| Date | IP Address |
| 2023-11-11 | 20.118.17.184 (ClassC) |
| 2024-06-15 | 34.173.44.190 (ClassC) |
| 2025-05-10 | 104.26.15.13 (ClassC) |
| 2025-09-16 | 104.26.14.13 (ClassC) |
| 2026-02-11 | 172.67.72.119 (ClassC) |
| Date | Domain | IP |
| apply-mortgage.bankfirstfed.com | 2026-01-07 | 172.65.242.70 |
| open.bankfirstfed.com | 2026-01-05 | 192.0.54.6 |
| www.bankfirstfed.com | 2023-11-02 | 20.118.17.184 |