nostavebni.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:fa:cf:11:8a:5b:40:1f:ba:b1:ac:66:28:9b:82:47:4c:67 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=nostavebni.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:fa:cf:11:8a:5b:40:1f:ba:b1:ac:66:28:9b:82:47:4c:67Serial Number (int): 346682690795891561975171332985162765388903
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 2c:28:b5:d7:e8:29:81:57:26:4d:3b:35:18:81:24:0e:bc:8d:de:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e7:d4:2a:87:35:6a:0a:6a:19:91:b7:c5:b4:2a:c9:a6:4f:6b:ef:85
Fingerprint (sha256): a0:c6:98:d6:be:9d:41:19:f3:5f:86:c1:29:d8:3f:6e:6f:80:ff:c3:5a:12:1c:9f:50:49:56:1a:09:a5:fd:21
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate nostavebni.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for nostavebni.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
nostavebni.cz
www.nostavebni.cz
www.nostavebni.cz
Other certificates including the domain name nostavebni.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for nostavebni.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGEDCCBPigAwIBAgISA/rPEYpbQB+6saxmKJuCR0xnMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAzMTQxNTQzMzFaFw0x ODA2MTIxNTQzMzFaMBgxFjAUBgNVBAMTDW5vc3RhdmVibmkuY3owggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDQ9oL+wJOkInQib31K/fYYSeI9CVqCsILv jDShH+kMGCingfQODcVOSIZ4orI6toIcriV/xFl12QOgPE+QUygxKu5Mc24MvLE9 VtzN3Lx3rE9zlkM9Yz3zQ6NLn4ad/FBb3LKkfOb7JsmyA45Z37bg43tqNlW1jtgs 09OvWV34JfQVhuYmlnAOMADTp3hC1RC1340IaoikwBr5yCIfQHqG/2H2aeDHIw5M fgTLheLP1L8LVsGoZton2JAn22vRRbl8oMXc5uceWYcv309QKvmlTI/JEoV1FVhs uR//E8dp1P2GLNxAy+aK3IFi420wWfPG6EvDymRdA2Wq1Zf1TlGQDXbyN647ELvr W4L0w4ZA0l6Ku4f71iI6EAhYPGqFoQKJsatpQy5NLxjhZDJFRt0hng6MhSE3Db4i 6kSRjXCDy3pqzATH9SnB/u6dqtzsTljRDpDGHmyMxYEiqHBJrX1/SSBZbLSEZzIp s16ojboiAWxTI/kswY16/ixGCNhV+Wy1YSCnsTNb+js7FpCfg8QQlDo/sZKNOL/2 WE/y7scWkHvy1jdfkx9bCijYmtYiyZeDbJoj8CyS1nnNJvA9GfPE9lrB2mOfBjmz rkTUrGAmZeGMtkeh0Vd9r9hMXc2wmp5Xs9fFdk9sP02a33Y0wPUuc1JptM35uXXB hg8a09ICrQIDAQABo4ICIDCCAhwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQsKLXX 6CmBVyZNOzUYgSQOvI3eszAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMCsGA1UdEQQkMCKCDW5vc3RhdmVibmkuY3qCEXd3 dy5ub3N0YXZlYm5pLmN6MIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEE AYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBi ZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNj b3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0 cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQAD ggEBAIkXEMAU8G25IopOhtobmR+tiTxKABWVAOJxL39UajHfIKyLR9wMzBcIsfKN J+0yHDBmzWoZuvJYWrXNVv1I6wj5X6sdvOrmyP+3wqYMeBRWuGgaoxcDAvgagoN1 2ZaR0RJR3rR8Zo2lj3wFlj7t5rq7FKnYP+VIe2tej45KC1cwDElWFMnLOrZEz49Y sNkor4uR22I4WfgvsoT15HhOnnjEbjmDNwRRmkG1lkxdAH0vcs42Qoevy0TL5BCK P4vkZB1Ccn8AU8XA6/PopWxQo65uqFld7hEj7q84tuZ8+iHnngvfvom/juBaTZk9 ntv9kaVR35dJW6hDzqUl1r6r9uI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0PaC/sCTpCJ0Im99Sv32 GEniPQlagrCC74w0oR/pDBgop4H0Dg3FTkiGeKKyOraCHK4lf8RZddkDoDxPkFMo MSruTHNuDLyxPVbczdy8d6xPc5ZDPWM980OjS5+GnfxQW9yypHzm+ybJsgOOWd+2 4ON7ajZVtY7YLNPTr1ld+CX0FYbmJpZwDjAA06d4QtUQtd+NCGqIpMAa+cgiH0B6 hv9h9mngxyMOTH4Ey4Xiz9S/C1bBqGbaJ9iQJ9tr0UW5fKDF3ObnHlmHL99PUCr5 pUyPyRKFdRVYbLkf/xPHadT9hizcQMvmityBYuNtMFnzxuhLw8pkXQNlqtWX9U5R kA128jeuOxC761uC9MOGQNJeiruH+9YiOhAIWDxqhaECibGraUMuTS8Y4WQyRUbd IZ4OjIUhNw2+IupEkY1wg8t6aswEx/Upwf7unarc7E5Y0Q6Qxh5sjMWBIqhwSa19 f0kgWWy0hGcyKbNeqI26IgFsUyP5LMGNev4sRgjYVflstWEgp7EzW/o7OxaQn4PE EJQ6P7GSjTi/9lhP8u7HFpB78tY3X5MfWwoo2JrWIsmXg2yaI/AsktZ5zSbwPRnz xPZawdpjnwY5s65E1KxgJmXhjLZHodFXfa/YTF3NsJqeV7PXxXZPbD9Nmt92NMD1 LnNSabTN+bl1wYYPGtPSAq0CAwEAAQ== -----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 346682690795891561975171332985162765388903 . . . . . . . . [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 2018-03-14 15:43:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-12 15:43:31 +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 'nostavebni.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 852494403622495346797580012977295878067770203895612559024239182210421033543369074929225476430176197134716700041072375430906714262866733096609831199392153752679688297002701703832491822833391408370825198917140229334870294016190098161389404456175449270227803892051585750006293131614337668312902997275254303715896350116020708938657048342152174602207636065726609300535737262165757100729864896256106203235460568319597944379004775823887099301466896850122879795778189116462995486449069334639823192053671258923777163854464148669748417153820160063319378140327449088943077255250968400716114208074633930201775791430293022755437409793429758903452578304596296096885099987499679521378466174990080321411008025182687876506556784270861872965800343642298974120084436326884444770738613813005297791715035426411585698799707995619036970475736661435064849023305947783711977710241066895124007790758021772242021925524471261578814863234283531084353695016646681274379339974706006273444011787261714094271827972009841452620993468835254187404843364415631180164579186613918200748155077634081924610279948363539156436042613442304336223615271094163036918551790322337776199411050060322920224427282375429290252481456646233903752326551664273657756330063333920128925565613 . . . . . . . . . . . . . . . . . . . . [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) 2c28b5d7e8298157264d3b351881240ebc8ddeb3 . . . . . . . . . . . . . . . . [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 (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nostavebni.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nostavebni.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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