| Property | Value |
| Name | Director of Income Tax (Sys)-IV |
| Organization | Income Tax Department |
| dit4.systems@incometax.gov.in | |
| Zip Code | 110055 |
| City | New Delhi |
| State | Delhi |
| Country | IN |
| Phone | +91.1202770095 |
| Fax | +91.1202770097 |
| NameServer | dnsdel.mantraonline.com |
| Created | 2004-05-31 04:00:00 |
| Changed | 2015-05-25 11:10:40 |
| Expires | 2017-05-31 04:00:00 |
| Registrar | National Informatics |
| Date | IP Address |
| 2013-08-08 | 210.210.1.138 (ClassC) |
| 2023-10-24 | 182.73.208.9 (ClassC) |
| 2023-11-09 | 49.249.23.131 (ClassC) |
| 2024-10-30 | 3.7.64.26 (ClassC) |
| Date | Domain | IP |
| www.incometaxindia.gov.in | 2023-08-18 | 182.73.208.9 |