| Date | IP Address |
| 2025-05-07 | 1.179.120.3 (ClassC) |
| 2025-07-07 | 1.179.112.197 (ClassC) |
| 2025-08-13 | 1.179.112.195 (ClassC) |
| 2025-11-29 | 1.179.112.196 (ClassC) |
| Date | Domain | IP |
| qc.taxmann.com | 2025-08-21 | 3.108.154.85 |
| practiceprod.taxmann.com | 2025-09-25 | 35.154.248.50 |
| blog.taxmann.com | 2025-11-03 | 223.30.71.156 |
| api.taxmann.com | 2025-07-26 | 15.206.226.15 |
| liveresearchapi.taxmann.com | 2025-08-27 | 13.127.72.76 |
| mail.taxmann.com | 2025-05-08 | 13.235.159.128 |
| r.sentmail.taxmann.com | 2025-05-07 | 1.179.120.3 |
| idt.taxmann.com | 2022-01-21 | 13.127.61.111 |
| support.taxmann.com | 2025-08-27 | 35.154.0.244 |
| www.taxmann.com | 2023-11-01 | 65.1.81.67 |