www.primocar.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cf:93:d0:b7:56:81:12:e5:72:a1:ce:b2:05:ba:0f:49:67 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=www.primocar.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cf:93:d0:b7:56:81:12:e5:72:a1:ce:b2:05:ba:0f:49:67
Serial Number (int): 331971787979576485609204476273428718897511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: eb:ab:ed:6f:7c:c1:ea:3d:27:2c:88:7d:29:07:fe:d4:d3:0d:4a:62
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 04:9b:d0:73:c5:e0:ea:a1:a7:bc:70:a7:04:71:6b:5f:b2:d8:d2:44
Fingerprint (sha256): 72:52:97:1b:45:8c:63:53:44:ac:b8:a0:27:aa:08:7d:41:3b:2b:c6:61:82:03:39:db:6e:26:d9:3d:eb:ec:e4

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-----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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 331971787979576485609204476273428718897511
 . . . . . . . . [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 06:21:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-27 06:21:12 +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 935029948090078131433353608449046790287345000515488189751176987319435348959444909476267615037594671355712156520141611158482100574737101303534188121286547112239191216552621439738227967613923008410181850046125878229271266508016827057266816568555492705559898827992898622161162146104641734184253543184670130482106411995341095661436218875102751573176751835878038816368710513803823732682164714536807564981224964862757913743746240318554456524420973271775107881796174208136640412076317536351038548146888481333437694385966631812693402867351941000123854539950607445445107887141205167416228724028322545790047504578954772853423672595681084087185797553959699483876878562745642594224057588876639906753924649116687651739190688666819658414582027938973769155730509046647478857438385787524446013287927895278399452686030243814124671915827034929285310828299916162031949724243693036551864007010478030781081151161286851730364860046471017819575429770820751996511058752038745354152103792319398476554439976824067236889412306762902084587712820429030442551151065975194321461670711541276184673054995480402917808008514747405003405464148652816457370019265768633846064920623179992056404717612145832559398162510179228980559034037000312487358749332693670188424546813
 . . . . . . . . . . . . . . . . . . . . [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)
							ebabed6f7cc1ea3d272c887d2907fed4d30d4a62
 . . . . . . . . . . . . . . . . [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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