| Property | Value |
| dns@proofpoint.com | |
| NameServer | NS3.PROOFPOINT.COM |
| Created | 2001-08-08 00:00:00 |
| Changed | 2014-05-19 00:00:00 |
| Expires | 2018-08-08 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2025-03-01 | 40.172.73.225 (ClassC) |
| 2025-03-23 | 3.28.217.188 (ClassC) |
| 2025-04-16 | 3.28.4.49 (ClassC) |
| 2025-04-19 | 3.29.28.46 (ClassC) |
| 2025-05-14 | 51.112.38.140 (ClassC) |
| 2025-06-14 | 3.29.227.241 (ClassC) |
| 2025-06-17 | 3.28.162.238 (ClassC) |
| 2025-07-16 | 40.172.124.178 (ClassC) |
| 2025-07-20 | 51.112.3.15 (ClassC) |
| 2025-08-02 | 3.28.238.142 (ClassC) |
| 2025-08-22 | 3.28.249.122 (ClassC) |
| 2025-09-13 | 3.28.15.56 (ClassC) |
| 2025-09-28 | 3.29.60.210 (ClassC) |