| Date | IP Address |
| 2025-12-15 | 85.13.155.152 (ClassC) |
| Date | Domain | IP |
| ms1.duelfer.net | 2025-10-23 | 85.13.155.152 |
| mail12.duelfer.net | 2025-10-23 | 85.13.155.152 |
| imap2.duelfer.net | 2025-10-25 | 85.13.155.152 |
| mail3.duelfer.net | 2025-11-01 | 85.13.155.152 |
| mx5.duelfer.net | 2025-10-23 | 85.13.155.152 |
| barracuda.duelfer.net | 2025-12-15 | 85.13.155.152 |
| etch.duelfer.net | 2025-10-23 | 85.13.155.152 |
| newmail.duelfer.net | 2025-10-22 | 85.13.155.152 |
| m.duelfer.net | 2025-10-23 | 85.13.155.152 |
| balisheim.duelfer.net | 2025-12-14 | 85.13.155.152 |
| correo.duelfer.net | 2025-12-13 | 85.13.155.152 |
| ftp.duelfer.net | 2025-10-22 | 85.13.155.152 |
| mailer.duelfer.net | 2025-10-22 | 85.13.155.152 |
| mailsrv.duelfer.net | 2025-10-20 | 85.13.155.152 |