| Date | IP Address |
| 2022-03-12 | 52.45.215.48 (ClassC) |
| 2024-07-30 | 76.76.21.142 (ClassC) |
| 2024-08-30 | 76.76.21.98 (ClassC) |
| 2024-09-30 | 76.76.21.164 (ClassC) |
| 2025-04-21 | 66.33.60.67 (ClassC) |
| 2025-05-10 | 66.33.60.194 (ClassC) |
| 2025-09-24 | 76.76.21.93 (ClassC) |
| 2026-01-03 | 66.33.60.130 (ClassC) |
| 2026-01-14 | 76.76.21.22 (ClassC) |
| Date | Domain | IP |
| cerberus.prod.knock.com | 2025-07-20 | 44.214.125.108 |
| loan.knock.com | 2026-01-02 | 172.65.242.70 |
| customerio.knock.com | 2026-01-14 | 35.244.218.227 |
| www.knock.com | 2023-11-01 | 18.161.6.77 |
| apply.knock.com | 2024-10-26 | 34.206.164.106 |
| my.knock.com | 2024-07-30 | 76.76.21.142 |