| Date | IP Address |
| 2021-06-16 | 13.249.75.127 (ClassC) |
| 2021-06-16 | 13.249.75.79 (ClassC) |
| 2025-01-29 | 52.84.162.127 (ClassC) |
| 2025-03-01 | 99.84.66.43 (ClassC) |
| 2025-04-21 | 52.84.162.45 (ClassC) |
| 2025-11-19 | 3.175.34.71 (ClassC) |
| Date | Domain | IP |
| engage.email.qa.sparkpost.corptech.nylcloud.com | 2025-09-03 | 18.161.6.8 |
| content.engage.email.qa.sparkpost.corptech.nylcloud.com | 2025-07-31 | 204.246.191.66 |
| engage.email.stage.sparkpost.corptech.nylcloud.com | 2025-01-29 | 52.84.162.127 |
| content.engage.email.sparkpost.corptech.nylcloud.com | 2021-08-24 | 13.249.135.21 |