| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2023-07-12 | 184.30.42.195 (ClassC) |
| 2023-07-29 | 23.33.29.143 (ClassC) |
| 2023-09-04 | 23.213.203.48 (ClassC) |
| 2023-09-19 | 104.88.206.14 (ClassC) |
| 2023-09-19 | 104.88.206.17 (ClassC) |
| 2023-10-24 | 23.221.22.71 (ClassC) |
| 2024-02-23 | 23.45.46.235 (ClassC) |
| 2024-02-28 | 23.41.4.68 (ClassC) |
| 2024-08-18 | 104.96.163.140 (ClassC) |
| 2024-08-21 | 23.192.230.78 (ClassC) |
| 2024-09-14 | 23.41.4.76 (ClassC) |
| 2026-01-20 | 104.18.29.176 (ClassC) |
| 2026-02-01 | 104.18.28.176 (ClassC) |
| Date | Domain | IP |
| webmail.jsl.com.br | 2024-11-08 | 52.96.164.194 |
| autodiscover.jsl.com.br | 2024-11-09 | 52.96.119.232 |
| adfs.jsl.com.br | 2024-02-28 | 23.41.4.68 |
| www.jsl.com.br | 2015-02-12 | 157.238.74.186 |