skolyjh.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:02:b2:9a:2a:b7:79:4b:ea:76:7f:16:35:ff:32:e7:7f:7a 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): 04:02:b2:9a:2a:b7:79:4b:ea:76:7f:16:35:ff:32:e7:7f:7aSerial Number (int): 349367111524246289458579034372522883121018
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: bc:2d:8f:27:90:51:d5:8e:27:77:c3:9e:db:c7:ca:09:f9:a1:84:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2d:44:ea:44:66:d1:a7:84:a3:79:10:ef:f6:bb:44:7f:96:0a:3a:2d
Fingerprint (sha256): af:d1:e5:88:3f:3f:2a:98:b3:0c:e0:3e:8b:37:0a:68:9c:0d:b3:2b:88:bf:3a:c5:b1:69:96:9c:a7:17:b1:23
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----- MIIGdjCCBV6gAwIBAgISBAKymiq3eUvqdn8WNf8y5396MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMDIxNDQyMTFaFw0x OTEyMzExNDQyMTFaMBUxEzARBgNVBAMTCnNrb2x5amguY3owggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQDJ8V+wOe6aUFFkVNNCj/Ujb2vBEyG59Z/8n2iZ i9II3CO/P8nttmRKj8pqVD11P5SrfefzyFUT/eXSBhTlxO0GwvRI3jSSgHCSZdnA X6/CtmPK95IDJmgoT0yMplIT4WjsGZU3kifTjH7kFD/Qw7cQtDT6BD+VLos3J1ID 83XbUxiIlliJIT2m3mGjoC78ZPoiEH0NuoBECrb1R9q5XwfIJ1WUrvDQKG56WYaL tMAI26pbFwQFG2CE1b0eQrgYQIG6FiVmRUB7tFpZS585g8dUD+1kr4x7e0U5Ce9U 3XCTHYFz5vtZrYn1VLzi7IHKuAsvpNtNdWCjWwFRiOL7nq1dI5TDZRZjey8Kf+Jm 0if/TPrAXRo4iXiYfclNAz7dUKKuvPduCRPgdID5uKvAdlWvbUsfYbLsHdK+SN3Q mJMa9Tr05+c4Yh4p58J1gj4xm7VXz0ezQ/RtKKMATDj6KQ+/uBUf2Y6JsynP67Kc u+QTD79JTqP0PyKGrjCNDEIE3wa3Fe39PaDKsFnG0hL9EBYUdUwxMcGv/tOffWvq JtmFBTWGx0BtcEYbCDaPGicAwgBIkxtOkWuCtEcUShCIgxoHT3UIrvI9+6cfsJ9A gaMF9hwSWjQWBeNrnBQHa5UXjnXgjrO7RqYLxfW6UDHeLxPVjcYFNKvlWWaZF/nZ DHQc/wIDAQABo4ICiTCCAoUwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS8LY8nkFHV jid3w57bx8oJ+aGEWDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMD8GA1UdEQQ4MDaCCW9hZWxkby5jeoIKc2tvbHlqaC5j eoINd3d3Lm9hZWxkby5jeoIOd3d3LnNrb2x5amguY3owTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQBvU3asMfAx GdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAW2NIsyYAAAEAwBGMEQCIFNcJ3ZF qUobq00KVh+aWTH/SBECXkPaE1hm9iXL/anDAiB9rzY0bidDqTCjzPW27HEYllpP phiBaicolOmpykt3CwB3AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iN AAABbY0izHcAAAQDAEgwRgIhAMbvyyLoNwDs6F0Oe96NuP2y4oBpT1fQbdAj5O3o PUfeAiEAoBKICod+XsNGcgumb2pXskUCEDdRixIlZuj0MUpgPbkwDQYJKoZIhvcN AQELBQADggEBADQMZfu7or2wGl6XjvSgAi7T3kzKVSNJX62kG4Ct0Czr2dVRt/rw d4I8x/3p0BIDhRoBBzmbd1gn+ycK0wiTePfJgYCULyzFeKaA7+iS7bE85IDmo5qX IR0Na1p2S4DJwHvOKAxB3CU3Q90kIeQjPIl+8sGXWXMZz1DFD8VW04b6NzEN1y+T x4sLsdEAhMhYphNKbYJ5bo9M0yKUM6HCSrwN7vIbhLEXe4M6VFMOPdCaOUwj2S1Q 2qV5ekfNavjzXLhetMpdPE+5XLnN7mwFgJch/nz2mnSBKGvCEXvKPXEoHJ1OO+M+ KZmNVwcr3Fgzs9EUm/TtgIfMT5rIwm+UP0g= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyfFfsDnumlBRZFTTQo/1 I29rwRMhufWf/J9omYvSCNwjvz/J7bZkSo/KalQ9dT+Uq33n88hVE/3l0gYU5cTt BsL0SN40koBwkmXZwF+vwrZjyveSAyZoKE9MjKZSE+Fo7BmVN5In04x+5BQ/0MO3 