| Date | IP Address |
| 2015-08-04 | 216.185.153.87 (ClassC) |
| 2015-11-16 | 107.21.30.199 (ClassC) |
| 2015-12-18 | 54.210.65.211 (ClassC) |
| 2016-03-18 | 54.88.39.163 (ClassC) |
| 2016-03-22 | 52.2.105.71 (ClassC) |
| 2016-12-05 | 52.72.188.53 (ClassC) |
| 2017-02-23 | 52.21.46.54 (ClassC) |
| 2017-04-06 | 52.7.227.102 (ClassC) |
| 2017-04-08 | 52.87.2.4 (ClassC) |
| 2017-10-25 | 34.233.12.25 (ClassC) |
| 2018-01-19 | 34.233.235.212 (ClassC) |
| 2018-03-29 | 54.84.176.47 (ClassC) |
| 2018-06-09 | 38.18.228.128 (ClassC) |
| 2018-12-06 | 185.230.60.177 (ClassC) |
| 2019-02-04 | 185.230.60.161 (ClassC) |
| 2019-06-11 | 35.203.68.147 (ClassC) |
| 2019-08-10 | 185.230.60.195 (ClassC) |
| 2019-10-09 | 185.230.60.211 (ClassC) |
| 2019-10-19 | 185.230.61.177 (ClassC) |
| 2019-11-08 | 185.230.61.161 (ClassC) |
| 2019-12-08 | 185.230.61.211 (ClassC) |
| 2020-04-07 | 185.230.60.96 (ClassC) |
| 2020-10-06 | 34.73.24.83 (ClassC) |
| 2020-12-05 | 185.230.60.102 (ClassC) |
| 2021-11-30 | 34.117.168.233 (ClassC) |
| 2022-09-26 | 199.15.163.128 (ClassC) |
| 2022-09-26 | 199.15.163.148 (ClassC) |
| 2026-03-01 | 34.149.87.45 (ClassC) |
| Date | Domain | IP |
| mail.zenas.ch | 2025-11-29 | 195.137.212.199 |
| www.zenas.ch | 2015-08-04 | 216.185.153.87 |