jobfair.lu

Issued by R3

About this certificate

This digital certificate with serial number 03:11:47:b2:05:ae:0b:af:54:f4:e0:a5:39:d6:f6:4b:e6:d7 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=jobfair.lu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:11:47:b2:05:ae:0b:af:54:f4:e0:a5:39:d6:f6:4b:e6:d7
Serial Number (int): 267216957564679606639105907303505401210583
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:70:3c:89:4c:7e:7f:be:95:6a:82:36:99:44:ff:8a:fe:9f:8a:30
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9b:3b:53:7b:44:ba:0c:11:bd:17:26:8a:9a:72:29:55:57:f0:00:22
Fingerprint (sha256): 1b:a0:cd:1a:ea:34:60:5e:91:df:fc:35:54:17:4a:bc:b0:fc:f6:fb:3d:f6:11:af:10:62:33:f4:19:2e:33:ee

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate jobfair.lu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jobfair.lu

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.jobfair.lu
jobfair.lu

Other certificates including the domain name jobfair.lu

(limited to 100 certificates)
jobfair.lu
jobfair.lu
jobfair.lu
jobfair.lu

Certificate

The complete raw certificate details for jobfair.lu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAllYKCS8By/eqXvZU45kH
mCz/iccDO3SdHpSH3FqmFj4Yiy9Dw//hIGhe0W6xaCkLr2zlBBj0pac3O3m5wzku
tbcoH4zjibQ6oaN3c2Eod+JhCM4xnLk71vhUL64JXKdcRANcBW59plXIDsXGK3rT
4AHNZz6TiK+4yO/REdXYmyL3swV4mZbpcaPWITfD4rJnvWFI/tz2TuPptb4H2ail
v38Q1RI03HnYD0xpWZ4J1OcPt5WRhAANQnH4zkrtj2i09KuqNuYe3GYEm4kRwKRe
CMX0fzYdQnQ6FTiLwtIgKs5HSpPl0JEyIW1GYK03tGo/SK/degCYf7MW0yVwV8XT
OQIDAQAB
-----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 267216957564679606639105907303505401210583
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-07 15:30:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-06 15:30:17 +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 'jobfair.lu'
 . . . . . . . . [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 18978173257021140568659531299947585182902521174662882712008056301974861745439486650060279578909253409116857726683249450002857851355460700492438311734777500118066859936477925007254574775789379212864205452894244368475410799455530696197955760285630144446227482410043042892761932609669892655443099514834335516569383197998441893242682099536585427636114725445053844703788056068196099568566941005382302938541088639548375445898826613226558673740906526299177736625734265713581173615669186788636966871530528824193850809162023018916704266948063332358442090719854998592062599474030868259447879710638239392650634855444690527179577
 . . . . . . . . . . . . . . . . . . . . [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)
							49703c894c7e7fbe956a82369944ff8afe9f8a30
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 '*.jobfair.lu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jobfair.lu'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ce4c2c36600000403004730450220762b2c8d225c3a2babf8df95e7a787cb778af4c76840ba0ef22a001cb51aaef8022100fcc6b93f8b21c0a7a8c52f955debb7063a4d99ed460c9f5d73240346163682aa00770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce4c2c5520000040300483046022100e777101a177d06207a2c590f9cb1e5c8e1a7523f7ebd806535fd7446910bd870022100df81d12bb1a095adfdaf799961528d75e4a8a99393faf11a7e451a8e09fa523f
 . . . . [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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