www.edubas.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:84:2a:d7:3f:47:b0:aa:b0:09:27:19:cc:5e:c0:1b:fc:44 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=www.edubas.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:84:2a:d7:3f:47:b0:aa:b0:09:27:19:cc:5e:c0:1b:fc:44
Serial Number (int): 393423361363724095497254375230710484827204
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 82:36:53:de:9b:a1:ef:1a:bc:31:b0:42:7e:d8:c6:6c:a1:d0:36:26
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:7c:bc:dd:af:c0:33:64:4c:5f:3a:5e:f1:63:b4:21:74:33:c8:2f
Fingerprint (sha256): 15:68:e7:bc:d0:59:2e:f4:15:ad:e8:9c:11:b2:db:27:10:c9:58:79:46:ef:48:56:d4:c3:5f:2e:57:90:c8:8d

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

Revocation information

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

Check the revocation status for certificate www.edubas.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.edubas.nl

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

edubas.nl
www.edubas.nl

Other certificates including the domain name edubas.nl

(limited to 100 certificates)
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl
www.edubas.nl

Certificate

The complete raw certificate details for www.edubas.nl 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 393423361363724095497254375230710484827204
 . . . . . . . . [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 2023-12-27 07:55:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-26 07:55:09 +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 'www.edubas.nl'
 . . . . . . . . [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 845528395307144321010192709653074832047068262462805301258627928614167530820961571923081958264990042119791398548182673369665310903394415166539387742950662428438807874102573234320237025726881226604781795075656676699684696205450491170168327629125907480865863463536228567045620684912875420302366350005836403654959943720534302654210932099635617044451908067746037744076951509295572910724995057112825493512598424687261184178923888225033024279317513334184242238164837950145631863461803245888927178390449236016622522900345213759439861835605395676446572500551921811247253750579325010742483888377205273460034463587012448367593485926881483400362912604824188525756204206330035781937937507422547354717238857489138329900097577130816237967171760620462257303197842304966332037377241919354514900788541965066576557686620538567335885466590940894122956986210982669676394786315855527173037378303387951228718534564853162390306709024272291883283493359881102427659147158828204541803359794475421689436905054868278515197968486062549241524664167734348484236509571950703372231027318815189657174484208647002495539667080083790248248564385573049906765020666985078063588459505748509607501402348717485361434934755860139128715907279075180617381055354123303261804468127
 . . . . . . . . . . . . . . . . . . . . [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)
							823653de9ba1ef1abc31b0427ed8c66ca1d03626
 . . . . . . . . . . . . . . . . [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 'edubas.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.edubas.nl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018caa7c1fcb0000040300473045022100ebc87680ef0f6a3d5f9548a665a5743a72cc08e31be17a0d23212111d8f6ffc3022018578dfc64bdfc87a9350fa55cad3e1359444a92dc663d48306677c1a0841a5d00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018caa7c203d0000040300473045022100e90f5a2ea35e26622bb5bab028271452cc49174c705b2f9c9f05fa57c267785802205ac0588dc06118f57d07ef7dddb4b586d95419939949fca5cf3b0c54799a50ff
 . . . . [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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