www.rpz.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:02:40:2b:f6:b6:ee:10:0b:58:71:58:cd:47:32:fb:96:c7 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): 03:02:40:2b:f6:b6:ee:10:0b:58:71:58:cd:47:32:fb:96:c7
Serial Number (int): 262102721393583733384887458172816185857735
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a3:ed:62:64:51:57:a5:21:78:d3:d3:eb:c2:4a:c9:23:b7:84:37:a5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 65:23:92:48:4a:d0:9f:43:95:c9:a6:96:41:70:c7:18:47:88:df:08
Fingerprint (sha256): 65:ca:1f:a7:4b:76:fa:59:d7:4c:d2:76:26:8c:68:8d:49:a3:97:ce:2c:1e:51:17:97:48:7e:d7:de:05:ff:ef

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 262102721393583733384887458172816185857735
 . . . . . . . . [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 06:39:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-03 06:39:33 +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 865978382356368281642513548609849545359611364514793764001267194895228640864441757080949066343257528815344371943719941306936625947238103297042783610699727058997159085463622791862660901142783624501637271226668710082939430282575546383461534660723161273458298153621542718316026723355421982955749979557680369950490258400158942444965443008703508505571956586276488280871204886883586901837002175586844895002543945249964687961657966816859323455558339118978962147133985769525743790149442208942167862206249583445582556802852891985938756015617980100798840157464876084824613362683633936498054269295780881058089206420069289593820372237786661027639788865456886948508096158674284262325072370755223298663573325820144202387424762097869409929786343791088876687227400475575507126560477970108833655007687769197049071941208374665492898958628244074088457047348703886448766423517743428662349294200201977641634269105192011380242414815488133069576209780464110187108404002176986296687844543575300006331289463207771763726885201617670423441398742843070576402809921855481063756597848193550964277107402113194467327561188054586841786812162818049880349956774393475608566483036498205505886044542356370280516774417533617389077365745178790161164246979087480660004025683
 . . . . . . . . . . . . . . . . . . . . [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)
							a3ed62645157a52178d3d3ebc24ac923b78437a5
 . . . . . . . . . . . . . . . . [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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