| Date | IP Address |
| 2021-02-09 | 112.78.2.75 (ClassC) |
| 2025-09-18 | 103.138.88.50 (ClassC) |
| 2026-01-27 | 112.78.2.45 (ClassC) |
| Date | Domain | IP |
| mail10.napchainhua.com | 2025-09-08 | 103.138.88.50 |
| mail01.napchainhua.com | 2025-07-30 | 103.138.88.50 |
| mail11.napchainhua.com | 2025-07-30 | 103.138.88.50 |
| mail02.napchainhua.com | 2025-08-04 | 103.138.88.50 |
| mail12.napchainhua.com | 2025-08-17 | 103.138.88.50 |
| mail2.napchainhua.com | 2025-09-16 | 103.138.88.50 |
| imap2.napchainhua.com | 2025-09-20 | 103.138.88.50 |
| mail4.napchainhua.com | 2025-08-22 | 103.138.88.50 |
| mail5.napchainhua.com | 2025-09-17 | 103.138.88.50 |
| mail7.napchainhua.com | 2025-08-21 | 103.138.88.50 |
| mail8.napchainhua.com | 2025-08-24 | 103.138.88.50 |
| mail9.napchainhua.com | 2025-07-23 | 103.138.88.50 |
| barracuda.napchainhua.com | 2025-08-01 | 103.138.88.50 |
| exchange.napchainhua.com | 2025-09-14 | 103.138.88.50 |
| home.napchainhua.com | 2025-08-17 | 103.138.88.50 |
| comune.napchainhua.com | 2025-08-13 | 103.138.88.50 |
| mail.comune.napchainhua.com | 2025-09-18 | 103.138.88.50 |
| gate.napchainhua.com | 2025-08-04 | 103.138.88.50 |
| blog.napchainhua.com | 2025-08-13 | 103.138.88.50 |
| auth.napchainhua.com | 2025-05-24 | 103.138.88.50 |
| mail.napchainhua.com | 2025-05-11 | 103.138.88.96 |
| email.napchainhua.com | 2025-05-24 | 103.138.88.50 |
| m.napchainhua.com | 2025-05-13 | 103.138.88.50 |
| antispam.napchainhua.com | 2025-08-13 | 103.138.88.50 |
| correo.napchainhua.com | 2025-07-28 | 103.138.88.50 |
| imap.napchainhua.com | 2025-09-29 | 103.138.88.50 |
| ftp.napchainhua.com | 2025-05-16 | 103.138.88.50 |
| authsmtp.napchainhua.com | 2025-06-29 | 103.138.88.50 |
| hermes.napchainhua.com | 2025-08-10 | 103.138.88.50 |
| gw.napchainhua.com | 2025-08-03 | 103.138.88.50 |
| a.mx.napchainhua.com | 2025-08-13 | 103.138.88.50 |
| box.napchainhua.com | 2025-06-14 | 103.138.88.50 |