www.primocar.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:62:30:bc:8e:96:e4:92:e3:df:f3:e5:81:84:47:de:b7:e9 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=www.primocar.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:30:bc:8e:96:e4:92:e3:df:f3:e5:81:84:47:de:b7:e9
Serial Number (int): 294749311741196918125970127894557371578345
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 38:46:37:09:e9:ca:e0:ae:01:cb:61:0a:3a:3b:71:6e:4d:24:4f:2d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0e:e2:a7:3b:61:40:71:af:ed:21:9e:e3:14:ce:53:09:4c:1f:05:ec
Fingerprint (sha256): 9f:05:65:c0:ec:df:5b:6f:b3:d5:8e:80:7a:a5:5f:ff:35:61:d5:43:84:c1:fb:bc:6b:dc:52:67:57:cc:c8:48

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 www.primocar.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.primocar.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

primocar.cz
www.primocar.cz

Other certificates including the domain name primocar.cz

(limited to 100 certificates)
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz
www.primocar.cz

Certificate

The complete raw certificate details for www.primocar.cz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGDjCCBPagAwIBAgISA2IwvI6W5JLj3/PlgYRH3rfpMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAyMDIwNjM1MTJaFw0x
ODA1MDMwNjM1MTJaMBoxGDAWBgNVBAMTD3d3dy5wcmltb2Nhci5jejCCAiIwDQYJ
KoZIhvcNAQEBBQADggIPADCCAgoCggIBAPritUr2fdfV7vUytbN4+US5AlxeCqbd
9Ulsr+0AnFkqZAGzvpFdg+2BKwNsh09Yhi8jqb0Rgl8gXV+K+1xWfgtijtfQtT6s
27y314VfHZE2n37VimQnSNdsGR5eBHnrnJmVE/An4rc8cBYix//MFwjZpUNmtKVw
DOY2k2T5e76mb+4kW/lnVZpQZB0NBvlbCe+vflnL2gEfxk4ouD3JsbJGAHfb2dxl
DOsXOb6URBmKH6xSQPilNZR3Bu8aJZDXOOdtjH6Lv0PdDluJrG+m9RS53ICZ4fAL
3LMOLgzfyblPp2mwfaH8NnLX49cYcUrvLkcc+eOs9+f7EY/M/RhUfOwBgllMISPM
po3ztU6Ja4t3aRtRz4Jj+gqgSVvypfI+fJtVFuErp8ue8rsbOLoyMKsX85nBaYWI
eXJ+mg+uisb2ptbgg7/oLjurobP3SgA95pPXCGB27sUkLhWgUwcH4y3aPfK2+5Ka
/9w99VC20HCBlrD5NfjbdkHch+Yu1QHajk1lwrsITk8hSDqdlaWMMWpw8A/eybTj
0rbyzePYPPRDhxrzJi3uL6uMRrno4ShOQOgU+oP1e5jaDxsf6a0kdgQa2zaHf6xU
S4gQbx+hoTduM19O7mXZ+FKK8b09gxOTBUYu4jjz1mpI+GPmESGWZNRMlyXINvnf
EokmQZX3TfjZAgMBAAGjggIcMIICGDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDhG
NwnpyuCuActhCjo7cW5NJE8tMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z
qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZy8wJwYDVR0RBCAwHoILcHJpbW9jYXIuY3qCD3d3
dy5wcmltb2Nhci5jejCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC
3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3Jn
MIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUg
cmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29y
ZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBz
Oi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IB
AQAKHPjUQ7Iq/6A7QZPh6t7wTqIvy7h3i+tgk+im7Wy6KFYhMe6+v9Iz542SqRwN
m20y0C34EGGAcSkfwrGedj7wqoeco0CQhAayW8A8fGAZn84luCLzAsYcN/r6gFxU
5mTLwsz28z9YehUog86qyDyAg5z3HF31giklljmeTGpaFlM4Zbq8UYsoSzlF6USD
tySvGT9n4YvW100DZdVIL3b72fR+XWVZQRKkzNQbzbiuMZyQiXSeg/j4BJMFPFhE
CYHu9Lxaxdd2aUCyQA94vWsKp4++Qy92keqN+TN0Xy+Fh9kvtEfnA5huGUdKOv8F
tnYQSCW1vY70eyucU1zO9JK/
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 294749311741196918125970127894557371578345
 . . . . . . . . [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 2018-02-02 06:35:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-03 06:35:12 +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 'www.primocar.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 1023523863339748596796261385070720464522137737488790944904605913980910120266646268432130512609811098911530448457304307506351591768851845595036141010652844794083469266941185898863940153872415633881243632848891187607278606364120435548516470860656415398616675280352432177644926021591517603358239920301347679435444835850879226075933523245323295294901359362693061686957929707627702449351894688874987226704814220048733663010170306403447268111868792099249582662677574585626929921352088756964494257240348349879653498244498318813811332128038798145571651234558485443661534917339257266476063879363603483439824159927950414239516988402103165614401860264732479534577930573788380099110207876726455449362312347405289274662032464966637663190353198584993483365478102080051357319660788403101373189902594172554189508633249636436192464358227004698509795081079505139868685190129286502140567566513936836317630128732294118538386752916492021258781074793422648276156883740818646537179265914220580819123701708221329189229320677196721790454407487444869953020767693923036221599114333857207715964054166572746799106189281097760149977734913392042850009004875698529398321086013386374722446837540420271999156124059812901520122157381288850056276650074326068297116547289
 . . . . . . . . . . . . . . . . . . . . [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)
							38463709e9cae0ae01cb610a3a3b716e4d244f2d
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'primocar.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.primocar.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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