This service provide certificate information from hostname: mail3.kkn.cz
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:5c:84:73:34:e0:c9:97:30:16:c7:d2:cf:8c:22:fd:08:8a
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Jun 18 21:01:38 2025 GMT
Not After : Sep 16 21:01:37 2025 GMT
Subject: CN = webhosting.kkn.cz
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:78:e5:46:3f:9c:eb:10:0a:81:3d:cd:b6:7e:72:
cf:0d:ac:54:5d:60:ed:27:bc:f9:9f:0e:ce:eb:ef:
ae:f4:bd:bd:04:cb:52:e4:26:e8:88:2d:6e:3f:ef:
c0:cc:ca:b8:62:c4:eb:6f:0d:07:bd:d6:dd:ac:e8:
ea:a3:a1:53:ed
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:
7B:1B:C3:4F:33:1F:DD:6C:83:DC:95:67:FD:B3:61:26:F4:B3:FA:F6
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:webhosting.kkn.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e5.c.lencr.org/11.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
Timestamp : Jun 18 22:00:09.003 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:1E:2D:84:DA:94:D2:F1:89:1D:B8:C5:A1:
2C:36:FB:DF:02:C0:61:8C:93:66:4B:D5:A6:94:5D:AD:
07:00:00:2D:02:20:22:B3:B7:44:FE:93:32:59:09:99:
04:36:D1:E2:F5:1A:57:92:86:5E:5B:78:B1:50:93:C8:
35:97:82:03:DE:EB
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 18 22:00:09.000 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:FC:63:D9:41:8E:0F:08:FD:13:AC:A2:
5C:2C:FB:2E:E0:FF:88:EE:4E:1B:5F:F4:26:B0:C7:CD:
28:06:48:BF:D2:02:21:00:BB:DC:1A:7C:A1:A3:F4:86:
8C:74:73:EB:69:A2:30:AB:B7:71:51:ED:9D:DE:72:71:
DF:9F:A3:EC:31:4D:AD:D7
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:65:02:31:00:98:c0:dd:fc:d4:72:78:f4:1d:d9:2f:16:60:
6b:ff:66:9c:11:cf:df:9c:78:ef:77:23:a7:48:54:5e:1e:70:
e1:3e:70:06:97:c4:06:55:e1:5e:37:ea:d4:e8:02:8b:fa:02:
30:48:15:4e:1a:cc:9a:aa:68:e0:45:db:19:4b:5c:27:ae:f5:
33:8d:a9:c5:10:b6:b0:08:a1:fc:e4:59:be:80:df:29:cd:89:
d1:c0:12:75:e6:5b:37:f8:cf:65:c9:12:59
-----BEGIN CERTIFICATE-----
MIIDjzCCAxWgAwIBAgISBlyEczTgyZcwFsfSz4wi/QiKMAoGCCqGSM49BAMDMDIx
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yRJZ
-----END CERTIFICATE-----