| Date | IP Address |
| 2018-10-17 | 212.47.208.172 (ClassC) |
| 2025-01-24 | 185.86.211.139 (ClassC) |
| Date | Domain | IP |
| mail.waldorfkool.info | 2025-01-09 | 185.86.211.139 |
| pop.waldorfkool.info | 2025-01-24 | 185.86.211.139 |
| ftp.waldorfkool.info | 2025-01-24 | 185.86.211.139 |
| smtp.waldorfkool.info | 2024-10-09 | 185.86.211.139 |