edu.hrdantwerp.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:55:92:9f:c5:c9:5a:ee:ba:ad:07:22:1f:df:4b:aa:d1:d9 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)

Certificate Subject

CN=edu.hrdantwerp.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:55:92:9f:c5:c9:5a:ee:ba:ad:07:22:1f:df:4b:aa:d1:d9
Serial Number (int): 290455755857733308930822593577712351891929
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3d:11:c9:f8:03:24:49:50:40:8f:bb:cc:c5:dc:80:f6:41:a8:04:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:00:37:41:1f:83:f6:cb:65:71:d7:b9:18:1d:a6:cf:3f:23:49:d6
Fingerprint (sha256): f1:ad:fb:a2:85:e4:1d:a6:e0:be:96:db:ee:35:9c:4d:55:72:89:0e:ba:68:0d:6a:80:5c:05:b4:53:ae:1f:a6

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 edu.hrdantwerp.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for edu.hrdantwerp.com

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

edu.hrdantwerp.com

Other certificates including the domain name hrdantwerp.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for edu.hrdantwerp.com 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 290455755857733308930822593577712351891929
 . . . . . . . . [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 2018-02-05 17:24:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-06 17:24:16 +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 'edu.hrdantwerp.com'
 . . . . . . . . [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 923098825398200934344092335835190818292037149326280060166911979004999181265797867404256033849663728805362001179028807619200157509835350208158199807645404723063996766683185552354710943677183708202876707593771800271040035465243036322214622365127753194597254052821680940976970033211229794327124695955818812344741537516895252529512669668245253657600753066446335927408815249721126056653444487937523781264970809207453894970594790390984581391879261271807037678421912316829887505424893764680092170901519124752077773054273218150344166497562546518378252728247333830140010569928313122863755400434345958763525477805447419654126047954034931862134499979602281581741076967117744858766780434224877451006838646266445564777761139418077269652240428095972532252988025967737101666297481169445216005972842070857077377988296983339564159980939277080834509939288114334305117920619025056740698063532818313783472061330322013329516462913580202193562079157262630467542521974146166853230904420605999533489725775615058429608029900555082117585552130944743685381143633817692583030960701289028738894345898224946834979606662833366439510757396027441175624227878595979893279987494966508314251330714260272569322460612856860540179700686222726289746547347911980983557321921
 . . . . . . . . . . . . . . . . . . . . [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)
							3d11c9f803244950408fbbccc5dc80f641a80448
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'edu.hrdantwerp.com'
 . . . . . . . . . . . . . . . . [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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