| Date | IP Address |
| 2025-01-05 | 85.13.141.212 (ClassC) |
| Date | Domain | IP |
| mail01.hein-kb.com | 2024-03-30 | 85.13.141.212 |
| mail1.hein-kb.com | 2024-11-27 | 85.13.141.212 |
| mail02.hein-kb.com | 2024-03-27 | 85.13.141.212 |
| mail12.hein-kb.com | 2024-03-26 | 85.13.141.212 |
| mail2.hein-kb.com | 2024-03-17 | 85.13.141.212 |
| mail3.hein-kb.com | 2024-03-17 | 85.13.141.212 |
| mail5.hein-kb.com | 2025-01-04 | 85.13.141.212 |
| mail6.hein-kb.com | 2024-03-26 | 85.13.141.212 |
| barracuda.hein-kb.com | 2024-03-26 | 85.13.141.212 |
| mta.hein-kb.com | 2024-03-30 | 85.13.141.212 |
| exchange.hein-kb.com | 2025-01-05 | 85.13.141.212 |
| home.hein-kb.com | 2025-01-05 | 85.13.141.212 |
| gate.hein-kb.com | 2024-03-17 | 85.13.141.212 |
| mail.hein-kb.com | 2024-03-17 | 85.13.141.212 |
| m.hein-kb.com | 2024-03-17 | 85.13.141.212 |
| antispam.hein-kb.com | 2025-01-04 | 85.13.141.212 |
| authsmtp.hein-kb.com | 2025-01-04 | 85.13.141.212 |
| mails.hein-kb.com | 2024-10-15 | 85.13.141.212 |
| gw.hein-kb.com | 2025-01-05 | 85.13.141.212 |
| mbox.hein-kb.com | 2024-03-26 | 85.13.141.212 |