| 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 |
| 2021-08-06 | 18.204.136.148 (ClassC) |
| 2024-07-30 | 52.72.183.155 (ClassC) |
| 2025-01-19 | 52.10.78.138 (ClassC) |
| 2025-02-05 | 34.209.205.149 (ClassC) |
| 2025-02-07 | 52.89.1.235 (ClassC) |
| 2025-02-11 | 52.32.112.129 (ClassC) |
| 2025-02-18 | 54.186.187.200 (ClassC) |
| 2025-03-21 | 52.89.117.149 (ClassC) |
| 2025-03-29 | 52.24.118.159 (ClassC) |
| 2025-04-15 | 44.233.18.43 (ClassC) |
| 2025-04-29 | 23.21.14.75 (ClassC) |
| 2025-05-02 | 34.212.163.130 (ClassC) |