| Date | IP Address |
| 2025-07-11 | 44.240.126.64 (ClassC) |
| 2026-01-22 | 52.37.53.228 (ClassC) |
| Date | Domain | IP |
| authentication.pdc4u.com | 2026-01-07 | 44.246.106.60 |
| transaction.pdc4u.com | 2025-02-02 | 44.230.218.175 |
| www.pdc4u.com | 2024-11-25 | 52.12.36.69 |
| gateway.pdc4u.com | 2026-01-22 | 52.37.53.228 |