| Date | IP Address |
| 2024-09-28 | 34.226.250.253 (ClassC) |
| 2024-10-05 | 52.1.132.37 (ClassC) |
| 2024-11-25 | 52.21.102.75 (ClassC) |
| 2025-01-05 | 18.233.106.93 (ClassC) |
| 2025-03-07 | 54.236.173.37 (ClassC) |
| 2025-06-14 | 54.204.112.15 (ClassC) |
| 2025-08-25 | 3.232.191.87 (ClassC) |
| 2025-09-01 | 54.225.109.26 (ClassC) |
| 2025-12-01 | 174.129.163.63 (ClassC) |
| 2026-02-24 | 44.215.151.90 (ClassC) |
| Date | Domain | IP |
| mail10.itcacau.com.br | 2026-01-30 | 100.30.101.2 |
| mx0.itcacau.com.br | 2026-01-22 | 34.205.224.120 |
| mx01.itcacau.com.br | 2026-01-23 | 34.205.224.120 |
| relay1.itcacau.com.br | 2026-01-31 | 100.30.101.2 |
| mx2.itcacau.com.br | 2026-01-21 | 98.91.10.181 |
| mx5.itcacau.com.br | 2026-01-31 | 3.214.88.151 |
| mx7.itcacau.com.br | 2026-01-20 | 98.91.10.181 |
| barracuda.itcacau.com.br | 2026-01-21 | 34.205.224.120 |
| comune.itcacau.com.br | 2026-01-20 | 98.91.10.181 |
| smtp.comune.itcacau.com.br | 2026-01-30 | 100.30.101.2 |
| gate.itcacau.com.br | 2026-01-21 | 34.205.224.120 |
| remote.itcacau.com.br | 2026-01-30 | 13.218.2.158 |
| auth.itcacau.com.br | 2026-01-21 | 34.205.224.120 |
| smtp.mail.itcacau.com.br | 2026-01-31 | 13.218.2.158 |
| antispam.itcacau.com.br | 2026-01-21 | 98.91.10.181 |
| smtpseguro.itcacau.com.br | 2026-01-31 | 3.214.88.151 |
| imap.itcacau.com.br | 2026-01-31 | 13.218.2.158 |
| app.itcacau.com.br | 2024-06-11 | 54.243.226.15 |
| ftp.itcacau.com.br | 2026-01-30 | 3.214.88.151 |
| smtp.itcacau.com.br | 2026-01-20 | 34.205.224.120 |
| postmaster.itcacau.com.br | 2026-01-21 | 34.205.224.120 |
| mailserver.itcacau.com.br | 2026-01-20 | 34.205.224.120 |
| ms.itcacau.com.br | 2026-01-30 | 100.30.101.2 |
| smtps.itcacau.com.br | 2026-02-07 | 3.214.88.151 |
| mxs.itcacau.com.br | 2026-02-16 | 100.30.101.2 |
| mailhost.itcacau.com.br | 2026-01-30 | 13.218.2.158 |
| post.itcacau.com.br | 2026-01-21 | 98.91.10.181 |
| srv.itcacau.com.br | 2026-01-21 | 34.205.224.120 |
| gw.itcacau.com.br | 2026-02-01 | 3.214.88.151 |
| www.itcacau.com.br | 2024-09-28 | 34.226.250.253 |
| a.mx.itcacau.com.br | 2026-01-21 | 98.91.10.181 |
| box.itcacau.com.br | 2026-01-30 | 100.30.101.2 |
| relay.itcacau.com.br | 2026-01-22 | 98.91.10.181 |
| mailrelay.itcacau.com.br | 2026-01-22 | 34.205.224.120 |
| gateway.itcacau.com.br | 2026-01-24 | 3.214.88.151 |