www.rpz.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:21:30:bc:fb:b5:07:57:10:82:94:e4:a3:40:f8:c7:3f:bf was issued on by Let's Encrypt.

With 3 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.rpz.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:21:30:bc:fb:b5:07:57:10:82:94:e4:a3:40:f8:c7:3f:bf
Serial Number (int): 272630960104506169324889453763668803534783
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cc:26:bf:e1:89:80:ed:dd:2b:df:41:6b:f4:9a:c5:2c:57:c6:62:ec
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2a:47:27:fa:bc:4c:fa:c5:02:83:5d:46:8f:87:8c:fc:a2:08:13:f7
Fingerprint (sha256): de:2d:f4:93:55:b6:92:d7:d9:47:26:25:52:71:08:f6:c5:67:23:52:9f:c2:99:41:db:89:99:a0:86:a5:b4:7a

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.rpz.cz

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.rpz.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

rpz.cz
www.renaultretailgroup.cz
www.rpz.cz

Other certificates including the domain name rpz.cz

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 272630960104506169324889453763668803534783
 . . . . . . . . [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 2017-11-29 06:24:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-27 06:24:47 +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.rpz.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 765695005302885079301436264734301736490007594232091637486299223838929448932320067455951530816558551136633312963976975132274564358212203677252611254497388688779123430601245451516575817265830405274180503083236426284968833885219032139335463915925954893608046923312401881709455038210583048430458379185852710063530748410510282262649207931256789255843391063325521285309390561757449457595215651521403805408294561443438222404377877354064070066205327382555643941610321915932388394578855632877797275939628133208591902546870391471909127695999261437233038221554309701746302012207079050531384708306636500166740997545329265224856302365605798986144666651223968842768309087795846056933605652914136518915582988298350381373291641630433816085422937110100881921757952341694357697312660444990066978843865431540752479302725962282381143325367704815701248535985934864673095841956141625706608248588996028015385345583174569826537069655971721901810487343170907874018864990390723178859368539330236079418698484151548669611467274383884211869722563878380043307477560814770975520477376296014687358124529351886210241845066790768429521761346219090366495732390174502223811679482065560421383887436837809303366463417590325269911127653081625422823231498419266589138024741
 . . . . . . . . . . . . . . . . . . . . [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)
							cc26bfe18980eddd2bdf416bf49ac52c57c662ec
 . . . . . . . . . . . . . . . . [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 (49 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rpz.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.renaultretailgroup.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rpz.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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