| Date | IP Address |
| 2024-11-25 | 52.12.36.69 (ClassC) |
| 2025-05-23 | 44.224.154.158 (ClassC) |
| 2025-07-30 | 44.228.228.33 (ClassC) |
| 2025-09-16 | 54.190.30.232 (ClassC) |
| 2025-12-28 | 52.42.3.200 (ClassC) |
| 2026-03-03 | 44.235.53.202 (ClassC) |
| Date | Domain | IP |
| authentication.pdc4u.com | 2026-01-07 | 44.246.106.60 |
| transaction.pdc4u.com | 2025-02-02 | 44.230.218.175 |
| ivr.pdc4u.com | 2026-02-11 | 52.32.89.37 |
| www.pdc4u.com | 2024-11-25 | 52.12.36.69 |
| gateway.pdc4u.com | 2026-01-22 | 52.37.53.228 |