| Date | IP Address |
| 2021-02-23 | 216.58.192.179 (ClassC) |
| 2026-01-29 | 142.250.185.83 (ClassC) |
| Date | Domain | IP |
| mail1.mdziennik.net | 2025-04-06 | 142.250.185.83 |
| ms1.mdziennik.net | 2025-04-29 | 142.250.185.83 |
| mail02.mdziennik.net | 2026-01-25 | 142.250.185.83 |
| mail12.mdziennik.net | 2025-10-13 | 142.250.185.83 |
| mail2.mdziennik.net | 2025-10-12 | 142.250.185.83 |
| ns2.mdziennik.net | 2025-12-13 | 142.250.185.83 |
| mail3.mdziennik.net | 2025-10-12 | 142.250.185.83 |
| smtp3.mdziennik.net | 2025-10-12 | 142.250.185.83 |
| mail6.mdziennik.net | 2025-10-15 | 142.250.185.83 |
| mail7.mdziennik.net | 2025-10-13 | 142.250.185.83 |
| mail.comune.mdziennik.net | 2025-12-03 | 142.250.185.83 |
| mailgate.mdziennik.net | 2025-10-11 | 142.250.185.83 |
| authsmtp.mdziennik.net | 2025-10-12 | 142.250.185.83 |
| postmaster.mdziennik.net | 2025-10-21 | 142.250.185.83 |
| ns.mdziennik.net | 2025-10-12 | 142.250.185.83 |
| root.mdziennik.net | 2026-01-29 | 142.250.185.83 |
| post.mdziennik.net | 2025-10-11 | 142.250.185.83 |
| out.mdziennik.net | 2025-04-29 | 142.250.185.83 |
| box.mdziennik.net | 2025-10-12 | 142.250.185.83 |