API
This service provide certificate information from hostname: www.openauthentication.org

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:42:0c:72:33:5d:05:73:3f:16:2e:5a:3c:09:1b:0d:db:e2
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Jun 21 10:19:28 2025 GMT
Not After : Sep 19 10:19:27 2025 GMT
Subject: CN = openauthentication.org
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:a7:9b:0d:62:23:7b:bd:91:02:98:1f:53:02:e1:
86:67:4b:a8:b7:ed:99:67:87:14:bd:c6:2b:09:34:
df:62:ea:f4:1f:73:67:d6:e9:ae:c5:57:c9:e6:8b:
ea:99:2d:35:9a:c8:00:86:8b:e9:d3:d4:95:9f:02:
d7:15:a4:86:ec
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
9F:65:A3:1A:2E:91:58:AE:54:B5:78:79:EA:D5:60:F9:48:9F:35:85
X509v3 Authority Key Identifier:
9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
Authority Information Access:
CA Issuers - URI:http://e5.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:openauthentication.org, DNS:www.openauthentication.org
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e5.c.lencr.org/99.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
Timestamp : Jun 21 11:17:58.144 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:E3:47:14:A5:2C:07:FC:7D:13:42:B1:
17:4A:A1:E2:1A:83:77:7D:EF:DC:7D:EC:06:91:5D:43:
4E:64:37:5E:ED:02:20:74:88:E7:23:D1:D6:7A:5D:45:
36:16:FC:18:65:AE:6F:EA:76:E9:0C:D8:E4:75:F0:97:
1C:0C:9B:77:46:78:9B
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 21 11:17:58.141 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:5A:0D:B6:92:0C:C9:2E:36:D0:E9:C6:E3:
54:F7:7E:43:C2:96:35:65:3E:1A:E1:03:2E:27:02:D8:
5D:79:A9:A0:02:21:00:AC:0A:F0:10:7E:AC:43:83:9E:
96:D1:6F:D0:AE:FC:D6:96:D5:A2:C7:47:2F:EA:94:A5:
5F:E1:98:61:ED:81:2F
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:65:02:31:00:be:b3:f8:49:97:2b:38:5a:9d:48:d1:69:f2:
e4:99:93:d3:b7:81:0a:70:f2:91:54:46:86:72:f3:cc:0b:a8:
b4:60:a5:f2:34:b5:ee:7c:26:16:64:1a:f9:e8:f1:1a:a2:02:
30:50:9c:24:c4:de:7a:1f:15:49:47:22:43:2b:70:29:9d:dc:
4c:67:e7:3c:20:51:fb:75:cb:1c:72:6f:dd:82:a4:e3:aa:f6:
5d:8f:d7:1f:b1:c9:0a:f9:eb:59:3e:a2:69
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----