skolyjh.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ba:44:5a:04:2c:9c:b2:aa:ce:34:62:a9:0d:3c:3a:3a:06 was issued on by Let's Encrypt.
With 4 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=skolyjh.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ba:44:5a:04:2c:9c:b2:aa:ce:34:62:a9:0d:3c:3a:3a:06Serial Number (int): 324720232937670109780071842031630523447814
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6f:78:a6:fd:53:2d:b9:f6:53:24:9e:04:4c:3c:68:ae:e0:2b:e2:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c5:e4:72:c1:0a:ef:c0:5c:18:ee:ac:86:fb:b5:22:8b:65:0a:96:34
Fingerprint (sha256): 7a:e2:06:13:26:b0:6b:9b:5d:9c:9b:6c:b7:d5:82:66:29:2b:90:45:d7:e5:8b:71:fa:8c:ff:99:1e:0c:a1:18
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate skolyjh.cz
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for skolyjh.cz
Public Key Algorithm
RSA
Key Size
4096
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
oaeldo.cz
skolyjh.cz
www.oaeldo.cz
www.skolyjh.cz
skolyjh.cz
www.oaeldo.cz
www.skolyjh.cz
Other certificates including the domain name skolyjh.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for skolyjh.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGdTCCBV2gAwIBAgISA7pEWgQsnLKqzjRiqQ08OjoGMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDExNzE0MDNaFw0y MDAyMjkxNzE0MDNaMBUxEzARBgNVBAMTCnNrb2x5amguY3owggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQDM6dUznEmk3+nYUyyDBBW4vZgmZtZf159adgSI 9kc8zf5qpdcZQhBXsPE3Sr3qY3vQJ9FE4EN63TZbCUhpwmGBvODOqJjRtHibN2PO u0/D2MwTz6NXM/p7g7GnsP2aHb7cqLBQn3HAV/HyIaa7VEn3oQ7AGFCM7aU0Zl7t I0jcMDQncr+MGI26hCwZnsRE16tPRBSNPppLE0mGSksjhlyOrIbcd5MrjrUaVGOX /g7mvXSQzu3iydUF7xz1t1QOHTjZrxqsSS8XnXqMtb0DJMPFdTff7qPoEfEj8j4S 1E8LmFDxTB23uy3nu4Z96WBQdrp61yzxT1rfpcfgtoMTu6iV3mZUoZ9LAjKFIRj+ fTHHuiX40R7FlDT41qkjKPPMp68rVI1O3d0dgRhFANLiOttiaNfT6sar5d8tQ2HV TFF5tzmCqe8h4V8PMcq1kQM9+op3q3kbUB3Bpsxop2Tl8t4iAt3OBVxEK28Fq/hU e0AqO9FWjt3z3q8SK7okGO/iXuN5oK9nxiDsRMy3i7+S+68Wd3PG/SIs+zSLaamk UdJoOiySNergXImX6t7YXpb9y8mru39qpvkBhwetamAJaEz3f2SCd9eMx5pxGhI1 jlJkk5cYHxG0pvLYP1dYZeMprEcpvOBCE7634jiPj7c1XHwEM/S1NeUt0+uu8DHO DRj/1QIDAQABo4ICiDCCAoQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRveKb9Uy25 9lMkngRMPGiu4Cvi7TAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMD8GA1UdEQQ4MDaCCW9hZWxkby5jeoIKc2tvbHlqaC5j eoINd3d3Lm9hZWxkby5jeoIOd3d3LnNrb2x5amguY3owTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdgBep3P531bA 57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW7Cq2j5AAAEAwBHMEUCIDWPPAKH VGu3CvvZGlmUMClsXqXNJcleZ3skUzmBdhRBAiEAn8jSAHHTYRmpISy5xlMkKeEH +Rpv1RjL5n+7uE+W5QIAdQAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOi HAAAAW7Cq2kkAAAEAwBGMEQCID5l1hRUF74Y1wt0nRRLoQS1LHMQDXuolINVDRwc udORAiBF9w2hxZx+xdidfrSRV7wMJ+JYnxRFvmxu/LAvPXG4+DANBgkqhkiG9w0B AQsFAAOCAQEAVt1oxU8V0PPbu/egzzSAyQiyD41LGFSnkFJBKo3Jserxvqwh2vM3 I3wqWTKPkF6IjTMkK+jmDLSGdr2DkfJfBLTYrLQ91S37HLCxxy67wStmbkRQOBak y3nLTOVUPnA8s7h7gLtcHj+GClsqHXzFm0icLUKRPgdB8+lLGfuaH3EhYFIB4hmF 9iWUJsiUug7ItBupUbFf0ywG0jekEwYUNzi/O6mj9qwk+HQ0zq3+p7vMfK0sIPpu TpAKpKJJ0M/W06+XUx7j3C7FV+5/qKY5UpdUc70Rn1MPGxUxBpZPUywz6z1ts6FK y/mxeOXlbgKZOKA485Q4EFYXapziwtINRQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzOnVM5xJpN/p2FMsgwQV uL2YJmbWX9efWnYEiPZHPM3+aqXXGUIQV7DxN0q96mN70CfRROBDet02WwlIacJh