www.kncar.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:b8:d1:1d:82:c3:4b:97:67:2d:31:d4:f6:9b:c3:bc:9b:72 was issued on by Let's Encrypt.

With 6 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.kncar.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b8:d1:1d:82:c3:4b:97:67:2d:31:d4:f6:9b:c3:bc:9b:72
Serial Number (int): 324226775188647496720342254952921125657458
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 77:26:74:1b:83:f7:85:ef:90:23:76:62:e6:7a:12:31:2b:02:60:95
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 03:b6:cb:26:1e:1c:a1:16:cd:b2:cb:45:49:16:44:26:df:f6:b7:16
Fingerprint (sha256): 1c:7e:67:04:77:a1:58:39:9c:fa:e8:85:87:49:d7:bf:ae:a1:67:b3:e2:05:52:cd:2a:80:4c:00:8f:ed:7f:f9

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.kncar.cz

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kncar.cz

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

autocentrumnevecom.cz
autocentrumnevecom.dacia.cz
autocentrumnevecom.renault.cz
kncar.cz
www.autocentrumnevecom.cz
www.kncar.cz

Other certificates including the domain name kncar.cz

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

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEkmmS1afdwatbw1dPSBcaaU4qIxh4ozSc
JyUbEMmijCtkook67EwNieQX162D9PmpzyNM0pIJd9s2qvy8GYQanVldTTnnuDgX
QkWt01y0ECYXF10xkItIiprClHm7vsG6
-----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 324226775188647496720342254952921125657458
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-08 08:26:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-07 08:26:32 +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.kncar.cz'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				0004926992d5a7ddc1ab5bc3574f48171a694e2a231878a3349c27251b10c9a28c2b64a2893aec4c0d89e417d7ad83f4f9a9cf234cd2920977db36aafcbc19841a9d595d4d39e7b838174245add35cb4102617175d31908b488a9ac29479bbbec1ba
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							7726741b83f785ef90237662e67a12312b026095
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (137 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autocentrumnevecom.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autocentrumnevecom.dacia.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autocentrumnevecom.renault.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kncar.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.autocentrumnevecom.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kncar.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a741d550a00000403004630440220514ce4a3c4f23e197785715704a4d0b76d7300bcaf5324d9232724817726192502207179c17ee657b55466491c543b6a13bc84a81d01db5ee9d703fa4bdb5526b8820077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a741d55160000040300483046022100b960da1a783228144c2873543f70e70b7ca2788be4584300c677d66787888aab022100b1afe5633024f67157d30cd779fb83670d7279c6699a11ee3b20f7515729405b
 . . . . [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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