kentec.fr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ab:a5:68:7c:bd:6a:17:e7:91:8f:2e:24:a8:31:aa:d3:09 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:ab:a5:68:7c:bd:6a:17:e7:91:8f:2e:24:a8:31:aa:d3:09
Serial Number (int): 319745007686964763811101010461066745533193
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 19:05:b3:81:8b:29:9b:a7:9d:52:bf:3c:a3:10:aa:0c:e4:b6:17:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 88:d8:de:8c:15:2f:9b:23:5b:f0:0d:10:cb:82:2d:31:41:15:61:5d
Fingerprint (sha256): 76:48:00:f5:0a:b2:b6:bf:fa:dc:c7:4b:92:01:e4:c1:f8:29:5d:13:e0:1a:24:c3:fd:27:a1:c9:19:e8:31:8f

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 319745007686964763811101010461066745533193
 . . . . . . . . [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 2016-07-28 14:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-26 14:08:00 +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 827257928243821684402052319829351187296370843882793776314681112870371261333546631650328187673609815899847881597108300646734439304557868247201079185123418369349203450261140067066595463788752707670256854430905665210855362624610868874816277970608206821699018332324771551021137268804183825484908472555444040741481747180610556987564099902201020972414800470198937745337839989259727235664151534522901896257250719762506218578595521843425888960873299889708470052864439816140346173323134701230421150953356407644500790025992797454678144096458260779347568517605052952673245005588192907970735748467717468761697441292461500385384419463780343472701860159642446814484170402273111453742551115806045553832449829707816637667123771699182149655703249560350268129192973301748846261453839448764589715632289600015198296566396417237892013744913021696902206033229667786128034826824796118979402739683298346970203099662275344839987610163181694972405141487180773520687937227640920725198686265011770523979609371514357892618074539010852838328606633685247370503054401461074913580624123507180368804466773083225904600649573295187271866913443363727524580856838749025595320727157875048155790996287385481366804878838810371636466028558871925700447443138231655989630154357
 . . . . . . . . . . . . . . . . . . . . [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)
							1905b3818b299ba79d52bf3ca310aa0ce4b617c8
 . . . . . . . . . . . . . . . . [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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