| 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 |