| Date | IP Address |
| 2021-02-22 | 122.114.87.98 (ClassC) |
| 2025-07-22 | 172.65.190.172 (ClassC) |
| 2025-09-22 | 104.21.75.92 (ClassC) |
| 2026-02-13 | 172.67.217.163 (ClassC) |
| Date | Domain | IP |
| a1.19s.net | 2025-12-12 | 172.67.217.163 |
| smtp1.19s.net | 2025-07-29 | 172.65.190.172 |
| sky21022.19s.net | 2025-07-22 | 172.65.190.172 |
| imap2.19s.net | 2025-07-29 | 172.65.190.172 |
| www2.19s.net | 2025-07-23 | 172.65.190.172 |
| pop3.19s.net | 2025-08-02 | 172.65.190.172 |
| 14468627.19s.net | 2025-09-12 | 104.21.48.1 |
| poczta.19s.net | 2025-09-23 | 104.21.75.92 |
| helloworld.19s.net | 2025-09-19 | 172.67.217.163 |
| mobile.19s.net | 2025-08-22 | 104.21.48.1 |
| secure.19s.net | 2025-07-30 | 172.65.190.172 |
| remote.19s.net | 2025-08-26 | 104.21.80.1 |
| smtpauth.19s.net | 2025-08-17 | 104.21.80.1 |
| mail.19s.net | 2025-11-12 | 172.67.217.163 |
| m.19s.net | 2025-09-21 | 172.67.217.163 |
| spam.19s.net | 2025-07-22 | 172.65.190.172 |
| mailin.19s.net | 2025-08-04 | 172.65.190.172 |
| ftp.19s.net | 2025-08-04 | 172.65.190.172 |
| authsmtp.19s.net | 2025-08-23 | 104.21.96.1 |
| mailer.19s.net | 2025-09-29 | 172.67.217.163 |
| smtps.19s.net | 2025-09-21 | 104.21.75.92 |
| 14468627ss.19s.net | 2025-07-25 | 172.65.190.172 |
| post.19s.net | 2025-08-17 | 104.21.32.1 |
| mailout.19s.net | 2025-09-18 | 104.21.75.92 |
| zvwfeaw.19s.net | 2025-07-23 | 172.65.190.172 |
| mailx.19s.net | 2025-09-22 | 172.67.217.163 |
| mx.19s.net | 2025-09-16 | 104.21.96.1 |
| mbox.19s.net | 2025-09-12 | 104.21.80.1 |
| relay.19s.net | 2025-08-02 | 172.65.190.172 |