| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2024-01-08 | 74.125.195.26 (ClassC) |
| 2024-09-03 | 173.194.203.27 (ClassC) |
| 2025-04-18 | 142.250.99.27 (ClassC) |
| 2025-04-24 | 74.125.197.26 (ClassC) |
| 2025-06-21 | 74.125.195.27 (ClassC) |
| 2025-08-10 | 142.251.188.26 (ClassC) |
| 2025-09-22 | 108.177.98.26 (ClassC) |
| 2025-10-01 | 173.194.203.26 (ClassC) |
| 2025-10-16 | 192.178.163.27 (ClassC) |
| 2025-10-27 | 142.250.107.27 (ClassC) |
| 2025-11-04 | 74.125.142.26 (ClassC) |
| 2025-11-20 | 74.125.20.27 (ClassC) |
| 2026-01-29 | 74.125.199.27 (ClassC) |
| Date | Domain | IP |
| mx-1.ibest.com.br | 2024-01-08 | 74.125.195.26 |
| mx-3.ibest.com.br | 2025-06-01 | 142.251.190.27 |
| mx-7.ibest.com.br | 2025-01-25 | 142.250.152.27 |
| login.ibest.com.br | 2024-11-08 | 34.200.163.68 |
| smtp.ibest.com.br | 2025-12-21 | 168.0.132.203 |
| ads.ibest.com.br | 2025-11-20 | 187.31.192.6 |
| mail.mailibest.ibest.com.br | 2024-09-15 | 172.217.14.243 |
| www.ibest.com.br | 2013-05-19 | 187.31.192.6 |
| mx.ibest.com.br | 2014-03-24 | 177.153.26.10 |