| Property | Value |
| mail-abuse@cert.br |
| Date | IP Address |
| 2013-12-21 | 96.6.46.33 (ClassC) |
| 2014-03-17 | 65.172.31.40 (ClassC) |
| 2014-03-21 | 65.172.31.58 (ClassC) |
| 2014-04-14 | 165.254.155.66 (ClassC) |
| 2014-04-16 | 204.2.145.57 (ClassC) |
| 2014-05-05 | 165.254.207.16 (ClassC) |
| 2014-05-28 | 66.171.224.91 (ClassC) |
| 2014-05-30 | 23.63.227.139 (ClassC) |
| 2014-06-01 | 64.145.86.33 (ClassC) |
| 2014-06-06 | 23.63.227.123 (ClassC) |
| 2014-06-10 | 63.235.21.42 (ClassC) |
| 2014-08-27 | 63.85.36.43 (ClassC) |
| 2014-09-26 | 165.254.114.131 (ClassC) |
| 2014-12-08 | 207.152.124.33 (ClassC) |
| 2014-12-18 | 165.254.207.98 (ClassC) |
| 2015-01-29 | 207.152.124.48 (ClassC) |
| 2015-02-12 | 157.238.74.186 (ClassC) |
| 2015-02-23 | 23.74.9.230 (ClassC) |
| 2015-02-26 | 165.254.207.32 (ClassC) |
| 2015-03-16 | 23.74.9.185 (ClassC) |
| 2015-04-10 | 184.86.240.73 (ClassC) |
| 2017-04-10 | 63.238.216.115 (ClassC) |
| 2024-03-22 | 20.226.81.74 (ClassC) |
| 2024-06-15 | 104.18.40.53 (ClassC) |
| 2025-04-21 | 104.18.28.176 (ClassC) |
| 2025-04-30 | 104.18.29.176 (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 |