| Date | IP Address |
| 2013-04-01 | 61.8.233.157 (ClassC) |
| 2014-10-08 | 203.116.172.157 (ClassC) |
| 2015-04-26 | 203.116.172.214 (ClassC) |
| 2015-04-26 | 61.8.233.214 (ClassC) |
| 2018-05-06 | 118.189.94.14 (ClassC) |
| 2019-09-27 | 118.189.75.14 (ClassC) |
| 2020-11-08 | 129.126.57.46 (ClassC) |
| 2026-01-11 | 20.212.119.219 (ClassC) |
| Date | Domain | IP |
| link.duo.com.sg | 2025-09-07 | 172.64.151.2 |
| www.duo.com.sg | 2019-09-27 | 118.189.75.14 |