| Date | IP Address |
| 2021-03-25 | 203.69.42.197 (ClassC) |
| 2025-01-01 | 203.69.43.203 (ClassC) |
| Date | Domain | IP |
| mx10.ustartech.com | 2025-01-01 | 203.69.43.203 |
| ns1.ustartech.com | 2024-12-26 | 203.69.43.203 |
| mx1.ustartech.com | 2025-01-01 | 203.69.43.203 |
| relay2.ustartech.com | 2025-01-01 | 203.69.43.203 |
| mail3.ustartech.com | 2024-12-22 | 203.69.43.203 |
| pop3.ustartech.com | 2025-01-01 | 203.69.43.203 |
| barracuda.ustartech.com | 2025-01-01 | 203.69.43.203 |
| comune.ustartech.com | 2025-01-01 | 203.69.43.203 |
| gate.ustartech.com | 2024-12-09 | 203.69.43.203 |
| mailgate.ustartech.com | 2025-01-01 | 203.69.43.203 |
| smtp.mail.ustartech.com | 2025-01-01 | 203.69.43.203 |
| email.ustartech.com | 2024-12-24 | 203.69.43.203 |
| mailin.ustartech.com | 2025-01-01 | 203.69.43.203 |
| vip.ustartech.com | 2025-01-01 | 203.69.43.203 |
| pop.ustartech.com | 2025-01-01 | 203.69.43.203 |
| mailer.ustartech.com | 2025-01-01 | 203.69.43.203 |
| mxs.ustartech.com | 2025-01-01 | 203.69.43.203 |
| host.ustartech.com | 2025-01-01 | 203.69.43.203 |
| relay.ustartech.com | 2025-01-01 | 203.69.43.203 |