| Date | IP Address |
| 2025-10-24 | 222.76.216.145 (ClassC) |
| Date | Domain | IP |
| mail10.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mail01.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mail11.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mail02.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mail12.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mail2.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| spam.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| imap.sino-boston.com | 2025-10-24 | 74.208.176.40 |
| server.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| ns.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| root.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| mailout.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| srv.sino-boston.com | 2025-06-04 | 222.76.216.145 |
| mailsrv.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| box.sino-boston.com | 2025-10-24 | 222.76.216.145 |
| relay.sino-boston.com | 2025-06-04 | 222.76.216.145 |