| Date | IP Address |
| 2020-08-11 | 104.24.122.196 (ClassC) |
| 2024-07-10 | 172.67.173.191 (ClassC) |
| 2025-01-09 | 104.21.72.16 (ClassC) |
| 2025-04-02 | 45.84.207.124 (ClassC) |
| Date | Domain | IP |
| cpanel.gcs4u.com | 2025-02-25 | 45.84.207.124 |
| autodiscover.gcs4u.com | 2024-10-23 | 45.84.207.124 |
| cpcalendars.gcs4u.com | 2025-01-18 | 45.84.207.124 |
| cpcontacts.gcs4u.com | 2021-07-27 | 156.67.222.70 |