www.daciacentrum.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:14:dc:f9:43:5a:e8:65:d6:77:38:84:93:59:b2:c8:44:49 was issued on by Let's Encrypt.

With 4 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.daciacentrum.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:14:dc:f9:43:5a:e8:65:d6:77:38:84:93:59:b2:c8:44:49
Serial Number (int): 268436229540813867580775236645308611445833
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:1a:f4:be:f7:80:c3:90:40:d2:9a:de:e3:fc:c7:cf:57:7c:fb:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ed:60:79:0d:ab:ed:2d:01:07:cf:98:60:22:f7:23:d5:1a:7e:2b:68
Fingerprint (sha256): 47:c1:7b:16:ad:f5:7e:2d:38:cc:9e:b9:39:c2:07:88:42:5b:a9:85:de:e7:bd:0d:6f:26:9c:c0:fd:f4:b8:9e

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.daciacentrum.cz

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.daciacentrum.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

daciacentrum.cz
daciapruhonice.cz
renaultpruhonice.cz
www.daciacentrum.cz

Other certificates including the domain name daciacentrum.cz

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvKL6guS75QJBTEd1cXZz
y/5VCoHv1TnRlrS7pbPhHcLpvEuEYLAn5mhXC1ToIzr5Jstf5UJlFVPDb4noH+d3
rhua0hdj0/f4/MAHTKclByz/g8deJhkIcxtlWc58L9BkiP8DNW1QzrLAxqiHpMAu
moM+4jBIPxvzn4hIJ0KS/uoT4cgcCnuYZhjUM6HJ2N1uhdYFktWij6qn5LV6UD+d
+XVKXf9jMILzrF9LF0ytemvtwt/W8lIjxJ7u3hN4tOOgvZhfFgiftBJ/X8mXoBVc
uUzKSp2D6n/AqPc+86aDzO9hUob7PFR+PgVnXxnolqwtgIX2QVDLRZmm0bIzc98v
Okqoh9EuSFz7AWc6QKfI8gyxTgesMywJS7TYYJehINHhZ6QUCAhuBeP9QPb9FlMz
BKmY6EM3i7sibirvzta0Tqo2iFoOhb7r5pi8dCzvduQhuKqIqwLsc1BvdWOhcE8r
0WLLkQltB1cpgK50HoNejk7gDsqj4iCVCVkjtKndm5zXSPTJQMbx9k6Y6BdAR+te
19H+TyiAgxkTgQCsVnnpQT0YTTRzsGyFwY+La5OnGVgnOS6BVTP08021rrCNYUIl
Z/jfdZE4qaXWSk2n6o6qYdEfOnkptaZcQHjqHGlAlN+QxvvQsNDlWGr5fATXIu/x
zhxK9n2nVYaAnDt+3pdktN0CAwEAAQ==
-----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 268436229540813867580775236645308611445833
 . . . . . . . . [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 06:31:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-03 06:31:38 +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.daciacentrum.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 769570328985461121221375903160715348325920707804234369780085182779594377724879781240798480151430980849009788771373516678149652498251365953321855519467194086718393801968864957249202183878049763143947695328152694190158764993489261805784566126234825518588975774858781780139372049776451717433004581431623917995362660677331189455435886149055221867023650720427394194338433188702197344628176780439927521747634072412544607260962265807968800408031696655716532084717172254882656607954833647704151824268726429837810909913743847700677599094634474039693693377550424132146829950807300679778699655830255642860669799681472516016805908439592873233692726022672898231370690357639676230811393373708836050204694054635789766924770904580197952609072625192192493335195516752590670590457760696121261926091277933424917307488049663246821772596946548063902268279059020737521047208396346838588480314389594063304413738435234948037560559634711581388328090674769347913454707678141359818141594176873163458539265274450795309247572731490696021630971753050053638195286721070048197292131553687732238259919567348513901619430932898081684842460930344485852963849090158092294070014546422717766166262071104894077488025595625314183951007395079059126619795909736735091852621021
 . . . . . . . . . . . . . . . . . . . . [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)
							f51af4bef780c39040d29adee3fcc7cf577cfb75
 . . . . . . . . . . . . . . . . [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 (80 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daciacentrum.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daciapruhonice.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'renaultpruhonice.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.daciacentrum.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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