| 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) |
| 2025-02-07 | 52.89.1.235 (ClassC) |
| 2025-02-19 | 44.232.11.62 (ClassC) |
| 2025-03-05 | 54.210.96.209 (ClassC) |
| 2025-03-13 | 34.216.2.67 (ClassC) |
| 2025-03-21 | 35.95.158.154 (ClassC) |
| 2025-03-25 | 54.201.180.198 (ClassC) |
| 2025-03-30 | 3.220.129.95 (ClassC) |
| 2025-04-14 | 44.196.109.3 (ClassC) |
| 2025-05-03 | 3.224.218.240 (ClassC) |