| Date | IP Address |
| 2021-03-26 | 203.69.42.197 (ClassC) |
| 2025-10-25 | 203.69.43.203 (ClassC) |
| Date | Domain | IP |
| mx10.ustartech.com | 2026-02-10 | 203.69.43.203 |
| mx20.ustartech.com | 2025-08-04 | 203.69.43.203 |
| ns1.ustartech.com | 2025-07-13 | 203.69.43.203 |
| mx1.ustartech.com | 2025-08-13 | 203.69.43.203 |
| mail2.ustartech.com | 2025-09-22 | 203.69.43.203 |
| ns2.ustartech.com | 2026-02-10 | 203.69.43.203 |
| relay2.ustartech.com | 2025-10-25 | 203.69.43.203 |
| mail3.ustartech.com | 2025-05-21 | 203.69.43.203 |
| pop3.ustartech.com | 2025-06-13 | 203.69.43.203 |
| barracuda.ustartech.com | 2025-05-22 | 203.69.43.203 |
| comune.ustartech.com | 2025-09-18 | 203.69.43.203 |
| mail.comune.ustartech.com | 2025-09-22 | 203.69.43.203 |
| gate.ustartech.com | 2025-08-04 | 203.69.43.203 |
| mailgate.ustartech.com | 2025-05-24 | 203.69.43.203 |
| smtp.mail.ustartech.com | 2025-09-21 | 203.69.43.203 |
| email.ustartech.com | 2025-09-23 | 203.69.43.203 |
| mailin.ustartech.com | 2025-02-26 | 203.69.43.203 |
| vip.ustartech.com | 2025-07-26 | 203.69.43.203 |
| pop.ustartech.com | 2025-09-14 | 203.69.43.203 |
| smtp.ustartech.com | 2025-07-24 | 203.69.43.203 |
| mailer.ustartech.com | 2025-07-24 | 203.69.43.203 |
| mta-sts.mailfilter.ustartech.com | 2025-09-11 | 203.69.43.203 |
| postmaster.ustartech.com | 2025-12-06 | 203.69.43.203 |
| server.ustartech.com | 2025-05-23 | 203.69.43.203 |
| mailserver.ustartech.com | 2025-08-04 | 203.69.43.203 |
| ms.ustartech.com | 2025-09-22 | 203.69.43.203 |
| wordpress.ustartech.com | 2025-07-24 | 203.69.43.203 |
| mxs.ustartech.com | 2026-02-10 | 203.69.43.203 |
| root.ustartech.com | 2025-05-23 | 203.69.43.203 |
| host.ustartech.com | 2025-08-14 | 203.69.43.203 |
| mailhost.ustartech.com | 2025-09-24 | 203.69.43.203 |
| out.ustartech.com | 2025-08-03 | 203.69.43.203 |
| mailgw.ustartech.com | 2025-08-08 | 203.69.43.203 |
| www.ustartech.com | 2025-05-25 | 203.69.43.203 |
| mx.ustartech.com | 2025-08-31 | 203.69.43.203 |
| relay.ustartech.com | 2025-07-23 | 203.69.43.203 |