2022-05-02 | 172.67.199.127 (ClassC) |
| 2022-05-02 | 104.21.66.26 (ClassC) |
| 2025-05-20 | 104.21.32.1 (ClassC) |
| 2025-06-27 | 104.21.96.1 (ClassC) |
| 2025-07-02 | 104.21.112.1 (ClassC) |
| 2025-11-23 | 51.178.68.42 (ClassC) |
| Date | Domain | IP |
| autodiscover.ahlers-blog.de | 2025-04-24 | 104.21.32.1 |