| 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 | 2025-11-14 | 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 | 2024-07-27 | 76.76.21.22 |