| Date | IP Address |
| 2021-03-27 | 85.128.185.12 (ClassC) |
| 2025-04-11 | 85.128.138.185 (ClassC) |
| Date | Domain | IP |
| mail10.firebird.com.pl | 2024-09-28 | 85.128.138.185 |
| mx0.firebird.com.pl | 2024-11-29 | 85.128.138.185 |
| mail01.firebird.com.pl | 2024-11-05 | 85.128.138.185 |
| mx01.firebird.com.pl | 2024-09-21 | 85.128.138.185 |
| smtp1.firebird.com.pl | 2024-10-07 | 85.128.138.185 |
| server1.firebird.com.pl | 2025-03-12 | 85.128.138.185 |
| ms1.firebird.com.pl | 2024-10-18 | 85.128.138.185 |
| www1.firebird.com.pl | 2024-10-21 | 85.128.138.185 |
| mail02.firebird.com.pl | 2024-10-09 | 85.128.138.185 |
| mx02.firebird.com.pl | 2024-10-09 | 85.128.138.185 |
| imap2.firebird.com.pl | 2024-09-29 | 85.128.138.185 |
| mail3.firebird.com.pl | 2025-03-24 | 85.128.138.185 |
| pop3.firebird.com.pl | 2025-01-28 | 85.128.138.185 |
| mail5.firebird.com.pl | 2024-11-09 | 85.128.138.185 |
| mail7.firebird.com.pl | 2025-03-01 | 85.128.138.185 |
| mail8.firebird.com.pl | 2025-01-31 | 85.128.138.185 |
| exchange.firebird.com.pl | 2025-01-29 | 85.128.138.185 |
| secure.firebird.com.pl | 2025-03-18 | 85.128.138.185 |
| mailgate.firebird.com.pl | 2024-10-21 | 85.128.138.185 |
| remote.firebird.com.pl | 2025-03-05 | 85.128.138.185 |
| auth.firebird.com.pl | 2025-01-13 | 85.128.138.185 |
| mail.firebird.com.pl | 2025-04-07 | 85.128.138.185 |
| email.firebird.com.pl | 2024-10-12 | 85.128.138.185 |
| outmail.firebird.com.pl | 2025-01-23 | 85.128.138.185 |
| vmail.firebird.com.pl | 2025-03-16 | 85.128.138.185 |
| newmail.firebird.com.pl | 2025-02-17 | 85.128.138.185 |
| zmail.firebird.com.pl | 2025-01-20 | 85.128.138.185 |
| m.firebird.com.pl | 2025-02-17 | 85.128.138.185 |
| antispam.firebird.com.pl | 2024-09-14 | 85.128.138.185 |
| pop.firebird.com.pl | 2024-10-18 | 85.128.138.185 |
| ftp.firebird.com.pl | 2025-03-02 | 85.128.138.185 |
| mailer.firebird.com.pl | 2024-09-27 | 85.128.138.185 |
| sniper.firebird.com.pl | 2025-04-11 | 85.128.138.185 |
| postmaster.firebird.com.pl | 2025-02-01 | 85.128.138.185 |
| server.firebird.com.pl | 2025-01-26 | 85.128.138.185 |
| mailserver.firebird.com.pl | 2024-11-01 | 85.128.138.185 |
| ns.firebird.com.pl | 2024-11-04 | 85.128.138.185 |
| smtps.firebird.com.pl | 2025-02-20 | 85.128.138.185 |
| mailhost.firebird.com.pl | 2024-10-15 | 85.128.138.185 |
| post.firebird.com.pl | 2024-11-16 | 85.128.138.185 |
| mailout.firebird.com.pl | 2024-10-03 | 85.128.138.185 |
| mailsrv.firebird.com.pl | 2025-03-20 | 85.128.138.185 |
| mailgw.firebird.com.pl | 2024-12-01 | 85.128.138.185 |
| mailbox.firebird.com.pl | 2024-12-08 | 85.128.138.185 |
| mbox.firebird.com.pl | 2024-12-11 | 85.128.138.185 |