| Date | IP Address |
| 2021-03-12 | 107.180.1.212 (ClassC) |
| 2026-02-27 | 35.209.71.85 (ClassC) |
| Date | Domain | IP |
| mx10.instrumar.com | 2026-02-27 | 35.209.71.85 |
| mail01.instrumar.com | 2026-02-20 | 35.209.71.85 |
| mail11.instrumar.com | 2026-02-27 | 35.209.71.85 |
| mail02.instrumar.com | 2026-02-26 | 35.209.71.85 |
| mail12.instrumar.com | 2026-02-27 | 35.209.71.85 |
| smtp2.instrumar.com | 2026-02-20 | 35.209.71.85 |
| smtp3.instrumar.com | 2026-02-25 | 35.209.71.85 |
| mail7.instrumar.com | 2026-02-27 | 35.209.71.85 |
| remote.instrumar.com | 2026-02-27 | 35.209.71.85 |
| smtp.mail.instrumar.com | 2026-02-27 | 35.209.71.85 |
| securemail.instrumar.com | 2026-02-09 | 35.209.71.85 |
| outmail.instrumar.com | 2026-02-27 | 35.209.71.85 |
| antispam.instrumar.com | 2026-02-27 | 35.209.71.85 |
| mailin.instrumar.com | 2026-02-27 | 35.209.71.85 |
| correo.instrumar.com | 2026-02-24 | 35.209.71.85 |
| ftp.instrumar.com | 2026-02-27 | 35.209.71.85 |
| mailer.instrumar.com | 2026-02-27 | 35.209.71.85 |
| mailserver.instrumar.com | 2026-02-27 | 35.209.71.85 |
| ms.instrumar.com | 2026-02-27 | 35.209.71.85 |
| smtps.instrumar.com | 2026-02-11 | 35.209.71.85 |
| mailsrv.instrumar.com | 2026-02-07 | 35.209.71.85 |
| mailx.instrumar.com | 2026-02-25 | 35.209.71.85 |
| a.mx.instrumar.com | 2026-02-27 | 35.209.71.85 |