| Property | Value |
| Name | Domain Administrator |
| Organization | HArper Collins Publishers Pty Ltd |
| NameServer | dmtu.mt.ns.els-gms.att.net |
| Changed | 2015-09-29 09:32:34 |
| Registrar | MarkMonitor Inc. |
| Date | IP Address |
| 2024-05-09 | 34.204.223.24 (ClassC) |
| 2024-10-18 | 18.215.104.190 (ClassC) |
| 2025-03-19 | 75.101.152.4 (ClassC) |
| 2025-04-11 | 54.163.145.9 (ClassC) |
| 2025-06-03 | 54.88.125.22 (ClassC) |
| 2025-08-27 | 52.54.157.174 (ClassC) |
| 2025-09-22 | 34.234.255.6 (ClassC) |
| Date | Domain | IP |
| browseinside.harpercollins.com.au | 2015-03-15 | 165.254.155.97 |
| link.harpercollins.com.au | 2025-03-30 | 107.20.71.201 |
| ads.harpercollins.com.au | 2024-05-09 | 34.204.223.24 |
| www.harpercollins.com.au | 2014-08-11 | 63.156.193.169 |