ELQ0+gQ/lS6LNydSA/N121MYiJZYiSE9pt5ho6Au/GT6IhB9DbqARAq29UfauV8H yCdVlK7w0ChuelmGi7TACNuqWxcEBRtghNW9HkK4GECBuhYlZkVAe7RaWUufOYPH VA/tZK+Me3tFOQnvVN1wkx2Bc+b7Wa2J9VS84uyByrgLL6TbTXVgo1sBUYji+56t XSOUw2UWY3svCn/iZtIn/0z6wF0aOIl4mH3JTQM+3VCirrz3bgkT4HSA+birwHZV r21LH2Gy7B3Svkjd0JiTGvU69OfnOGIeKefCdYI+MZu1V89Hs0P0bSijAEw4+ikP v7gVH9mOibMpz+uynLvkEw+/SU6j9D8ihq4wjQxCBN8GtxXt/T2gyrBZxtIS/RAW FHVMMTHBr/7Tn31r6ibZhQU1hsdAbXBGGwg2jxonAMIASJMbTpFrgrRHFEoQiIMa B091CK7yPfunH7CfQIGjBfYcElo0FgXja5wUB2uVF4514I6zu0amC8X1ulAx3i8T 1Y3GBTSr5VlmmRf52Qx0HP8CAwEAAQ== -----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 349367111524246289458579034372522883121018 . . . . . . . . [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 2019-10-02 14:42:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-31 14:42:11 +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 823855016738339206679957093363337557259512092242213746226125799775441406621722965300027046619715529335775279721450456034115749557172615438747374898780502703025381745480887813951165000731729953907635048911259213821983349631929028258141928388771000041784415295096605532083025263886501238845933915543456004073179595503844601783274888601321157533470419764057202080243746885113068918155832570744880736936740126627282144773008764861756446441613662795535362125711334461820888390112419139325954163175761776802910346544440872235773633987660446291820435041356457887173804219559834047011852443468847263104470050916309986265034929585972738599727827286408795711516243626422769365979650370288934927145768608987813757259746359754121650642768848307306132963839443933348744396255691769225626828631593916754324598302079105168592609390856447363870373837363726639415154683413273843809158364979926345743728429394883962512434236732429260635186498714199186741328227392130685479975883393924554042455125868216464549274612500645878826655487719756666737145357305674238780932098713261115294580867150963773205687204658543710527807010425500180931183129219214924730717004033823894880398848632083139791701991122701421449144573598605285465351241723270898174433434879 . . . . . . . . . . . . . . . . . . . . [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) bc2d8f279051d58e2777c39edbc7ca09f9a18458 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d8d22cc9800000403004630440220535c277645a94a1bab4d0a561f9a5931ff4811025e43da135866f625cbfda9c302207daf36346e2743a930a3ccf5b6ec7118965a4fa618816a272894e9a9ca4b770b00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d8d22cc770000040300483046022100c6efcb22e83700ece85d0e7bde8db8fdb2e280694f57d06dd023e4ede83d47de022100a012880a877e5ec346720ba66f6a57b245021037518b122566e8f4314a603db9 . . . . [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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