stanik.techlib.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:4b:7a:79:aa:29:2b:93:a5:92:6e:1d:59:b6:91:2e:34:b1 was issued on by Let's Encrypt.
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=stanik.techlib.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:4b:7a:79:aa:29:2b:93:a5:92:6e:1d:59:b6:91:2e:34:b1Serial Number (int): 287020832849028240783540350722214714029233
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6e:80:23:28:1f:c5:1b:72:2e:b2:2c:fc:d4:f2:a7:74:1b:60:22:52
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 38:fc:ea:a9:9f:ed:7e:76:28:cd:ac:0d:34:9c:53:1c:78:56:ad:f5
Fingerprint (sha256): 1d:62:c7:85:bc:93:82:ba:fb:a4:50:59:28:39:9b:a7:dd:be:06:20:09:2e:10:ba:21:13:c8:c5:c0:7e:80:05
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.org/Check the revocation status for certificate stanik.techlib.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for stanik.techlib.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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
stanik.techlib.cz
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Certificate
The complete raw certificate details for stanik.techlib.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGBjCCBO6gAwIBAgISA0t6eaopK5Olkm4dWbaRLjSxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjExMDcwOTA2MDBaFw0x NzAyMDUwOTA2MDBaMBwxGjAYBgNVBAMTEXN0YW5pay50ZWNobGliLmN6MIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3BYQ8fK+tpsVgiPphMKptKBQh/nm Q6Nyy6T63GhSrLAq6F339oIG9mGEHrwMjvd33DUoXXrJzf2tMKT9vx8AT9yOBNj8 ZgqrYvLcmh1eCq10K7Iuk3XFaWicMC4Cbl7rZA+gp6Mm6mTUa0EVe805txRcQuqV U6Sylah/DI9tcgVBxkzS/BuRf+U1TyLldq1NkV+KD2IKeKioJrYek83YEBwBGuvu Nu+kmI+BA34gxPm0p7LLIAfr8iU2wpPSOSLcTV+TnYlkD9i4KdO8Kna66zCF0ie1 WbYWeD559ERHDOpgbBs8Brvw9JyXZEcTKmMfYOTnoRi/1DrLyGsBmmVWLFWTz7Ic 63HQDlwak2xnZY0AaFnU1lhD54UFC2T59oO8QuKPcx6NJbROOreXHgx0BDAaGtAm MqMcv2sDrQuxOKk3L+HDGSBpzcZh8OJI1coCysJ062W/Mg7PR+wVmOmohxqsaWmb 0fcOAPprFNmIpkx7NOVAkQ1TPMczL7YozSTSmzYLuctBpW7cTLTx0Vh8XhgXsrOq uU497OPlnry7ARt7qqbh18kDv6M3TgdwOeCYnsmCl52l3ESsD5Rt0aq4E/hLGVH5 VywMIrPZUrnSXQn6fhxDbEHiJGEjOVW3vzkfEvF+U3tENmDUsTum0FvlEZNYegCB ilxc452HqhCUMXUCAwEAAaOCAhIwggIOMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU boAjKB/FG3Iusiz81PKndBtgIlIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHAYDVR0RBBUwE4IRc3RhbmlrLnRlY2hs aWIuY3owgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHW MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYB BQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1 cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdp dGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNl bmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAPJb+YQMC AXz8LcXsvvC5qIS5l0+iWS7/uiZ3UabInLGFdspEDXZLBXwMEXDuYPjpASwhRafb 4BK4Cxgqijm/uwN8NNZcU48JEIdsAShxOR0o5WqC5AVha666NV/WFEevgJb8XLMx 10V/Q+sCiqrYHZZAjV0TGEwhbawtVVcVXRl76USXYHhixRL+0koWZGQ3KE0HVvaB gB3bN3w6AynbUywboLGe1hKf7zOZSqVm+rjP65TPMKK/xOQTstJKcbWt61x4HBx8 pPwQAVABI1Xy9su2qegOSHmnc9xwAUcHVESq0HAuwKMHW1zj2XlhScu8FWCc+4R6 HzstsvN2l21HTQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3BYQ8fK+tpsVgiPphMKp tKBQh/nmQ6Nyy6T63GhSrLAq6F339oIG9mGEHrwMjvd33DUoXXrJzf2tMKT9vx8A T9yOBNj8ZgqrYvLcmh1eCq10K7Iuk3XFaWicMC4Cbl7rZA+gp6Mm6mTUa0EVe805 txRcQuqVU6Sylah/DI9tcgVBxkzS/BuRf+U1TyLldq1NkV+KD2IKeKioJrYek83Y EBwBGuvuNu+kmI+BA34gxPm0p7LLIAfr8iU2wpPSOSLcTV+TnYlkD9i4KdO8Kna6 6zCF0ie1WbYWeD559ERHDOpgbBs8Brvw9JyXZEcTKmMfYOTnoRi/1DrLyGsBmmVW LFWTz7Ic63HQDlwak2xnZY0AaFnU1lhD54UFC2T59oO8QuKPcx6NJbROOreXHgx0 BDAaGtAmMqMcv2sDrQuxOKk3L+HDGSBpzcZh8OJI1coCysJ062W/Mg7PR+wVmOmo hxqsaWmb0fcOAPprFNmIpkx7NOVAkQ1TPMczL7YozSTSmzYLuctBpW7cTLTx0Vh8 XhgXsrOquU497OPlnry7ARt7qqbh18kDv6M3TgdwOeCYnsmCl52l3ESsD5Rt0aq4 E/hLGVH5VywMIrPZUrnSXQn6fhxDbEHiJGEjOVW3vzkfEvF+U3tENmDUsTum0Fvl EZNYegCBilxc452HqhCUMXUCAwEAAQ== -----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 287020832849028240783540350722214714029233 . . . . . . . . [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 2016-11-07 09:06:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-05 09:06:00 +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 'stanik.techlib.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 897873344216893445574444846312733128486216568935605436445554707259204281070853374488182610380278423802961070356014115368702463231843782759776870143726672116424267126206680399991850756699240997716532118094744325017235164816061316642814802190440245020863478555436542864467993149392291170235858855419559709842097726924389505146477948967857688090230681864411218280750062036020719201795808355022368374481868510140626620606230673266378839722868904158014863057101112164000207154037620020875776731821996321220675044162419941939700707515172027171187094367805519347717522334612087619189516157898309557658706808311130676400916553132479332326469934277486127329635196443633095936050202912915766362799743495382505581981593655878992156033060609568055327118106516484054348392309428401964873306409576331113997840379872854654829984448790801280887986108914534960270941124595977948550138127085615304842417601675154157185805147655516535120754196629279173358654273317353435534562749983149810200850078964727594686174800397953325687978104981775576581091367812522044429318846862694370582651747965014552178274937124653964926818150882645778292859604147258219965553395626681540339975051451620418933478935485441645274930855102506570221253278676824626854886650229 . . . . . . . . . . . . . . . . . . . . [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) 6e8023281fc51b722eb22cfcd4f2a7741b602252 . . . . . . . . . . . . . . . . [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 (100 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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stanik.techlib.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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