Results forduo.itsc.cuhk.edu.hk

www.duo.itsc.cuhk.edu.hk itsc.cuhk.edu.hk cuhk.edu.hk edu.hk hk

Registrar

Creation Date

DNSSEC

How it works

Every certificate issued for a domain by a trusted CA is publicly announced and stored.
The entries on this page were collected by crt.sh.

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-01-29T03:27:48.801	2024-01-29T00:00:00	2025-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2024-01-29T03:27:47.437	2024-01-29T00:00:00	2025-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2023-02-20T05:58:32.791	2023-02-20T00:00:00	2024-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2023-02-20T05:58:31.575	2023-02-20T00:00:00	2024-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2022-01-27T08:10:08.307	2022-01-27T00:00:00	2023-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2022-01-27T08:10:06.929	2022-01-27T00:00:00	2023-02-27T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-03-27T10:10:37.735	2020-03-27T00:00:00	2022-05-26T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2020-03-27T10:10:37.332	2020-03-27T00:00:00	2022-05-26T23:59:59	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk www.duo.itsc.cuhk.edu.hk	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2018-07-04T03:29:54.244	2018-07-04T00:00:00	2019-08-04T12:00:00	*.itsc.cuhk.edu.hk	*.itsc.cuhk.edu.hk	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2018-04-23T05:47:53.945	2018-04-12T04:04:27	2020-04-12T04:04:27	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk	C=HK, ST=Hong Kong, L=Hong Kong, O=Hongkong Post, CN=Hongkong Post e-Cert CA 1 - 15
2018-04-12T03:59:32.11	2018-04-12T04:04:27	2020-04-12T04:04:27	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk	C=HK, ST=Hong Kong, L=Hong Kong, O=Hongkong Post, CN=Hongkong Post e-Cert CA 1 - 15
2018-02-21T11:46:35.691	2018-02-21T10:46:35	2018-05-22T10:46:35	duo.itsc.cuhk.edu.hk	duo.itsc.cuhk.edu.hk	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3