kentec.fr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:39:a1:a8:d6:d9:1a:02:49:84:03:6e:19:53:b6:e0:c3:2a 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=kentec.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:39:a1:a8:d6:d9:1a:02:49:84:03:6e:19:53:b6:e0:c3:2a
Serial Number (int): 280947835080604053486190954004943879586602
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 06:8c:bb:df:81:61:a1:fd:c2:3a:d1:7d:af:7a:45:a4:87:cd:bc:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fd:77:e4:30:7d:d9:39:88:48:fe:f5:6d:98:2a:75:1e:c4:87:9b:36
Fingerprint (sha256): f3:58:d7:cf:6c:c5:18:74:d6:ab:74:8f:b8:b1:0b:6b:d8:41:90:21:df:3a:5c:9f:2a:50:50:99:e2:3c:73:2f

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 kentec.fr

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kentec.fr

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

kentec.fr
www.kentec.fr

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Certificate

The complete raw certificate details for kentec.fr 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 280947835080604053486190954004943879586602
 . . . . . . . . [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 2016-05-06 18:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-04 18:47:00 +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 'kentec.fr'
 . . . . . . . . [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 700623253681994352903013417810257126990911988772454979180254721848900455867173021327237939562150737581097134448449213222816747051369756136773096523731928065893467821748068351433270242924486884272008746465669892430279771019942262143616225384567449388075024854331491282481197538247935120528800599840347758210777756704419456191973049218356417355219117784363409399001472654602980083181865459609071180005763503196105640744758352074778696522048439996441379279165875606556035700911674750809000472638453004529305146122133286420494674331143533425959168567852029260969940370704640443367988861992497693112683192564761041969125522964659145293073923776766729365324332844603144019421425337758794069142947912559923234597690826856534599746812461721180287817227289745438952728482455534205114855823677088883212217995932082414986444812685655818494661939070761805022455584785559463162274534375683774180272548605786814716454334278493723638581896496073973519306264907706885269986046276551273116624508816939069817490853583973952930845818618799820599730782535851553562265037372138411597719641630313892997754940377137420913944692640369470151481631468528379076630226043499140830653714975289013821511693510564057451477436953453952629185470089536053963421373767
 . . . . . . . . . . . . . . . . . . . . [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)
							068cbbdf8161a1fdc23ad17daf7a45a487cdbc01
 . . . . . . . . . . . . . . . . [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-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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kentec.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kentec.fr'
 . . . . . . . . . . . . . . . . [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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