kovarskebarvy.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:59:4b:fe:47:89:13:8e:29:d4:c0:d3:89:7b:6a:c9:c9:86 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=kovarskebarvy.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:59:4b:fe:47:89:13:8e:29:d4:c0:d3:89:7b:6a:c9:c9:86Serial Number (int): 291723000845241591928714906170553358993798
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 47:d7:20:41:6f:34:52:f7:9f:e6:4a:8d:44:22:8a:9b:1f:ac:1f:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 6b:3d:5e:c2:d4:63:82:81:cd:f8:ab:5d:cb:78:cd:52:2c:78:de:74
Fingerprint (sha256): b7:4e:9e:24:03:b4:fb:23:bc:c5:13:bc:d3:c4:83:9e:09:27:2a:01:5e:3d:ac:4d:84:75:c5:ea:57:14:96:39
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate kovarskebarvy.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kovarskebarvy.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
kovarskebarvy.cz
www.kovarskebarvy.cz
www.kovarskebarvy.cz
Other certificates including the domain name kovarskebarvy.cz
(limited to 100 certificates)
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
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kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
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kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
kovarskebarvy.cz
Certificate
The complete raw certificate details for kovarskebarvy.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFGTCCBAGgAwIBAgISA1lL/keJE44p1MDTiXtqycmGMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzEwMTQwMDM1MzhaFw0x ODAxMTIwMDM1MzhaMBsxGTAXBgNVBAMTEGtvdmFyc2tlYmFydnkuY3owggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDT/RhgEp54ENv504zHYrxGe+Olwd3P IR9jwSkNuLu6SM0B4vRECqvUmTOoiIHr4d2XR4yIyTWNkHD1lx7egiEDp8cUn+6X ZJsqdtIym+J6ynazqiwaZS3mZX9wLqiIGiDVHNcrsV+xhqFD9O3ka7pv9g8Jo8yd gqm5Khvmc5WtSDQWplLKwTEm4Ej5y4A8RH/DIS2Wpdnfn03xuDjtVIGAx9gbKhEB ijr5V4nq5itkg6VHyPqlH7KHzhXT3dQ62N+2Z4Xpft9RDeZY1JIvkFmuVrWdOoA3 8podZylvXSD9AhhzC8aQuor6KiamEUaMggldk09kpXNZh3gNcMI07CInAgMBAAGj ggImMIICIjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEfXIEFvNFL3n+ZKjUQiipsf rB/QMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wMQYDVR0RBCowKIIQa292YXJza2ViYXJ2eS5jeoIUd3d3LmtvdmFyc2tl YmFydnkuY3owgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEB MIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYI KwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGll ZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNl IHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xl dHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEADRbr IhhOIt5pb5trcqDbeMtzrTsa0aGWVEiTLyoMMN8bIthNIm3uVtXDV+E1ginsL7JR ZcTEKiW7prQNsXwv9jKo2H3w24jE16y2Ry8e2/zDGjXbiF2xuK2IlCyrCdjzRRMG x/9kOiRAuVsVPsvEegMGrowl2fT5aD5+8WSwB+x1K5PGAyKFGxKel+yDRGC182YF 6X+SY28zO2YuaYK/hpL7oyQHGnpzAhymczxfelq3nqFsKXfNk5vSv27qN54SCNsd n/Z93R5FHV+AhRE7RB1MTYQaxvbsD/Np4eNJJ21DLpT+tGSvtn69seMvOAaK1mH7 TqorckhoUnbR85ouYg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0/0YYBKeeBDb+dOMx2K8 RnvjpcHdzyEfY8EpDbi7ukjNAeL0RAqr1JkzqIiB6+Hdl0eMiMk1jZBw9Zce3oIh A6fHFJ/ul2SbKnbSMpviesp2s6osGmUt5mV/cC6oiBog1RzXK7FfsYahQ/Tt5Gu6 b/YPCaPMnYKpuSob5nOVrUg0FqZSysExJuBI+cuAPER/wyEtlqXZ359N8bg47VSB gMfYGyoRAYo6+VeJ6uYrZIOlR8j6pR+yh84V093UOtjftmeF6X7fUQ3mWNSSL5BZ rla1nTqAN/KaHWcpb10g/QIYcwvGkLqK+iomphFGjIIJXZNPZKVzWYd4DXDCNOwi JwIDAQAB -----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 291723000845241591928714906170553358993798 . . . . . . . . [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 2017-10-14 00:35:38 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-12 00:35:38 +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 'kovarskebarvy.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 26761088250404745046926533812507101142908713438176431330601217579259615481135323552257672340183980319290289826418698752695634038230747955242238289635522547085793629342612298927702467689802073071578060683512523861217298342254326278850048725853173226752171518401822172616342150652510154772262157840318540765000626166878276979738661867453052828580102873636483916051212787046537685987841369134532710468014762844914107013463307232638342101630605359803928199221767683037558266586613026558610846276119243451774781711224940007104540621150637978523484843866977246613183827613703486567570296933671179529653870826273018848485927 . . . . . . . . . . . . . . . . . . . . [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) 47d720416f3452f79fe64a8d44228a9b1fac1fd0 . . . . . . . . . . . . . . . . [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 (42 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kovarskebarvy.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kovarskebarvy.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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