| Date | IP Address |
| 2013-01-14 | 74.119.145.26 (ClassC) |
| 2021-08-31 | 172.64.200.4 (ClassC) |
| 2021-11-28 | 172.64.134.36 (ClassC) |
| 2025-05-21 | 103.7.64.177 (ClassC) |
| 2025-12-07 | 104.21.24.213 (ClassC) |
| 2026-03-04 | 172.67.220.209 (ClassC) |
| Date | Domain | IP |
| examarchive.natboard.edu.in | 2025-11-01 | 101.53.145.27 |
| exam.natboard.edu.in | 2025-10-14 | 104.21.24.213 |
| crm.natboard.edu.in | 2025-10-02 | 101.53.145.27 |
| accr.natboard.edu.in | 2025-05-23 | 103.7.64.177 |
| cns.natboard.edu.in | 2025-05-21 | 103.7.64.177 |
| cet.natboard.edu.in | 2025-10-14 | 101.53.145.27 |
| www.natboard.edu.in | 2025-05-31 | 103.7.64.177 |