| Property | Value |
| cert@cert.br | |
| NameServer | b.sec.dns.br |
| Created | 19980823 #112889 |
| Changed | 2011-10-25 00:00:00 |
| Expires | 2021-08-23 00:00:00 |
| Date | IP Address |
| 2017-03-14 | 52.84.3.136 (ClassC) |
| 2017-03-16 | 52.84.3.76 (ClassC) |
| 2017-03-21 | 52.84.3.64 (ClassC) |
| 2017-03-24 | 52.84.3.108 (ClassC) |
| 2017-03-26 | 52.84.3.121 (ClassC) |
| 2018-11-18 | 54.192.7.23 (ClassC) |
| 2018-11-18 | 52.84.94.14 (ClassC) |
| 2018-11-18 | 52.84.94.31 (ClassC) |
| 2018-11-18 | 52.84.94.36 (ClassC) |
| 2018-11-18 | 54.192.7.19 (ClassC) |
| 2019-04-14 | 52.84.134.9 (ClassC) |
| 2019-07-03 | 54.230.35.102 (ClassC) |
| 2019-07-03 | 54.230.35.46 (ClassC) |
| 2023-08-26 | 18.161.6.94 (ClassC) |
| 2023-11-01 | 18.161.6.33 (ClassC) |
| 2025-01-26 | 187.1.138.172 (ClassC) |
| Date | Domain | IP |
| static.worldstudy.com.br | 2015-01-27 | 54.231.96.252 |
| backstage.worldstudy.com.br | 2024-02-20 | 99.86.38.13 |
| api.worldstudy.com.br | 2023-02-20 | 13.249.85.120 |
| www.worldstudy.com.br | 2024-02-20 | 18.161.6.63 |