edu.hrdantwerp.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:88:1b:5b:b6:bc:6f:31:07:43:a7:a9:33:c8:37:42:c9:23 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): 03:88:1b:5b:b6:bc:6f:31:07:43:a7:a9:33:c8:37:42:c9:23
Serial Number (int): 307651625057756544893818865706992467626275
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:ef:9c:45:b0:b7:58:39:10:a1:d7:09:c0:d8:bd:5b:a2:10:f6:fb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d7:2f:2b:ce:14:bd:4c:ea:df:61:6c:a1:fe:63:f2:9e:05:84:be:fe
Fingerprint (sha256): f9:ac:a1:3c:05:8e:85:30:83:1c:37:0b:dc:70:c2:a1:c7:06:c3:ab:53:ce:a8:d1:f3:76:c3:64:12:e1:1e:c3

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 307651625057756544893818865706992467626275
 . . . . . . . . [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 2018-01-29 17:24:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-29 17:24:15 +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 816580637128133543730293248192129985797076523682186707757726855967782441802464883988843624969053198983917370907311951537723410772845118505188443245946444741335510601257203485248735819793756726812077722687977280291762583325537481114781930229587128796911056810396855468403664851636657559686182276153275854061477716392345651629895265455812651382435350683331162679223347849088627343056087167978394784482940680930116315467071345190869843508444989627455031493705585620589660215641300811935353441189014208089708577095973159947513678475436172604630047120798131598132883643859764492580751509486615016398022728193404843124730653970870126167859592108416146908546483979945085968012776051388518948247461739054315046783349609425161140915834262167858287172705998813372552826747359639434669374839463195794189717759707003594768534741638406955776235785602953715918798474845525802511478778296313307952238967484541302519375780624644089695851871502401614456493685476857224377483483439535385799485151395691465684373878857571861069131081495757604354025683509811698465634705059186417226585299290434610688498072227189001410430570949771553384583261539641640931825440358107128536579603125938154226932835937776207756183616838958531285890572899887437428020078317
 . . . . . . . . . . . . . . . . . . . . [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)
							93ef9c45b0b7583910a1d709c0d8bd5ba210f6fb
 . . . . . . . . . . . . . . . . [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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