| Date | IP Address |
| 2021-03-24 | 67.72.16.137 (ClassC) |
| 2026-02-28 | 34.174.112.203 (ClassC) |
| Date | Domain | IP |
| mail2.y101.com | 2024-03-16 | 216.97.227.50 |
| server2.y101.com | 2024-02-28 | 35.215.64.22 |
| ns2.y101.com | 2024-02-23 | 35.215.64.22 |
| mta.y101.com | 2024-02-23 | 35.215.64.22 |
| careerread.y101.com | 2024-02-28 | 35.215.64.22 |
| outmail.y101.com | 2024-03-16 | 35.215.64.22 |
| vmail.y101.com | 2023-07-19 | 35.215.64.22 |
| imap.y101.com | 2024-03-17 | 35.215.64.22 |
| ftp.y101.com | 2026-02-28 | 34.174.112.203 |
| imgsrv.y101.com | 2024-03-12 | 93.184.215.223 |