| Property | Value |
| Name | j2 Global Holdings Limited |
| Address | First Floor, 40 Esplanade |
| Zip Code | Jersey |
| City | St. Helier |
| State | JE2 3QD |
| NameServer | ns2.j2global.com |
| Created | 1998-02-05 00:00:00 |
| Changed | 2014-05-29 00:00:00 |
| Expires | 2016-02-05 00:00:00 |
| Registrar | Corporation Service |
| Date | IP Address |
| 2013-09-18 | 204.11.168.57 (ClassC) |
| 2019-03-10 | 172.226.77.128 (ClassC) |
| 2021-03-24 | 2.17.43.123 (ClassC) |
| 2024-09-06 | 104.18.16.240 (ClassC) |
| 2025-08-09 | 104.18.17.240 (ClassC) |
| Date | Domain | IP |
| home.efax.co.uk | 2014-10-09 | 165.254.24.158 |
| portal.efax.co.uk | 2025-05-24 | 104.18.16.240 |
| origin-portal.efax.co.uk | 2025-07-22 | 204.11.168.57 |
| sassets.efax.co.uk | 2015-02-17 | 23.60.128.158 |
| www.efax.co.uk | 2024-09-06 | 104.18.16.240 |