| Date | IP Address |
| 2025-01-07 | 85.13.129.155 (ClassC) |
| Date | Domain | IP |
| imap1.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| smtp1.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| mx1.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| mail2.sauber-im-dienst.de | 2024-11-08 | 85.13.129.155 |
| smtp2.sauber-im-dienst.de | 2025-01-05 | 85.13.129.155 |
| ns2.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| relay2.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| exchange.sauber-im-dienst.de | 2024-11-25 | 85.13.129.155 |
| mailgate.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| auth.sauber-im-dienst.de | 2024-11-08 | 85.13.129.155 |
| mailin.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| correo.sauber-im-dienst.de | 2024-11-28 | 85.13.129.155 |
| pop.sauber-im-dienst.de | 2024-11-25 | 85.13.129.155 |
| smtps.sauber-im-dienst.de | 2024-11-08 | 85.13.129.155 |
| post.sauber-im-dienst.de | 2025-01-07 | 85.13.129.155 |
| mailx.sauber-im-dienst.de | 2024-11-08 | 85.13.129.155 |
| relay.sauber-im-dienst.de | 2024-12-17 | 85.13.129.155 |