| Property | Value |
| Name | INLAND REVENUE AUTHORITY OF SINGAPORE |
| NameServer | A16-67.AKAM.NET |
| Created | 1996-04-01 00:00:00 |
| Changed | 2016-03-01 15:50:42 |
| Expires | 2017-03-31 00:00:00 |
| Registrar | GOVERNMENT TECHNOLOG |
| Date | IP Address |
| 2016-10-22 | 184.31.197.10 (ClassC) |
| 2017-11-06 | 23.201.86.102 (ClassC) |
| 2017-11-20 | 104.91.171.106 (ClassC) |
| 2018-01-27 | 104.73.254.43 (ClassC) |
| 2018-08-27 | 23.4.102.236 (ClassC) |
| 2023-08-26 | 23.193.82.86 (ClassC) |
| 2023-12-26 | 104.70.127.177 (ClassC) |
| 2024-07-13 | 23.44.175.103 (ClassC) |
| 2024-07-29 | 23.46.228.167 (ClassC) |
| 2024-10-01 | 23.46.228.175 (ClassC) |
| 2024-10-22 | 23.44.175.119 (ClassC) |
| 2025-02-25 | 104.103.69.115 (ClassC) |
| 2025-06-16 | 23.59.177.212 (ClassC) |
| 2025-07-05 | 23.46.228.170 (ClassC) |
| 2025-08-11 | 23.46.228.168 (ClassC) |
| Date | Domain | IP |
| waitingroompoc.iras.gov.sg | 2025-03-19 | 52.198.40.233 |
| oidc.prod.iras.gov.sg | 2023-08-25 | 23.74.137.123 |
| o9-oidc.prod.iras.gov.sg | 2025-08-11 | 202.6.165.6 |
| queue.iras.gov.sg | 2025-05-20 | 43.206.48.99 |
| ihs-api.iras.gov.sg | 2025-03-21 | 3.1.106.59 |
| sandbox.api.iras.gov.sg | 2025-07-26 | 52.139.251.224 |
| elearn.iras.gov.sg | 2025-07-22 | 124.243.135.206 |
| ppo.iras.gov.sg | 2025-08-06 | 104.16.213.134 |
| ppp.iras.gov.sg | 2025-07-19 | 104.16.213.134 |
| apiservices.iras.gov.sg | 2023-08-26 | 23.193.82.86 |
| ihs-apiuat.iras.gov.sg | 2025-03-21 | 52.220.138.135 |
| mytaxuat.iras.gov.sg | 2025-07-09 | 23.41.4.78 |
| mytaxsit.iras.gov.sg | 2025-05-31 | 23.41.4.78 |
| eappointment.iras.gov.sg | 2025-05-28 | 13.76.255.31 |
| eort.iras.gov.sg | 2023-08-26 | 184.30.98.132 |
| oidc.stgort.iras.gov.sg | 2023-08-25 | 23.74.137.123 |
| o9-oidc.stgort.iras.gov.sg | 2025-06-14 | 202.6.165.122 |
| mytaxdev.iras.gov.sg | 2025-03-20 | 23.202.47.59 |
| www.iras.gov.sg | 2025-08-10 | 104.16.213.134 |
| mytax.iras.gov.sg | 2023-08-26 | 23.193.82.86 |
| apisandbox.iras.gov.sg | 2023-08-26 | 23.193.82.86 |