| Date | IP Address |
| 2023-08-04 | 63.140.36.14 (ClassC) |
| 2023-10-16 | 63.140.36.138 (ClassC) |
| 2024-08-30 | 63.140.37.126 (ClassC) |
| 2025-03-27 | 63.140.37.244 (ClassC) |
| 2025-03-30 | 63.140.36.145 (ClassC) |
| 2025-06-04 | 63.140.37.103 (ClassC) |
| Date | Domain | IP |
| image.email.costacruise.com | 2025-03-24 | 23.192.230.148 |
| click.email.costacruise.com | 2025-05-10 | 128.17.224.158 |
| smetrics.costacruise.com | 2023-08-04 | 63.140.36.14 |
| new.costacruise.com | 2018-06-23 | 104.106.25.38 |
| www.costacruise.com | 2024-09-21 | 23.209.30.19 |