www.perfektnipradlo.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:98:2d:f2:cf:b8:8e:e3:b4:b3:25:9a:14:4b:af:4a:66:46 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): 03:98:2d:f2:cf:b8:8e:e3:b4:b3:25:9a:14:4b:af:4a:66:46
Serial Number (int): 313120853575994465038278157536096982558278
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:d3:47:da:64:74:3e:fd:75:0e:c4:03:23:1e:ba:ef:4a:92:27:80
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:a1:a0:f1:ab:7e:b2:d5:0f:54:53:48:72:61:f1:0f:b4:9e:74:14
Fingerprint (sha256): 0e:26:2f:fc:79:28:04:4f:2b:99:9f:9f:49:2e:ac:7b:d4:d0:f8:24:4d:0a:c5:90:59:64:a0:7d:e1:7c:8f:ad

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.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

perfektnipradlo.cz
www.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.perfektnipradlo.cz
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www.perfektnipradlo.cz
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perfektnipradlo.cz
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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
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www.simplia.cz
www.simplia.cz
www.simplie.cz
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvY1FaXafz0rudzcpNwEZ
XTWQy6kChcP3NU6xB58XalVXmI9pQH33mENf8Gk6AHljcPMzajcci+pn9cjD6z2S
Nrh7gFr/2XMY/+4pwItrGIazdPRtE/52H3bPs7YbOTSqqOsxrbmM4rDxjOGCn0m9
Faxp3mE/3w88wG+oJE03+N7e2chGTetSjtVxIgmOZwrQkTI8+znF/3i3N2TxDEdi
yg1YZioOHCqeWI2zzC0jOtg+pZrErV90FuE2vDI0FC0fMstIGgs4vXLPucJVvNzd
zAbpeCCyeqS09zhUSkeWRHUaKGZpkSNbGekBhFZgNcueqpIuUDbPuVfLU/tRodw5
0QIDAQAB
-----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 313120853575994465038278157536096982558278
 . . . . . . . . [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 2017-06-18 01:48:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-16 01:48:00 +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 23928703034352695952499307571607205742679642056611030446308333232432568952187600128168985869891541484007617045059780912180906773310353743812879346178080320538996694080930312834683041531864683341611823625847312673821242748537665296405257927838565504715927589301254892823858556735365918819633771724061768603243918988017716221843345271289897316107470228958847458821179699649184748200493869611802318555186815775001615820158586582073812543083361115674771879702700931359374402125241749326109891638828260361977235682666131735612796098770413730265863234873694166871462575066206557915945383933101341066144942067079283149126097
 . . . . . . . . . . . . . . . . . . . . [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)
							f5d347da64743efd750ec403231ebaef4a922780
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'perfektnipradlo.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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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