| Property | Value |
| cert@cert.br |
| Date | IP Address |
| 2010-11-04 | 200.228.16.33 (ClassC) |
| 2011-04-14 | 200.252.60.24 (ClassC) |
| 2011-12-07 | 200.252.60.85 (ClassC) |
| 2014-10-04 | 200.252.60.170 (ClassC) |
| 2014-10-16 | 200.252.60.71 (ClassC) |
| 2014-10-17 | 200.252.60.63 (ClassC) |
| 2014-10-17 | 200.252.60.42 (ClassC) |
| 2014-11-13 | 187.45.195.16 (ClassC) |
| 2015-01-06 | 200.252.60.203 (ClassC) |
| 2019-02-28 | 200.252.60.80 (ClassC) |
| 2020-06-28 | 177.71.156.125 (ClassC) |
| 2020-06-28 | 18.229.184.19 (ClassC) |
| 2021-02-18 | 34.117.202.214 (ClassC) |
| 2025-10-31 | 201.48.198.80 (ClassC) |
| 2026-01-30 | 186.211.255.80 (ClassC) |
| Date | Domain | IP |
| www2.correios.com.br | 2025-10-16 | 186.211.255.68 |
| saude.correios.com.br | 2025-12-09 | 132.226.247.1 |
| shopping.correios.com.br | 2019-02-21 | 200.228.16.33 |
| webmail.correios.com.br | 2025-12-09 | 186.211.255.201 |
| email.correios.com.br | 2025-10-16 | 186.211.255.121 |
| performanceapm.correios.com.br | 2016-01-22 | 200.252.60.240 |
| buscacepinter.correios.com.br | 2024-07-29 | 186.211.255.235 |
| www.correios.com.br | 2013-12-17 | 165.254.155.18 |