API
This service provide certificate information from hostname: web-coop-prod.libraries.coop

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:f3:39:5f:cd:64:7c:3f:84:54:53:63:ba:62:c8:38:9f:6c
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E6
Validity
Not Before: Jun 30 09:58:30 2025 GMT
Not After : Sep 28 09:58:29 2025 GMT
Subject: CN = libraries.coop
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:7c:ec:56:64:b0:ec:f3:4a:c1:89:34:cf:b0:41:
9e:b0:3e:8a:9b:df:55:31:9e:5c:d8:98:32:7a:96:
1b:26:f8:47:04:5c:29:92:96:96:c1:43:5f:6c:b8:
8c:4c:0c:b1:0d:c8:b4:4a:81:fc:07:3c:b2:52:92:
b8:94:1c:05:da
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:
CD:78:82:B8:07:D6:23:8A:10:01:DF:9E:89:58:B0:0D:57:75:30:FD
X509v3 Authority Key Identifier:
93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
Authority Information Access:
CA Issuers - URI:http://e6.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:*.libraries.coop, DNS:libraries.coop
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e6.c.lencr.org/109.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 : Jun 30 10:57:00.459 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:7E:26:EB:CF:02:79:5D:A3:00:2E:44:E2:
7D:AC:00:2B:08:1C:21:63:94:00:26:6F:82:8B:FB:7E:
A7:BD:EE:7E:02:20:76:E9:BB:BA:D7:0F:1B:86:8F:B9:
43:48:CE:CF:2D:74:9D:27:DD:7C:07:C2:FB:D1:3D:D7:
6F:D3:BC:8C:BD:1E
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
Timestamp : Jun 30 10:57:02.480 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B8:9D:10:D6:E3:FE:0C:4B:F4:3E:67:
B7:15:FB:1F:DD:F1:58:0A:D7:DF:9B:24:E0:C5:3E:2D:
E5:E7:BA:DC:12:02:21:00:B0:DB:A5:1E:EE:89:95:95:
CC:38:26:98:55:FB:01:09:10:CC:B1:A8:21:2D:A2:06:
BA:AD:64:45:75:B7:0C:DA
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:65:02:30:3b:28:ca:f2:4d:ea:12:38:2e:ea:93:51:0e:be:
f4:4b:0a:d5:a0:b5:b8:ae:f6:cf:b2:ef:dd:4b:d4:62:2d:a3:
03:cf:85:5a:d8:25:24:a3:b9:f9:1d:b6:c5:c7:b1:01:02:31:
00:f6:e7:e9:49:ca:e6:9b:84:75:01:59:37:97:ea:05:0b:e4:
7e:56:8f:43:94:e1:19:ba:3a:4e:24:6c:2d:3f:1f:b2:b7:9b:
77:a1:cb:86:0e:be:6b:53:79:c9:84:58:6f
-----BEGIN CERTIFICATE-----
MIIDnDCCAyKgAwIBAgISBvM5X81kfD+EVFNjumLIOJ9sMAoGCCqGSM49BAMDMDIx
CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF
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Ad+eiViwDVd1MP0wHwYDVR0jBBgwFoAUkydGmAOpUWiOmNbEQkjbI79YlNIwMgYI
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MCsGA1UdEQQkMCKCECoubGlicmFyaWVzLmNvb3CCDmxpYnJhcmllcy5jb29wMBMG
A1UdIAQMMAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUwI6AhoB+GHWh0dHA6Ly9lNi5j
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dJ0n3XwHwvvRPddv07yMvR4AdwDM+w9qhXEJZf6Vm1PO6bJ8IumFXA2XjbapflTA
/kwNsAAAAZfAe7YQAAAEAwBIMEYCIQC4nRDW4/4MS/Q+Z7cV+x/d8VgK19+bJODF
Pi3l57rcEgIhALDbpR7uiZWVzDgmmFX7AQkQzLGoIS2iBrqtZEV1twzaMAoGCCqG
SM49BAMDA2gAMGUCMDsoyvJN6hI4LuqTUQ6+9EsK1aC1uK72z7Lv3UvUYi2jA8+F
WtglJKO5+R22xcexAQIxAPbn6UnK5puEdQFZN5fqBQvkflaPQ5ThGbo6TiRsLT8f
srebd6HLhg6+a1N5yYRYbw==
-----END CERTIFICATE-----