| Date | IP Address |
| 2018-04-25 | 104.91.200.21 (ClassC) |
| 2019-04-08 | 104.117.0.196 (ClassC) |
| 2023-08-25 | 104.101.154.115 (ClassC) |
| 2025-02-09 | 23.210.148.152 (ClassC) |
| 2025-03-20 | 104.92.226.234 (ClassC) |
| 2025-11-06 | 23.11.20.153 (ClassC) |
| 2025-11-09 | 23.222.153.96 (ClassC) |
| 2025-11-13 | 104.86.91.183 (ClassC) |
| 2026-01-04 | 23.6.246.232 (ClassC) |
| Date | Domain | IP |
| portal.dnc.gov.sg | 2025-03-19 | 54.151.154.32 |
| www.dnc.gov.sg | 2023-08-25 | 23.193.84.71 |