gbzgzqiY0bR4mzdjzrtPw9jME8+jVzP6e4Oxp7D9mh2+3KiwUJ9xwFfx8iGmu1RJ 96EOwBhQjO2lNGZe7SNI3DA0J3K/jBiNuoQsGZ7ERNerT0QUjT6aSxNJhkpLI4Zc jqyG3HeTK461GlRjl/4O5r10kM7t4snVBe8c9bdUDh042a8arEkvF516jLW9AyTD xXU33+6j6BHxI/I+EtRPC5hQ8Uwdt7st57uGfelgUHa6etcs8U9a36XH4LaDE7uo ld5mVKGfSwIyhSEY/n0xx7ol+NEexZQ0+NapIyjzzKevK1SNTt3dHYEYRQDS4jrb YmjX0+rGq+XfLUNh1UxRebc5gqnvIeFfDzHKtZEDPfqKd6t5G1AdwabMaKdk5fLe IgLdzgVcRCtvBav4VHtAKjvRVo7d896vEiu6JBjv4l7jeaCvZ8Yg7ETMt4u/kvuv Fndzxv0iLPs0i2mppFHSaDoskjXq4FyJl+re2F6W/cvJq7t/aqb5AYcHrWpgCWhM 939kgnfXjMeacRoSNY5SZJOXGB8RtKby2D9XWGXjKaxHKbzgQhO+t+I4j4+3NVx8 BDP0tTXlLdPrrvAxzg0Y/9UCAwEAAQ== -----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 324720232937670109780071842031630523447814 . . . . . . . . [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 2019-12-01 17:14:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-29 17:14:03 +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 'skolyjh.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 835973775313519218846370309197754718905717074520803523139953946224526897606349496757244934261572976615393351490177900020316218156116465513565415245003785665006467231956506629638712851944074500653801606819473145257578179511080843550056763756416043606799608193231512899872006070874596344112482095765868005962147674248102713524484566558377362608398654924844074587673549999311700986622424107993877132761045121929206697300953430238235113905730353976789067176474646560304337039943930968231100737331002278853368622257810247016953350236302016216997058952728554571633091280177469004170450056425426599995218158237782657118505986525440077554679761627807654205450481922450951176368463080659056769178244046248683572138110706072925549670496587227964751190127586777086552694770197579183239402241423757879939190694661572695738135423225128279005433304456451108320272406133043705171671438245567750615782290055620222802169689811686172482119361042905635314254953316161137198871198010800123200386202594105407793968410093416473651047610033093313388605711940751832829922250247025524653237809185413395048313487947711173213738710164324586604934410559235080062504046097529714728142223853332116337792005582271823024604541873612150508098034127618498762339057621 . . . . . . . . . . . . . . . . . . . . [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) 6f78a6fd532db9f653249e044c3c68aee02be2ed . . . . . . . . . . . . . . . . [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 (56 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oaeldo.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skolyjh.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oaeldo.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.skolyjh.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ec2ab68f900000403004730450220358f3c0287546bb70afbd91a599430296c5ea5cd25c95e677b245339817614410221009fc8d20071d36119a9212cb9c6532429e107f91a6fd518cbe67fbbb84f96e50200750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ec2ab6924000004030046304402203e65d6145417be18d70b749d144ba104b52c73100d7ba89483550d1c1cb9d391022045f70da1c59c7ec5d89d7eb49157bc0c27e2589f1445be6c6efcb02f3d71b8f8 . . . . [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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