czadsb.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:90:8d:de:fb:4b:6c:ee:d5:73:7e:6d:a0:91:a4:08:73:f5 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=czadsb.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:90:8d:de:fb:4b:6c:ee:d5:73:7e:6d:a0:91:a4:08:73:f5Serial Number (int): 397638383497825029013573933859311263970293
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: f2:c3:b6:0e:63:95:7a:e6:5d:62:06:1d:83:bb:a1:f4:c0:cb:b4:bc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 78:7d:18:e7:92:9c:bc:7a:fc:31:72:e2:65:f2:0c:e0:d8:ab:25:fa
Fingerprint (sha256): d0:ec:52:de:97:78:ff:42:a6:7f:e1:b0:a4:d7:fe:99:08:16:16:32:9b:6a:a4:55:93:86:0a:cd:9d:3a:a8:bc
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate czadsb.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for czadsb.cz
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
czadsb.cz
www.czadsb.cz
www.czadsb.cz
Other certificates including the domain name czadsb.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for czadsb.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFWTCCBEGgAwIBAgISBJCN3vtLbO7Vc35toJGkCHP1MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjEyMjE1MzRaFw0y MDA0MjAyMjE1MzRaMBQxEjAQBgNVBAMTCWN6YWRzYi5jejCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAPaSVY2oNUftuwME1WUpfanrp6vuvGH0Bw10PEZK 34eI6qGz/nEr325NVna45Nz8VucK5suoTdCF5Ny4DwNydnL94AL1tq5CDUVgjcpf QEh0pH1hye/DbLZiGC+R+JoO9TsutzeAiFB2rgDjSeRZBICX8ki3BKb1Q4qjXJqM 0zV9ZZ/qfjD2v/Dw9KgMRrY/hKgS8BHu4JONSKcXM9sQZwGGzbozTGFCm6/2hd3I 7Ny0qDg8A8Bqml+zs/EkE/E5ojLh8nootNalbdSApTP95J9465VbB/h48qnRz/R0 IAIMFvxQE2xDCLrvdj0itN6sHGtEXsh15zqOb9Kqg1N0DeMCAwEAAaOCAm0wggJp MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8sO2DmOVeuZdYgYdg7uh9MDLtLwwHwYD VR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4G CCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8G CCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAj BgNVHREEHDAaggljemFkc2IuY3qCDXd3dy5jemFkc2IuY3owTAYDVR0gBEUwQzAI BgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nw cy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwDwlaRZ 8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW/KY8bUAAAEAwBIMEYCIQCL Xhlq9+RL+wapCq1Kmz5Z02w5jI3WTGcYTknOvwwUOQIhAMrKPiHjVea9Rpu/kSRv E0LC+DGYJwg2l4W+QPFNaw1kAHUAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFvymPHCQAABAMARjBEAiBfl0RaDdORYLtjMw/6jLlMrlECjHdgvr0P jMXIMY6LjAIgVGPApfT+nXJ08h2qDQbrZZyGwXsXU56t1rCM9zsRe/8wDQYJKoZI hvcNAQELBQADggEBAE3Aj+A7wDM10hzJDeCssKbIYi5awih4vCfYMSlSbure4xNn K+wbxGAeKYv3o9qncVd778fYfE8NhJz+t1wU8Ckh/R3u/4ypY0qUGD9qnqANWMdS caH3QLUIT39h4+EpvWRa0vZSiRM442PInH5Tjbod1ENYaMX3fPwt/uWXQN3KEhTK 19L4xBAVpNNDJm8A2SW1XjKejpF603dsKTcOyrGfm76phRcdJfYdcebJd8hvS+QS 0Y4PkbCeMnqQ2aQ/5gOGFTLCuGBqJCTR+euTgqpta/H7ek8cFzgq+KZMEPQZhMZ0 H9K/+hTRahtIPeB777S99yUGayE1QGLbpRSQOrQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9pJVjag1R+27AwTVZSl9 qeunq+68YfQHDXQ8Rkrfh4jqobP+cSvfbk1Wdrjk3PxW5wrmy6hN0IXk3LgPA3J2 cv3gAvW2rkINRWCNyl9ASHSkfWHJ78NstmIYL5H4mg71Oy63N4CIUHauAONJ5FkE gJfySLcEpvVDiqNcmozTNX1ln+p+MPa/8PD0qAxGtj+EqBLwEe7gk41Ipxcz2xBn AYbNujNMYUKbr/aF3cjs3LSoODwDwGqaX7Oz8SQT8TmiMuHyeii01qVt1IClM/3k n3jrlVsH+HjyqdHP9HQgAgwW/FATbEMIuu92PSK03qwca0ReyHXnOo5v0qqDU3QN 4wIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 397638383497825029013573933859311263970293 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-21 22:15:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-20 22:15:34 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'czadsb.cz' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 31126783101545971187544775646162689452331522896895217214450106992452000171714352551934695179349284642239117185423485294648990562856314130856560541714678445411410095427969536350836168977204115190796176774291487681912591840307554608222955604389611857078056432987413021182664255355895553447000409771031743643308412774623984327536669236629098690019363861556498074539083316287701569811781864440480985659665912128157429685753387972226246250305380563346904201765024245675635187514689222871145176547590955792181256996139514883750167864907517068615077825197378071109446601645130342378431649319549356908400190841727374205390307 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) f2c3b60e63957ae65d62061d83bba1f4c0cbb4bc . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'czadsb.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.czadsb.cz' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016fca63c6d400000403004830460221008b5e196af7e44bfb06a90aad4a9b3e59d36c398c8dd64c67184e49cebf0c1439022100caca3e21e355e6bd469bbf91246f1342c2f831982708369785be40f14d6b0d6400750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fca63c709000004030046304402205f97445a0dd39160bb63330ffa8cb94cae51028c7760bebd0f8cc5c8318e8b8c02205463c0a5f4fe9d7274f21daa0d06eb659c86c17b17539eadd6b08cf73b117bff . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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