This service provide certificate information from hostname: www.stonybrook.edu
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
71:4a:5e:a7:b6:9a:3f:a9:0d:29:6f:86:3a:c6:67:7d
Signature Algorithm: ecdsa-with-SHA256
Issuer: C = US, O = Google Trust Services, CN = WE1
Validity
Not Before: Jun 28 06:42:34 2025 GMT
Not After : Sep 26 07:42:31 2025 GMT
Subject: CN = www.stonybrook.edu
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:8d:c7:50:48:71:49:7a:c9:f7:74:45:8d:3e:b5:
97:67:53:12:e8:ed:02:f3:be:e3:fe:72:fe:80:6b:
32:87:b2:50:e0:8a:bf:c9:5e:1a:9c:58:fc:91:c0:
51:f9:51:d2:e0:d7:2f:bf:a1:17:f7:42:42:16:a8:
fc:ca:dd:b1:7b
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:
7D:DA:9A:2F:67:A4:8E:61:8F:02:24:79:FD:2F:3F:81:7A:AB:D6:CA
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/cUo
CA Issuers - URI:http://i.pki.goog/we1.crt
X509v3 Subject Alternative Name:
DNS:www.stonybrook.edu
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://c.pki.goog/we1/i4u_miZqw1E.crl
CT Precertificate SCTs:
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 28 07:42:34.869 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:77:D2:7E:D1:BB:3C:58:E8:2D:28:5D:8F:
C2:64:84:63:6C:54:CF:78:51:78:D3:02:27:AB:8E:2C:
84:82:3A:2D:02:20:00:87:B2:38:71:9E:CA:F2:47:8A:
E8:60:7F:69:5E:85:F0:2D:BD:F5:92:43:86:12:E8:12:
9D:0E:27:C5:7B:5F
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 28 07:42:34.844 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:35:C3:82:13:54:B1:F8:CD:41:45:9C:C4:
C4:48:C4:B7:69:99:13:85:E4:FA:73:44:8F:5D:0A:E1:
EF:34:BA:1A:02:21:00:C0:B0:EC:C3:6F:14:08:91:AF:
90:5C:75:08:00:13:D8:17:9A:CF:5A:F8:3B:4A:37:89:
33:4C:F1:D0:B0:1A:45
Signature Algorithm: ecdsa-with-SHA256
Signature Value:
30:45:02:21:00:dd:2d:69:85:1f:8c:49:f0:0f:82:56:c4:5f:
2f:05:4b:8e:b7:ec:6d:5c:c8:9f:88:f1:9b:ed:b8:d7:4b:86:
21:02:20:6a:e2:68:0d:2c:8b:8f:d5:43:90:33:4d:3b:22:dd:
c7:81:34:27:df:db:9c:43:45:6b:c2:c2:9a:7e:86:5c:a7
-----BEGIN CERTIFICATE-----
MIIDojCCA0igAwIBAgIQcUpep7aaP6kNKW+GOsZnfTAKBggqhkjOPQQDAjA7MQsw
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M007It3HgTQn39ucQ0VrwsKafoZcpw==
-----END CERTIFICATE-----