mail.leenux.fr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4e:62:9e:3e:8e:7c:e1:38:ac:50:55:da:31:0c:0a:d2:64 was issued on by Let's Encrypt.

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)

mail.leenux.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4e:62:9e:3e:8e:7c:e1:38:ac:50:55:da:31:0c:0a:d2:64
Serial Number (int): 288009968410402953268912312894880819630692
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fa:52:80:2f:aa:1c:3c:6d:8d:4a:3c:14:7e:b3:dd:6f:c9:ee:5a:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fe:31:9f:c6:78:c9:27:b0:63:c8:9d:60:48:3e:85:49:53:bc:1b:44
Fingerprint (sha256): 00:18:d7:59:f3:11:75:d3:b7:5c:d7:2d:48:15:41:eb:1c:8a:5e:84:33:c7:8e:c3:64:cc:4c:6b:f0:64:a2:c1

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 mail.leenux.fr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.leenux.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

mail.leenux.fr

Certificate

The complete raw certificate details for mail.leenux.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 288009968410402953268912312894880819630692
 . . . . . . . . [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 2017-04-12 06:17:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-11 06:17:00 +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 'mail.leenux.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 763836790597310677977649067072452621112735135563084714584980103316148330510740669451762241021551014258559305148346990676800154334977367429239102880937512032607568877884691497393230403133610061491126426004775139491696696634899761214125813530791913423721382798310197294014911932418762204896896198589368753077736781549836510578710547762025475069340670177484594957438526758259484656542176768459517339130123520113928618920953969302428571057411083266916307300255135628966483114630689621323463968814392678222999074870107337872502681481076317530013318005523833608752584477522252691064388359787381508211697543673502867317317605995849974109214113629222905711539718488118369271932249718883706364105468710641796583060311542658953554413297036459518261178898877019652858777439268522922208075627942490899296574367507554761101659519350801429656498980761688932402650306119481454177143948741469086194362880100621757054002480708778334356369537097784391815720299203669890705249457475898091735456777865165723727661964445052445612205468385387558229273340106552654508631764428170805277444645780721339000885432676836635530473002322324426344079652268458783877413308249633309639902447359671620758236055421876286617892060593841563392330423737631983387730014601
 . . . . . . . . . . . . . . . . . . . . [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)
							fa52802faa1c3c6d8d4a3c147eb3dd6fc9ee5aa2
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.leenux.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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