| Date | IP Address |
| 2025-06-05 | 35.174.212.242 (ClassC) |
| 2025-06-26 | 35.153.5.188 (ClassC) |
| 2025-10-10 | 34.192.55.102 (ClassC) |
| 2025-10-14 | 52.73.191.146 (ClassC) |
| 2025-11-13 | 98.85.140.171 (ClassC) |
| 2026-01-05 | 18.210.220.69 (ClassC) |
| 2026-01-15 | 54.159.145.5 (ClassC) |
| Date | Domain | IP |
| us1.proofpointessentials.com | 2025-09-02 | 34.206.244.241 |
| us2.proofpointessentials.com | 2025-10-14 | 52.73.191.146 |
| us4.proofpointessentials.com | 2025-11-22 | 34.231.190.153 |
| us5.proofpointessentials.com | 2025-06-24 | 3.81.237.251 |
| www.proofpointessentials.com | 2025-11-23 | 45.60.151.207 |