www.perfektnipradlo.cz

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:59:91:8d:1f:dc:45:30:d2:7b:2a:47:d9:fb:9e:63:2e:19 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.perfektnipradlo.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:59:91:8d:1f:dc:45:30:d2:7b:2a:47:d9:fb:9e:63:2e:19
Serial Number (int): 117590887407175943061556823679609384152601
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 96:2a:32:43:fb:96:c0:e4:fe:e2:bd:2f:ca:38:20:5d:cd:44:7d:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a2:a7:96:e1:99:12:ff:2f:d4:21:fc:81:63:a9:af:e0:ca:27:f3:61
Fingerprint (sha256): 10:2b:69:92:ad:01:1e:e8:33:97:45:59:bf:51:a6:94:c4:36:28:bd:ca:6c:68:d3:1c:dd:b9:4f:24:f8:99:6c

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate www.perfektnipradlo.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.perfektnipradlo.cz

Public Key Algorithm

RSA

Key Size

2048

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

www.perfektnipradlo.cz
perfektnipradlo.cz

Other certificates including the domain name perfektnipradlo.cz

(limited to 100 certificates)
www.24-lekarna.cz
www.simplia.cz
www.simplie.cz
www.perfektnipradlo.cz
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www.simplie.cz
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perfektnipradlo.cz
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www.simplia.cz
www.simplie.cz
www.simplia.cz
www.perfektnipradlo.cz
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www.simplia.cz
www.simplia.cz
www.simplia.cz
www.perfektnipradlo.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.perfektnipradlo.cz
www.simplie.cz
www.perfektnipradlo.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.perfektnipradlo.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplie.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.perfektnipradlo.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.perfektnipradlo.cz
perfektnipradlo.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
perfektnipradlo.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr7X9bvunFzF0LWn2OdVN
1amhiJSUtcJkZ2ZZ5JleVKxIblXWAeKEsHZT1mIhooi67kLBZQVIyLxdCKDgtcII
XvLcvv52jOZJx0LT0V4uip9fsoAXG7NlFtHQZlguLMasF+YJvw9OYVH7b3Hv+8gT
B+c4EUyMuPzbga/YLkCMUaN3Mb9V1k+qKTsy6wx5bgj2bvZk/nkY3n9btZ1DtSG7
80c8K4N05Un70fcSAUqN+6q9sKPqYk0fijdxzLSxwqCuPQEgIqCWzF5AtTBSOuye
HnM8NLmey+OLC6MF/ZcerLtmi844c2TQXsaePCi6/+c7r5gh7ZFjZr3ov08+Qiz0
xwIDAQAB
-----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 117590887407175943061556823679609384152601
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-06 08:39:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-05 08:39:00 +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.perfektnipradlo.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22181445970345503425307390031773703238245520227926189663650510020875500708395341222721347828456252086559642977948701910563593194421644130760849136388500376740825656530167084885553045411937952914332097896291527537504042098907376125764087020670966208522769125268381029028437572701364865896164905831553957762446220201209251600640670241535326455634357134905619376442716723934059542515624058669076898042155179678141438173442802832753577074973305579190815411008371937754487293229931708990308384503019507752207285917408374825614911412203405299648812967903673356779983358058189104490741988689474613187360139471969904575182023
 . . . . . . . . . . . . . . . . . . . . [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)
							962a3243fb96c0e4fee2bd2fca38205dcd447dd0
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.perfektnipradlo.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'perfektnipradlo.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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