| Date | IP Address |
| 2021-11-09 | 23.44.10.32 (ClassC) |
| 2022-09-03 | 104.77.173.106 (ClassC) |
| 2023-08-04 | 23.211.60.53 (ClassC) |
| 2023-10-23 | 23.211.60.27 (ClassC) |
| 2024-04-30 | 23.32.57.24 (ClassC) |
| 2024-07-22 | 23.11.215.114 (ClassC) |
| 2024-08-23 | 23.53.243.115 (ClassC) |
| 2024-08-31 | 23.11.215.32 (ClassC) |
| 2024-09-15 | 23.11.215.75 (ClassC) |
| 2024-10-07 | 23.202.229.22 (ClassC) |
| 2024-10-14 | 23.212.0.247 (ClassC) |
| 2024-11-25 | 23.47.149.105 (ClassC) |
| 2025-04-23 | 23.11.215.137 (ClassC) |
| 2025-05-06 | 23.11.215.147 (ClassC) |
| 2025-06-30 | 23.47.149.168 (ClassC) |
| 2025-08-12 | 23.47.149.195 (ClassC) |
| 2026-01-21 | 23.47.149.112 (ClassC) |
| Date | Domain | IP |
| pdcsmtp02.incometax.gov.in | 2013-04-18 | 125.19.19.84 |
| static.incometax.gov.in | 2023-08-04 | 23.212.252.130 |
| eportal.incometax.gov.in | 2025-09-05 | 43.239.61.11 |
| webmail.incometax.gov.in | 2025-09-11 | 61.246.137.87 |
| info.incometax.gov.in | 2024-08-04 | 23.46.17.16 |
| chatbot.incometax.gov.in | 2024-08-24 | 43.239.61.16 |
| www.incometax.gov.in | 2023-08-04 | 23.211.60.53 |