immatrix.be

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:19:50:c7:b7:9a:ef:a1:ad:0f:32:f2:d0:bb:9a:25:18:fb 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=immatrix.be

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:19:50:c7:b7:9a:ef:a1:ad:0f:32:f2:d0:bb:9a:25:18:fb
Serial Number (int): 269951292198998100094092874749163927312635
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:d4:72:e2:67:67:dc:0f:e2:3a:39:f0:96:43:f8:fe:52:b8:10:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 47:cc:8e:7c:16:8c:cb:fc:4f:10:90:13:ce:e6:71:d8:c4:0e:ee:e4
Fingerprint (sha256): 9c:5c:b9:61:0a:01:f2:d6:22:8e:46:54:20:24:2f:a8:9d:d0:ca:3f:de:93:20:70:f3:ab:a7:3b:ce:78:3d:74

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 immatrix.be

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for immatrix.be

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

immatrix.be
www.immatrix.be

Other certificates including the domain name immatrix.be

(limited to 100 certificates)

Certificate

The complete raw certificate details for immatrix.be 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 269951292198998100094092874749163927312635
 . . . . . . . . [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 2017-06-29 11:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-27 11:03:00 +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 'immatrix.be'
 . . . . . . . . [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 601986466507006356292769554750601798357039335889071469639243955149747323935139975649023438055679815568826468908069873307601835422543835751447836589450285612702222128826908230279854305281224957718645472024457976210055703501840020444683928054559330433083075114021583578074878259200098331812528968724135559143682793846663858215896386268266910130880329451920427057772418987741637298817798506585259040970598968535839508803991014568840915293599462813513900120535126994443157049793497471690396484191683107467507875273753406664517224825738979805844607974798228443359513361395355447425377705686385110539833390430865774267849364758471772074194346074802245748030038605208081185676850028839580457997887248951775014365547017412947976614743104455703426730960410059654654414803530864114149629560941000115260190315099469662013639450901864189950929649125024010438670079702762292610871116055894303048288139238321785900754381226000891370963650551031708374679248368920500730307117516195109861019896012955870648359189288635890372290627334270513341687179311741194445456729356220349503199987407567708847118077215458379822611551005857902377181214156353386377965618669966658556609819174090823702979021674792561451938399564391161962541348366025071954152755343
 . . . . . . . . . . . . . . . . . . . . [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)
							b7d472e26767dc0fe23a39f09643f8fe52b810de
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'immatrix.be'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.immatrix.be'
 . . . . . . . . . . . . . . . . [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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