This service provide certificate information from hostname: www.knihovnahk.cz
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:23:b8:06:94:04:a5:f6:e5:af:59:9e:87:07:6f:e4:bc:f5
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: May 25 10:44:11 2025 GMT
Not After : Aug 23 10:44:10 2025 GMT
Subject: CN = knihovnahk.cz
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:c4:b6:09:fc:b4:52:bf:64:1d:f2:8c:a8:07:01:
da:8c:00:67:77:e0:3c:3d:43:e0:5e:bf:61:8a:42:
8a:f4:39:87:8e:57:f2:d6:02:ef:a9:01:72:f8:e4:
08:23:e6:71:1a:35:c5:23:44:c0:0c:58:bb:55:8a:
c9:34:47:9b:f1:75:83:da:06:71:cc:db:17:25:3d:
f3:91:8f:c5:6d:4b:79:84:b1:80:6b:c1:5c:f0:22:
fb:7b:c0:a1:38:46:79:88:25:6a:2e:7d:40:b4:6d:
1a:fa:a3:8c:23:40:5f:04:c1:c1:8c:0c:78:6b:1d:
39:e1:e7:d2:58:cd:e7:94:70:93:a0:8a:c0:9d:9f:
be:83:e9:a8:2c:d2:4a:70:95:14:6f:f7:ad:54:2d:
33:5e:3a:0d:58:e5:2f:3d:f6:8f:5c:bd:d3:68:3e:
36:14:cc:4b:d9:53:85:7f:67:0f:26:2a:bc:63:00:
6f:36:24:2a:69:70:b6:9e:56:5e:b6:ec:66:d6:45:
74:8d:53:80:66:e2:d9:da:0c:f9:60:16:00:9b:7e:
3a:87:63:85:4a:1c:0e:b8:26:04:d2:8d:a2:5e:92:
b0:4d:df:0c:0f:31:b6:ab:54:2d:8b:d8:1f:6f:73:
ee:26:0c:da:58:b0:cf:c0:bf:41:0f:ec:cd:89:69:
11:29
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:
56:A5:41:73:32:9A:8F:A7:63:54:BE:44:D9:13:91:29:96:A6:73:44
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:*.knihovnahk.cz, DNS:knihovnahk.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/118.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 : May 25 11:42:41.378 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:63:83:D4:9C:CF:27:3F:5A:95:3C:A5:AF:
51:19:EF:C5:8B:8B:4A:59:6C:6E:97:FA:DC:2D:46:3C:
1C:FA:98:16:02:21:00:C4:5C:45:E7:2D:11:0F:5F:FE:
D0:8C:B4:23:58:84:94:D6:1B:E0:23:C3:13:F2:B1:AC:
FE:D2:5D:49:2E:6C:BF
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 : May 25 11:42:41.513 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:03:25:49:9D:16:0B:CD:53:18:01:CB:F9:
AB:6C:CF:FE:BD:B2:0C:4B:A5:D3:9F:FD:44:81:54:1A:
17:40:6B:A4:02:20:0F:90:DD:50:D3:1B:E9:25:6D:9F:
23:CC:F4:F1:3C:1C:5C:67:11:2D:17:A7:A4:AE:C5:07:
52:C0:87:92:E2:AD
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
90:98:d2:ac:25:82:00:bc:b0:bf:ca:ad:d3:dc:68:24:94:d2:
20:49:b2:91:fb:00:2c:84:0e:19:1e:5f:82:67:7b:1e:c8:81:
15:9d:4b:b6:78:a4:d2:18:dd:55:ca:14:b8:1c:7d:06:52:ea:
83:82:f9:c6:b9:3a:1a:c2:b6:ef:50:52:0d:64:03:04:2d:4d:
e2:b0:c7:39:ae:9e:c1:d0:fc:95:d2:20:16:75:65:97:fc:fb:
3a:bf:4d:9b:ef:60:9c:71:f5:a3:95:f4:62:a9:70:62:df:26:
ae:05:bf:7c:be:64:03:95:6b:16:40:0d:2a:85:2f:be:bc:04:
49:ee:cb:79:bb:a7:6c:b0:76:01:0e:d2:c7:ed:33:2d:d1:f9:
45:59:ef:80:e8:00:b1:c8:62:79:c0:49:93:0c:b9:f9:2d:88:
d5:5f:5b:4b:64:3f:d7:a3:1e:55:a5:e6:a2:1e:52:51:05:23:
cb:e3:ab:0c:6f:4b:b2:e5:b0:db:84:6c:9b:68:82:cc:9d:88:
fb:17:07:c1:29:95:91:cd:24:2e:ab:22:19:da:80:be:71:6e:
5d:1c:bd:dd:7f:80:18:6c:eb:5d:46:08:33:e3:f1:4f:8a:76:
c9:2b:0d:34:44:10:aa:83:a0:56:75:bb:bd:ed:65:b8:06:b1:
66:f2:c9:fd
-----BEGIN CERTIFICATE-----
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vnFuXRy93X+AGGzrXUYIM+PxT4p2ySsNNEQQqoOgVnW7ve1luAaxZvLJ/Q==
-----END CERTIFICATE-----