| Date | IP Address |
| 2021-03-08 | 82.141.30.20 (ClassC) |
| 2026-01-04 | 193.53.246.64 (ClassC) |
| Date | Domain | IP |
| mx10.buddenkotte.de | 2025-07-23 | 85.13.149.64 |
| mx0.buddenkotte.de | 2025-08-15 | 85.13.149.64 |
| mail01.buddenkotte.de | 2025-09-15 | 85.13.149.64 |
| mail11.buddenkotte.de | 2025-06-06 | 85.13.149.64 |
| server1.buddenkotte.de | 2025-06-22 | 85.13.149.64 |
| mail2.buddenkotte.de | 2026-01-04 | 85.13.149.64 |
| smtp2.buddenkotte.de | 2025-07-30 | 85.13.149.64 |
| server2.buddenkotte.de | 2025-06-29 | 85.13.149.64 |
| mx2.buddenkotte.de | 2025-08-16 | 85.13.149.64 |
| relay2.buddenkotte.de | 2025-09-08 | 85.13.149.64 |
| mail5.buddenkotte.de | 2025-08-14 | 85.13.149.64 |
| home.buddenkotte.de | 2025-08-17 | 85.13.149.64 |
| newmail.buddenkotte.de | 2025-09-05 | 85.13.149.64 |
| m.buddenkotte.de | 2025-10-11 | 85.13.149.64 |
| antispam.buddenkotte.de | 2025-08-29 | 85.13.149.64 |
| imap.buddenkotte.de | 2025-12-16 | 85.13.149.64 |
| pop.buddenkotte.de | 2025-08-17 | 85.13.149.64 |
| mailer.buddenkotte.de | 2025-08-16 | 85.13.149.64 |
| ms.buddenkotte.de | 2025-12-16 | 85.13.149.64 |
| ns.buddenkotte.de | 2025-11-17 | 85.13.149.64 |
| mxs.buddenkotte.de | 2025-11-14 | 85.13.149.64 |
| host.buddenkotte.de | 2025-08-16 | 85.13.149.64 |
| out.buddenkotte.de | 2025-06-27 | 85.13.149.64 |
| srv.buddenkotte.de | 2025-06-21 | 85.13.149.64 |
| gw.buddenkotte.de | 2025-06-24 | 85.13.149.64 |
| www.buddenkotte.de | 2026-01-04 | 193.53.246.64 |
| mailx.buddenkotte.de | 2025-08-20 | 85.13.149.64 |
| mailrelay.buddenkotte.de | 2025-08-31 | 85.13.149.64 |