| 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 |
| 2014-06-15 | 23.62.237.118 (ClassC) |
| 2019-07-11 | 204.11.168.57 (ClassC) |
| 2024-01-10 | 104.18.43.57 (ClassC) |
| 2024-08-04 | 172.64.144.199 (ClassC) |
| 2025-10-21 | 104.18.17.240 (ClassC) |
| 2025-11-23 | 104.18.16.240 (ClassC) |
| Date | Domain | IP |
| home.efax.co.uk | 2014-10-09 | 165.254.24.158 |
| portal.efax.co.uk | 2025-09-06 | 104.18.16.240 |
| origin-portal.efax.co.uk | 2025-09-21 | 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 |