| Date | IP Address |
| 2022-03-17 | 54.77.37.21 (ClassC) |
| 2023-05-15 | 54.77.26.108 (ClassC) |
| 2023-08-26 | 52.17.118.52 (ClassC) |
| 2023-10-31 | 34.252.59.3 (ClassC) |
| 2023-12-01 | 52.19.0.100 (ClassC) |
| 2024-06-17 | 63.33.158.0 (ClassC) |
| 2024-07-02 | 52.51.169.209 (ClassC) |
| 2024-09-10 | 54.74.176.159 (ClassC) |
| 2024-11-04 | 54.229.77.105 (ClassC) |
| 2024-11-20 | 34.253.15.43 (ClassC) |
| 2024-12-28 | 52.215.76.174 (ClassC) |
| 2025-01-12 | 54.78.90.216 (ClassC) |
| 2025-01-30 | 52.49.212.139 (ClassC) |
| 2025-04-14 | 54.154.133.36 (ClassC) |
| 2025-04-21 | 34.249.175.143 (ClassC) |
| 2025-04-25 | 99.80.162.0 (ClassC) |
| 2025-06-23 | 52.31.157.28 (ClassC) |
| 2025-07-03 | 34.249.188.18 (ClassC) |
| 2025-08-04 | 54.154.23.104 (ClassC) |
| 2025-10-20 | 54.229.108.208 (ClassC) |
| 2025-11-13 | 54.171.170.52 (ClassC) |
| 2025-12-15 | 54.72.231.33 (ClassC) |
| Date | Domain | IP |
| www.zoosk-mailing.com | 2023-12-01 | 52.51.216.213 |
| staging-www.zoosk-mailing.com | 2025-02-09 | 52.51.31.199 |