| Date | IP Address |
| 2019-07-25 | 103.57.25.17 (ClassC) |
| 2025-02-07 | 36.255.223.40 (ClassC) |
| 2025-12-10 | 118.193.35.188 (ClassC) |
| Date | Domain | IP |
| mx10.cul.cn | 2025-05-23 | 103.57.25.17 |
| mail01.cul.cn | 2025-12-08 | 103.57.25.17 |
| mx01.cul.cn | 2025-06-30 | 103.57.25.17 |
| smtp1.cul.cn | 2025-05-23 | 103.57.25.17 |
| server1.cul.cn | 2025-05-25 | 103.57.25.17 |
| ms1.cul.cn | 2025-06-18 | 103.57.25.17 |
| mx1.cul.cn | 2025-05-27 | 103.57.25.17 |
| relay1.cul.cn | 2025-12-05 | 103.57.25.17 |
| mail02.cul.cn | 2025-12-07 | 103.57.25.17 |
| mx02.cul.cn | 2025-12-07 | 103.57.25.17 |
| mail2.cul.cn | 2025-05-27 | 103.57.25.17 |
| server2.cul.cn | 2025-05-22 | 103.57.25.17 |
| mx2.cul.cn | 2025-07-14 | 103.57.25.17 |
| mx3.cul.cn | 2025-05-23 | 103.57.25.17 |
| mail4.cul.cn | 2025-12-07 | 103.57.25.17 |
| mx4.cul.cn | 2025-05-24 | 103.57.25.17 |
| mail5.cul.cn | 2025-06-30 | 103.57.25.17 |
| mx5.cul.cn | 2025-05-22 | 103.57.25.17 |
| mail6.cul.cn | 2025-12-07 | 103.57.25.17 |
| mail7.cul.cn | 2025-12-07 | 103.57.25.17 |
| mail8.cul.cn | 2025-05-21 | 103.57.25.17 |
| mail9.cul.cn | 2025-12-07 | 103.57.25.17 |
| barracuda.cul.cn | 2025-12-09 | 103.57.25.17 |
| cnina.cul.cn | 2025-12-08 | 103.57.25.17 |
| mta.cul.cn | 2025-05-24 | 103.57.25.17 |
| poczta.cul.cn | 2025-05-25 | 103.57.25.17 |
| cname.cul.cn | 2025-12-07 | 103.57.25.17 |
| home.cul.cn | 2025-12-08 | 103.57.25.17 |
| comune.cul.cn | 2025-05-26 | 103.57.25.17 |
| smtp.comune.cul.cn | 2025-08-10 | 103.57.25.17 |
| mailgate.cul.cn | 2025-05-21 | 103.57.25.17 |
| l.cul.cn | 2025-12-07 | 103.57.25.17 |
| webmail.cul.cn | 2025-12-09 | 103.57.25.17 |
| outmail.cul.cn | 2025-12-08 | 103.57.25.17 |
| zmail.cul.cn | 2024-12-15 | 103.57.25.17 |
| spam.cul.cn | 2025-12-07 | 103.57.25.17 |
| correo.cul.cn | 2025-05-24 | 103.57.25.17 |
| po.cul.cn | 2025-12-07 | 103.57.25.17 |
| smtpseguro.cul.cn | 2025-05-23 | 103.57.25.17 |
| imap.cul.cn | 2025-12-08 | 103.57.25.17 |
| pop.cul.cn | 2025-07-04 | 103.57.25.17 |
| ftp.cul.cn | 2025-02-03 | 103.57.25.17 |
| smtp.cul.cn | 2025-12-07 | 103.57.25.17 |
| mailer.cul.cn | 2025-12-09 | 103.57.25.17 |
| sniper.cul.cn | 2025-12-08 | 103.57.25.17 |
| mailserver.cul.cn | 2025-12-08 | 103.57.25.17 |
| ms.cul.cn | 2025-05-24 | 103.57.25.17 |
| mxs.cul.cn | 2025-05-24 | 103.57.25.17 |
| root.cul.cn | 2025-12-07 | 103.57.25.17 |
| test.cul.cn | 2025-12-07 | 103.57.25.17 |
| mailhost.cul.cn | 2025-12-08 | 103.57.25.17 |
| post.cul.cn | 2025-12-09 | 103.57.25.17 |
| out.cul.cn | 2025-05-26 | 103.57.25.17 |
| srv.cul.cn | 2025-05-23 | 103.57.25.17 |
| mailsrv.cul.cn | 2025-12-07 | 103.57.25.17 |
| www.cul.cn | 2025-09-15 | 103.57.25.17 |
| mailx.cul.cn | 2025-06-30 | 103.57.25.17 |
| mx.cul.cn | 2025-11-04 | 103.57.25.17 |
| box.cul.cn | 2025-12-08 | 103.57.25.17 |
| mbox.cul.cn | 2025-08-18 | 103.57.25.17 |
| relay.cul.cn | 2025-12-08 | 103.57.25.17 |
| mailrelay.cul.cn | 2025-05-22 | 103.57.25.17 |