| Date | IP Address |
| 2023-11-10 | 172.67.15.109 (ClassC) |
| 2024-01-27 | 172.67.74.212 (ClassC) |
| 2024-02-03 | 104.26.7.170 (ClassC) |
| 2026-01-26 | 23.227.38.65 (ClassC) |
| Date | Domain | IP |
| r.sendinblue.cardosystems.com | 2025-03-09 | 1.179.112.195 |
| autodiscover.cardosystems.com | 2024-07-25 | 52.96.119.120 |
| www.cardosystems.com | 2025-09-10 | 23.227.38.74 |
| 3dz.cardosystems.com | 2024-07-22 | 172.67.23.184 |