| Date | IP Address |
| 2020-11-20 | 3.90.94.177 (ClassC) |
| 2020-11-20 | 54.160.18.204 (ClassC) |
| 2024-02-28 | 13.231.26.170 (ClassC) |
| 2024-09-02 | 54.178.133.75 (ClassC) |
| 2024-10-26 | 54.178.143.147 (ClassC) |
| 2025-01-04 | 35.78.26.126 (ClassC) |
| Date | Domain | IP |
| auth.ninja-sign.com | 2024-02-21 | 13.231.26.170 |
| a.review.ninja-sign.com | 2024-02-28 | 13.231.26.170 |
| www.ninja-sign.com | 2024-05-24 | 52.194.159.72 |