| Date | IP Address |
| 2021-05-28 | 115.231.152.240 (ClassC) |
| 2021-05-28 | 115.231.152.242 (ClassC) |
| 2021-05-28 | 115.231.152.244 (ClassC) |
| 2024-09-10 | 168.76.131.218 (ClassC) |
| 2025-06-26 | 172.67.178.45 (ClassC) |
| 2025-08-08 | 104.21.35.177 (ClassC) |
| Date | Domain | IP |
| mx0.techcarecn.com | 2024-10-02 | 168.76.131.218 |
| mx01.techcarecn.com | 2024-09-10 | 168.76.131.218 |
| auth.techcarecn.com | 2024-10-28 | 168.76.131.218 |
| mail.techcarecn.com | 2024-10-17 | 168.76.131.218 |
| imap.techcarecn.com | 2024-10-26 | 168.76.131.218 |
| pop.techcarecn.com | 2024-10-22 | 168.76.131.218 |
| mx.techcarecn.com | 2025-06-22 | 172.67.178.45 |