API
This service provide certificate information from hostname: silicon.com.hk

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
98:4e:b3:a6:56:dc:4e:0f:13:4c:aa:b0:96:dd:12:eb
Signature Algorithm: ecdsa-with-SHA256
Issuer: C = US, O = Google Trust Services, CN = WE1
Validity
Not Before: Jun 9 19:24:23 2025 GMT
Not After : Sep 7 20:22:46 2025 GMT
Subject: CN = silicon.com.hk
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:27:9d:e1:49:c0:61:32:3c:66:91:6b:83:eb:da:
67:66:3e:59:2b:c7:02:5b:ee:b8:ef:22:7c:a4:6c:
d8:60:67:45:79:04:31:89:21:b8:ba:62:bc:3c:db:
fc:9c:e6:52:3b:2c:f7:1d:f1:62:08:8f:e1:79:54:
4a:3e:47:e0:b6
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
49:87:00:0F:9E:18:B5:48:5A:4A:9F:09:C6:E6:6E:7D:1A:CC:F4:66
X509v3 Authority Key Identifier:
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
Authority Information Access:
OCSP - URI:http://o.pki.goog/s/we1/mE4
CA Issuers - URI:http://i.pki.goog/we1.crt
X509v3 Subject Alternative Name:
DNS:silicon.com.hk, DNS:*.silicon.com.hk
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://c.pki.goog/we1/c9egY9ikPsU.crl
CT Precertificate SCTs:
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 : Jun 9 20:24:23.609 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:7D:0B:9F:15:2B:3B:7A:8B:EF:97:71:A0:
C4:D4:FF:4B:CF:9C:5F:DE:D2:D4:47:02:06:94:A6:AA:
1C:1F:86:C4:02:21:00:F8:EC:49:75:A0:9C:B3:39:C8:
31:F9:C5:F2:46:62:9F:F0:B9:E2:82:55:20:B3:CC:4F:
AB:17:B8:84:FB:F4:4D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
Timestamp : Jun 9 20:24:23.640 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:4F:64:EB:00:09:9F:4A:44:C7:EE:49:9B:
5C:72:85:BA:77:F1:99:AE:6F:9E:0C:E7:F9:8B:AA:A5:
A3:C6:06:C3:02:21:00:A7:6B:D6:79:BF:7A:75:04:7F:
56:BB:5C:BF:CA:D7:42:DD:F6:CC:A5:4B:E8:5E:3B:AB:
12:9D:D1:33:B4:8F:3C
Signature Algorithm: ecdsa-with-SHA256
Signature Value:
30:45:02:20:4d:c9:6e:57:ac:8c:ac:90:5a:55:83:2c:a5:54:
2c:11:08:60:a6:03:b1:36:06:4a:ae:6b:48:7c:86:7f:1d:03:
02:21:00:cd:9a:14:35:7d:ab:3a:cf:2d:ea:cb:67:1a:c2:5b:
a0:e5:53:6a:c7:66:b8:31:db:b1:31:5a:77:2d:33:38:0b
-----BEGIN CERTIFICATE-----
MIIDrjCCA1SgAwIBAgIRAJhOs6ZW3E4PE0yqsJbdEuswCgYIKoZIzj0EAwIwOzEL
MAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczEMMAoG
A1UEAxMDV0UxMB4XDTI1MDYwOTE5MjQyM1oXDTI1MDkwNzIwMjI0NlowGTEXMBUG
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MAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEmHAA+eGLVIWkqf
Ccbmbn0azPRmMB8GA1UdIwQYMBaAFJB3kjVnxP+ozKnme9mAeXvMk/k4MF4GCCsG
AQUFBwEBBFIwUDAnBggrBgEFBQcwAYYbaHR0cDovL28ucGtpLmdvb2cvcy93ZTEv
bUU0MCUGCCsGAQUFBzAChhlodHRwOi8vaS5wa2kuZ29vZy93ZTEuY3J0MCsGA1Ud
EQQkMCKCDnNpbGljb24uY29tLmhrghAqLnNpbGljb24uY29tLmhrMBMGA1UdIAQM
MAowCAYGZ4EMAQIBMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jLnBraS5nb29n
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8U40vVNyTIQGGcOPP3oT+Oe1YoeInG0wBYTr5YYmOgAAAZdWXZc5AAAEAwBHMEUC
IH0LnxUrO3qL75dxoMTU/0vPnF/e0tRHAgaUpqocH4bEAiEA+OxJdaCcsznIMfnF
8kZin/C54oJVILPMT6sXuIT79E0AdgB9WR4S4XgqexxhZ3xe/fjQh1wUoE6VnrkD
L9kOjC55uAAAAZdWXZdYAAAEAwBHMEUCIE9k6wAJn0pEx+5Jm1xyhbp38Zmub54M
5/mLqqWjxgbDAiEAp2vWeb96dQR/Vrtcv8rXQt32zKVL6F47qxKd0TO0jzwwCgYI
KoZIzj0EAwIDSAAwRQIgTcluV6yMrJBaVYMspVQsEQhgpgOxNgZKrmtIfIZ/HQMC
IQDNmhQ1fas6zy3qy2cawlug5VNqx2a4MduxMVp3LTM4Cw==
-----END CERTIFICATE-----