| Date | IP Address |
| 2021-04-03 | 85.13.157.12 (ClassC) |
| 2026-02-14 | 85.13.161.47 (ClassC) |
| Date | Domain | IP |
| mail3.dasguptao.com | 2025-10-11 | 85.13.161.47 |
| exchange.dasguptao.com | 2025-10-09 | 85.13.161.47 |
| email.dasguptao.com | 2025-10-10 | 85.13.161.47 |
| imap.dasguptao.com | 2026-02-14 | 85.13.161.47 |
| hermes.dasguptao.com | 2025-10-09 | 85.13.161.47 |
| mbox.dasguptao.com | 2025-10-09 | 85.13.161.47 |