This service provide certificate information from hostname: stmc.edu.hk
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:e2:a6:3f:c5:c6:37:72:a9:aa:59:2a:04:5d:72:b4:88:c9
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: Jul 7 07:50:09 2025 GMT
Not After : Oct 5 07:50:08 2025 GMT
Subject: CN = stmc.edu.hk
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:cf:88:58:94:8f:b6:31:48:f1:02:ec:cb:1e:56:
43:69:a7:35:88:32:ce:e8:ed:b1:e0:9d:ea:7b:70:
4a:9f:29:a4:7a:32:e0:d8:cd:90:07:e3:39:1d:bb:
21:a6:15:48:34:c4:dc:30:12:24:e1:e5:e2:1a:3d:
3b:4b:9c:95:ae:82:26:87:84:d2:ac:de:ad:35:c2:
2d:5d:f8:71:85:d7:4f:70:03:1a:b1:63:9c:65:d1:
86:ad:63:dc:5f:28:fd:2f:85:7e:68:a6:ca:f0:63:
59:8a:3c:cc:0f:34:99:67:42:90:32:90:10:e4:93:
17:cc:ef:c5:bb:76:7e:eb:b0:bc:fe:2c:3d:76:26:
9e:40:d4:e9:b5:bc:98:4c:25:85:a5:56:8b:d3:2e:
a1:a4:9f:f1:b2:90:a5:b1:e2:ae:32:bd:4e:68:7c:
fe:95:62:6b:8f:1b:45:ff:c9:d2:e3:7d:02:1c:db:
ae:ce:8f:ab:7c:bb:74:6f:95:db:ef:cb:e3:95:dc:
19:76:96:d2:f3:e3:ef:aa:94:6f:d0:e4:11:ef:28:
ed:5e:6a:c5:2c:75:c0:f6:e7:1d:a8:71:cf:0e:5b:
8d:6c:f6:4e:a1:74:b8:aa:d2:98:9b:6d:fd:5d:13:
25:0e:e9:01:0e:99:1a:45:ce:04:3b:6c:7a:f9:ac:
d7:63
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
FB:03:35:A6:E6:8A:C1:97:B1:F4:4A:27:1C:18:CA:D3:98:C5:C9:E0
X509v3 Authority Key Identifier:
C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
Authority Information Access:
CA Issuers - URI:http://r11.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:stmc.edu.hk, DNS:www.stmc.edu.hk
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/74.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
Timestamp : Jul 7 08:48:39.732 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:22:47:6B:3B:1E:5A:3A:28:4F:04:D3:F3:
DA:8E:11:6A:57:F3:93:68:B9:C4:89:0A:B3:23:B3:B4:
E3:58:F8:2B:02:20:41:9B:A6:D7:AF:16:1F:B3:48:9B:
C4:F4:C2:1F:60:F3:82:B5:80:90:6C:9B:74:37:75:94:
04:B3:88:72:56:97
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
Timestamp : Jul 7 08:48:39.668 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:01:FA:55:AE:A7:6C:AF:D8:81:B4:CB:68:
D9:B3:9D:EC:1C:C3:68:A8:AB:C8:20:C5:00:B2:6F:CB:
AB:0A:F6:B8:02:21:00:B2:90:1B:CC:7F:76:11:E5:B5:
D0:34:5F:69:CF:67:98:A7:E6:4A:4D:2D:D0:AF:5B:4C:
55:CE:93:5D:CF:C8:11
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
9f:91:a6:fc:a5:32:ea:e1:84:f3:97:f8:20:60:cb:f4:10:0f:
f4:46:dc:cb:a5:7b:42:c0:06:3c:76:04:62:40:2f:9b:e5:17:
be:2e:96:f1:91:d8:cf:a1:f1:b0:aa:37:79:c3:2e:9a:bd:b4:
88:56:dc:2f:b8:d7:c1:28:e9:73:52:37:b2:bc:71:28:82:a2:
3f:72:d9:41:da:de:8d:40:b4:be:e9:88:89:01:b3:7c:89:5b:
4c:30:8e:fa:8b:61:65:16:e6:a4:ad:53:37:c3:20:13:51:a8:
88:81:2d:45:d9:4a:e9:7b:5a:5c:ee:0b:59:7f:16:84:eb:1a:
f2:3a:04:59:e5:f4:d3:82:30:57:49:32:61:e8:50:56:27:3d:
59:b6:12:cc:06:e8:12:d3:bd:85:e2:70:46:33:93:46:b7:53:
39:15:0e:4b:63:bd:3e:b1:23:91:bc:8d:b7:53:71:e5:d3:44:
21:f8:29:1a:52:f0:f2:97:98:c8:9f:5f:10:76:51:85:ad:75:
46:7e:50:ec:c7:54:d9:bc:ee:ff:e9:4d:f6:23:a6:be:80:ea:
17:de:49:63:23:9f:a3:d6:85:95:29:6d:fb:b3:58:52:70:a3:
a3:32:d6:ec:0d:40:8d:55:f0:b3:31:5a:4f:6e:18:e7:ff:41:
47:f2:a8:8c
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----