| Date | IP Address |
| 2019-09-09 | 175.6.235.228 (ClassC) |
| 2024-08-12 | 112.84.131.219 (ClassC) |
| 2024-12-01 | 42.177.83.87 (ClassC) |
| 2025-03-26 | 119.188.150.187 (ClassC) |
| 2025-04-16 | 175.43.192.134 (ClassC) |
| 2025-06-03 | 122.188.44.51 (ClassC) |
| 2025-07-12 | 122.188.45.51 (ClassC) |
| 2026-01-14 | 1.56.98.140 (ClassC) |
| Date | Domain | IP |
| recaptcha.hduhelp.com | 2025-09-14 | 121.43.175.130 |
| applite.hduhelp.com | 2024-08-12 | 112.84.131.219 |
| app.hduhelp.com | 2025-04-10 | 119.188.209.64 |
| qiniu.hduhelp.com | 2025-07-21 | 121.43.175.130 |
| appdev.hduhelp.com | 2024-12-21 | 58.144.195.63 |