API
This service provide certificate information from hostname: mail.zzip.cz

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:dc:bb:ae:a1:58:4f:d9:48:3e:69:04:19:2b:2f:14:ee:3e
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: Jun 6 10:18:51 2025 GMT
Not After : Sep 4 10:18:50 2025 GMT
Subject: CN = cloud.zzip.cz
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:4a:a0:90:76:a5:7a:cf:60:91:72:61:f4:f9:4a:
76:85:f6:9a:bb:93:63:25:37:b6:3d:e3:85:10:a3:
65:7c:60:15:44:dd:de:3d:5f:05:2b:37:94:d0:3b:
3a:4a:3b:24:77:7b:7d:34:70:26:8c:be:d9:af:9a:
7e:a9:90:32:f5
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:F5:CA:78:45:09:04:80:DD:D7:02:AE:B6:59:FF:D5:EC:55:B9:87
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:cloud.zzip.cz, DNS:zaloha.zzip.cz
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e5.c.lencr.org/63.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 6 11:17:21.833 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:A5:A0:24:B2:9B:08:24:C9:02:A9:AB:
48:4E:2D:D4:82:D6:99:DE:CE:A6:35:3C:9D:C7:E7:7F:
F7:9F:38:08:F2:02:21:00:D3:3A:A3:90:AC:D3:FC:15:
00:AD:F5:8E:D2:71:64:15:80:44:4B:DC:6F:79:40:9A:
D8:D5:12:00:AD:4D:18:34
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 6 11:17:23.834 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:56:C6:30:3F:36:DB:C2:86:F7:B1:7D:62:
87:8F:C5:4C:46:A3:9A:24:3D:08:75:46:71:A1:75:A3:
02:B3:DD:57:02:20:30:D9:47:AA:B3:07:77:C8:9F:F3:
26:D6:59:AC:C5:BB:11:AB:EE:49:43:58:BD:EB:FA:42:
09:59:EC:F3:B5:26
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:66:02:31:00:af:fe:f7:7b:8d:24:91:55:f0:9b:1c:05:5c:
9d:3d:93:98:a3:7d:59:73:72:a8:d9:e1:e2:18:75:26:a4:48:
cc:59:0b:bb:08:58:58:21:81:93:8d:54:20:04:24:a5:39:02:
31:00:92:36:ab:fa:21:0b:de:09:c8:7f:76:dc:3b:e8:bf:11:
8f:a4:d8:18:b8:0a:ab:1d:b0:e6:d1:88:27:41:6a:32:73:f0:
97:e9:22:29:7a:cb:65:74:6f:16:14:35:23:cc
-----BEGIN CERTIFICATE-----
MIIDmDCCAx2gAwIBAgISBdy7rqFYT9lIPmkEGSsvFO4+MAoGCCqGSM49BAMDMDIx
CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF
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mn6pkDL1o4ICKzCCAicwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUF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-----END CERTIFICATE-----