| Property | Value |
| Name | Newcastle Building Society |
| Address | Portland House |
| Zip Code | NE1 8AL |
| City | New Bridge Street |
| State | Newcastle upon Tyne |
| Country | United Kingdom |
| NameServer | ns2.newcastle.co.uk 80.195.34.173 |
| Created | before Aug-1996 |
| Changed | 2016-02-09 00:00:00 |
| Expires | 2018-03-30 00:00:00 |
| Registrar | Corporation Service |
| Date | IP Address |
| 2021-09-30 | 23.38.189.97 (ClassC) |
| 2021-10-05 | 104.119.189.51 (ClassC) |
| 2021-10-06 | 204.237.204.80 (ClassC) |
| 2021-10-06 | 204.237.204.95 (ClassC) |
| 2023-12-12 | 23.1.33.216 (ClassC) |
| 2024-02-20 | 23.192.230.136 (ClassC) |
| 2024-07-04 | 23.44.175.157 (ClassC) |
| 2024-10-23 | 23.205.110.141 (ClassC) |
| 2025-09-23 | 23.55.167.11 (ClassC) |
| 2025-10-20 | 23.216.147.238 (ClassC) |
| 2025-12-17 | 23.192.230.154 (ClassC) |
| 2026-01-05 | 23.216.145.18 (ClassC) |
| Date | Domain | IP |
| qa.newcastle.co.uk | 2025-04-25 | 20.90.195.78 |
| stage.newcastle.co.uk | 2025-04-24 | 20.49.222.218 |
| feedback.newcastle.co.uk | 2024-11-27 | 3.165.160.47 |
| mail.newcastle.co.uk | 2023-08-26 | 52.96.164.66 |
| image.comm.newcastle.co.uk | 2024-02-20 | 23.192.230.136 |
| autodiscover.newcastle.co.uk | 2025-05-04 | 107.162.160.182 |
| uat.newcastle.co.uk | 2025-12-18 | 51.132.49.106 |
| dev.newcastle.co.uk | 2025-01-23 | 51.132.213.120 |
| www.newcastle.co.uk | 2023-08-25 | 20.108.58.71 |
| sandbox.newcastle.co.uk | 2025-07-18 | 20.117.254.64 |