krejcovstvi-vyvoj.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:3e:22:6c:4e:2c:7f:99:76:bf:90:c1:fc:73:19:c1:05:83 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=krejcovstvi-vyvoj.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:3e:22:6c:4e:2c:7f:99:76:bf:90:c1:fc:73:19:c1:05:83Serial Number (int): 282480120649849811933792174678493924230531
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5c:51:5f:a0:ae:d4:b4:b5:ff:f7:af:11:0b:b0:c3:d5:c5:fe:91:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1f:b0:bc:3c:a6:e4:ef:36:79:01:33:d6:0c:00:67:0d:84:80:81:69
Fingerprint (sha256): 9d:69:92:85:3d:35:f3:9e:db:ce:fb:76:9c:0a:a7:1a:8e:41:ad:eb:55:d7:c5:a6:87:64:42:32:17:4f:e4:97
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate krejcovstvi-vyvoj.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for krejcovstvi-vyvoj.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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
krejcovstvi-vyvoj.cz
Other certificates including the domain name krejcovstvi-vyvoj.cz
(limited to 100 certificates)
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
krejcovstvi-vyvoj.cz
www.krejcovstvi-vyvoj.cz
Certificate
The complete raw certificate details for krejcovstvi-vyvoj.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFCzCCA/OgAwIBAgISAz4ibE4sf5l2v5DB/HMZwQWDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA4MzExMDAzMDBaFw0x NzExMjkxMDAzMDBaMB8xHTAbBgNVBAMTFGtyZWpjb3ZzdHZpLXZ5dm9qLmN6MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy9qMHhbhh07mVYy2ylChUf0v b9w0o8WanoFOZaGzNDnFYjIAI1udWYGrpthqyevf0DbtRQVgghbWP0CgCBSfwTW7 UT3cmDNDu5a3wuupdf9rotZkNqYYueSoZKb5Nzn3/bNSD2Q3vyAK00spJN+39Vyn OkcWC271Q49T4S/jibYFtWGJpTQLONXk7O0pRfMbzGSMjfztas65xof8DiSUJDAE 27cJWkNKefun+p/X/WFTCMTwmueTzzg/873WYQCJ1E5T/BsH6oCM2aTd3f6aRnmU ND2o9S8iAJEy3swSwHJEU6pCANfy91cC44rQGe6a0HmpCS6ZEF7LTeR8AQ+gVwID AQABo4ICFDCCAhAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRcUV+grtS0tf/3rxEL sMPVxf6RajAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMB8GA1UdEQQYMBaCFGtyZWpjb3ZzdHZpLXZ5dm9qLmN6MIH+BgNV HSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcC ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGb VGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5 aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0 aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcv cmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAJtpw/EHhC1N06MlKTzHJBlk qAyPPcL8ve8kAOhYecyC2yjjBLLOlG2dKlwYdV74tKRx4tfu+2hYBzashG5M5tFj XB5DKHXZwdSQ+Pox6IItLVksIJt6/ZpZdOfPn8wwmXx1k01YrN9dEDCGnVZYYCSc +dUVH8Q3YR9tGx2zx64ANVe85ZZMt8oSmmgGmymOSW4uSghRD933DdhQwP3Wbwac TqGZFUGzcz7mipwSqk7vWzdIb7uo4ZmaP/5xSjOcxz8x2n0j4i6VvWZQx1MinLeI qbjU0IrgcxVuozasM0R5yuxP1VfPm3Ym4NGAOVIyTuaHy8TolIwHzbZLvAirIKE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy9qMHhbhh07mVYy2ylCh Uf0vb9w0o8WanoFOZaGzNDnFYjIAI1udWYGrpthqyevf0DbtRQVgghbWP0CgCBSf wTW7UT3cmDNDu5a3wuupdf9rotZkNqYYueSoZKb5Nzn3/bNSD2Q3vyAK00spJN+3 9VynOkcWC271Q49T4S/jibYFtWGJpTQLONXk7O0pRfMbzGSMjfztas65xof8DiSU JDAE27cJWkNKefun+p/X/WFTCMTwmueTzzg/873WYQCJ1E5T/BsH6oCM2aTd3f6a RnmUND2o9S8iAJEy3swSwHJEU6pCANfy91cC44rQGe6a0HmpCS6ZEF7LTeR8AQ+g VwIDAQAB -----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 282480120649849811933792174678493924230531 . . . . . . . . [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 2017-08-31 10:03:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-29 10:03:00 +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 'krejcovstvi-vyvoj.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 25734145615200152033760208628989490403118511594272368999943216233802677927903868656183356924316350739398348124589603741977740369989361924295551784439559531200801313369259355691294052665982666153674700785990957212091993532479955984468829521638979004952916302983034659368565907325320366230620566496779915941052516597306410667798209913163757658538972257354641314750199638303982993073768886105247581420222542984993895750539335952174654318243496690582767749450898799060359161613681115134443474943729995961791674459247248326048812620279974058162000130063023431512111158901820411352882597647454302007198091998761421934403671 . . . . . . . . . . . . . . . . . . . . [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) 5c515fa0aed4b4b5fff7af110bb0c3d5c5fe916a . . . . . . . . . . . . . . . . [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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'krejcovstvi-vyvoj.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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