nostavebni.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fa:cf:11:8a:5b:40:1f:ba:b1:ac:66:28:9b:82:47:4c: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=nostavebni.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fa:cf:11:8a:5b:40:1f:ba:b1:ac:66:28:9b:82:47:4c:67
Serial Number (int): 346682690795891561975171332985162765388903
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:28:b5:d7:e8:29:81:57:26:4d:3b:35:18:81:24:0e:bc:8d:de:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e7:d4:2a:87:35:6a:0a:6a:19:91:b7:c5:b4:2a:c9:a6:4f:6b:ef:85
Fingerprint (sha256): a0:c6:98:d6:be:9d:41:19:f3:5f:86:c1:29:d8:3f:6e:6f:80:ff:c3:5a:12:1c:9f:50:49:56:1a:09:a5:fd:21

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 nostavebni.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nostavebni.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

nostavebni.cz
www.nostavebni.cz

Other certificates including the domain name nostavebni.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for nostavebni.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 346682690795891561975171332985162765388903
 . . . . . . . . [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 2018-03-14 15:43:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-12 15:43:31 +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 'nostavebni.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 852494403622495346797580012977295878067770203895612559024239182210421033543369074929225476430176197134716700041072375430906714262866733096609831199392153752679688297002701703832491822833391408370825198917140229334870294016190098161389404456175449270227803892051585750006293131614337668312902997275254303715896350116020708938657048342152174602207636065726609300535737262165757100729864896256106203235460568319597944379004775823887099301466896850122879795778189116462995486449069334639823192053671258923777163854464148669748417153820160063319378140327449088943077255250968400716114208074633930201775791430293022755437409793429758903452578304596296096885099987499679521378466174990080321411008025182687876506556784270861872965800343642298974120084436326884444770738613813005297791715035426411585698799707995619036970475736661435064849023305947783711977710241066895124007790758021772242021925524471261578814863234283531084353695016646681274379339974706006273444011787261714094271827972009841452620993468835254187404843364415631180164579186613918200748155077634081924610279948363539156436042613442304336223615271094163036918551790322337776199411050060322920224427282375429290252481456646233903752326551664273657756330063333920128925565613
 . . . . . . . . . . . . . . . . . . . . [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)
							2c28b5d7e8298157264d3b351881240ebc8ddeb3
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nostavebni.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nostavebni.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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