| Property | Value |
| cert@cert.br | |
| NameServer | f.sec.dns.br |
| Created | 20130911 #11965063 |
| Changed | 2020-10-09 00:00:00 |
| Expires | 2028-09-11 00:00:00 |
| Date | IP Address |
| 2023-08-27 | 45.235.244.21 (ClassC) |
| 2024-12-25 | 168.75.64.241 (ClassC) |
| Date | Domain | IP |
| www.extraclasse.org.br | 2021-02-27 | 217.79.244.77 |