| 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 |
| 2025-04-15 | 52.221.1.71 (ClassC) |
| 2025-05-04 | 54.251.128.244 (ClassC) |
| 2025-06-11 | 3.0.121.57 (ClassC) |
| 2025-06-17 | 13.228.242.211 (ClassC) |
| 2025-07-20 | 52.74.112.252 (ClassC) |
| 2025-08-01 | 18.136.185.77 (ClassC) |
| 2025-08-05 | 52.220.179.67 (ClassC) |
| 2025-08-12 | 52.220.58.124 (ClassC) |
| 2025-08-21 | 18.140.216.124 (ClassC) |
| 2025-09-16 | 18.140.33.72 (ClassC) |
| 2025-09-29 | 54.179.102.132 (ClassC) |
| 2025-12-04 | 18.142.10.213 (ClassC) |