alumni.vtc.edu.hk 域名历史
alumni.vtc.edu.hk 的历史档案：持续记录网页存档、Whois 注册信息、ICP 备案、DNS 解析与 SSL 证书的变更时间线。
SSL 证书历史
| 域名 | 签发机构 | 生效 | 到期 | 观测次数 |
|---|---|---|---|---|
| alumniportal.vtc.edu.hk | Sectigo Public Server Authentication CA OV R36 | 2026-03-02 | 2027-03-03 | 1 |
| alumniportal.vtc.edu.hk | Sectigo Public Server Authentication CA OV R36 | 2026-03-02 | 2027-03-02 | 1 |
| alumni.vtc.edu.hk | Sectigo Public Server Authentication CA OV R36 | 2025-07-24 | 2026-08-17 | 1 |
| alumni.vtc.edu.hk | Sectigo RSA Organization Validation Secure Server CA | 2024-08-17 | 2025-08-17 | 1 |
| alumni.vtc.edu.hk | GlobalSign RSA OV SSL CA 2018 | 2023-07-25 | 2024-08-25 | 1 |
| alumni.vtc.edu.hk | Sectigo RSA Organization Validation Secure Server CA | 2022-08-05 | 2023-08-10 | 1 |
| alumni.vtc.edu.hk | Sectigo RSA Organization Validation Secure Server CA | 2021-08-10 | 2022-08-10 | 1 |
| alumni.vtc.edu.hk | Sectigo RSA Organization Validation Secure Server CA | 2020-08-07 | 2021-08-25 | 1 |
| alumni.vtc.edu.hk | Sectigo RSA Organization Validation Secure Server CA | 2019-08-08 | 2020-08-25 | 1 |
| alumni.vtc.edu.hk | COMODO RSA Organization Validation Secure Server CA | 2018-08-21 | 2019-08-26 | 1 |
| alumni.vtc.edu.hk | COMODO RSA Organization Validation Secure Server CA | 2017-08-07 | 2018-08-26 | 1 |
| alumni.vtc.edu.hk | COMODO RSA Organization Validation Secure Server CA | 2016-08-11 | 2017-08-26 | 1 |
| alumni.vtc.edu.hk | COMODO RSA Organization Validation Secure Server CA | 2015-08-10 | 2016-08-24 | 1 |
| alumni.vtc.edu.hk | COMODO High-Assurance Secure Server CA | 2014-08-25 | 2015-08-25 | 1 |
相关域名历史
按后缀与网页存档年份浏览更多域名的历史档案：
同后缀的更多域名历史：
hlmssst.edu.hk· homify.hk· hsbc.com.hk· ird.gov.hk· isd.gov.hk· isolarcloud.com.hk· itsc.cuhk.edu.hk· kooya.hk· laichack.edu.hk· megapet.com.hk· megbook.com.hk· megbook.hk