| Property | Value |
| Name | GNU/FSF Hostmaster |
| Organization | Free Software Foundation |
| hostmaster@gnu.org | |
| Address | 51 Franklin Street, Fifth Floor |
| Zip Code | 02110-1301 |
| City | Boston |
| State | MA |
| Country | US |
| Phone | +1.6175425942 |
| Fax | +1.6175422652 |
| NameServer | ns2.gnu.org |
| Created | 1991-02-01 05:00:00 |
| Changed | 2011-11-17 17:22:38 |
| Expires | 2020-02-02 05:00:00 |
| Registrar | Gandi SAS |
| Date | IP Address |
| 2025-11-18 | 209.51.188.92 (ClassC) |
| Date | Domain | IP |
| office.fsf.org | 2025-11-16 | 209.51.188.174 |
| mail.freesoftware.fsf.org | 2025-11-18 | 209.51.188.92 |
| member.fsf.org | 2025-09-22 | 209.51.188.174 |
| jitsi.member.fsf.org | 2025-09-25 | 209.51.188.244 |
| members.fsf.org | 2025-11-01 | 209.51.188.174 |
| www.fsf.org | 2025-11-13 | 209.51.188.174 |