detechniekschool.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:bb:9c:88:f2:25:10:e3:6d:77:4e:c8:48:c0:93:e3:22:b8 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=detechniekschool.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bb:9c:88:f2:25:10:e3:6d:77:4e:c8:48:c0:93:e3:22:b8
Serial Number (int): 412290016972251479666866126821779021439672
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2e:a4:23:44:54:f8:e7:9d:c8:d3:97:e2:d7:18:fc:5c:9a:b7:06:3f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ef:d6:18:a6:3a:f3:6f:95:1b:cf:89:36:fb:52:ab:a3:7d:ae:cb:71
Fingerprint (sha256): 46:56:86:83:2f:8c:87:9f:af:6b:ca:b3:05:37:b9:bc:25:0a:91:21:17:56:ba:1d:f8:eb:d8:0e:bd:40:57:2c

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

Revocation information

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

Check the revocation status for certificate detechniekschool.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for detechniekschool.nl

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

detechniekschool.nl
www.detechniekschool.nl

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Certificate

The complete raw certificate details for detechniekschool.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvuL6VYReTK9bd9f9tRSW
HczVbZxsjvtPmRQsjKKhCrb+u9B4PpP6e2P5fNMf7FUCELBubz4PPlXnZr42RsIF
UlP5gHmh8vKZEEy9RBkDdunCjYVsffvUb7ipziwXKn7qyc6sp3hWUFZ3vsu3mY4x
76QwoGy8kVPk7ZPh2PhXbUjIR2TRpIjvTknxv+0zOJXwNDt+QJU2B1isozzNFGe1
6GQZ5/I/PsVYipj0l2jCyaz5VrdxW7Oc6cybAexUTL7OnUu2PXjOX3ArfxCNUjGV
uE1hoaMwM6eySUxc5UiIsLaES8ZctrXsFnkq8PPaOMlJ2i4yWrwTZL5qoq2Vgs/m
tQIDAQAB
-----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 412290016972251479666866126821779021439672
 . . . . . . . . [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 2024-01-26 04:09:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-25 04:09:07 +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 'detechniekschool.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24097204901534440670196867752132023814416919820489295253466922145539239572657790773620756339073004935388263788421593320736321904685843553375922180156771126919493273236323270508741794706952912198508344000687163563954596201289184353379085384943901510235928435430125087468638100418830006132659433323599339587293334891369817709523338452660720708424611651905422493901941479877749829342424561479816149353843694244574381989547027121545820705786461140459348404229388374395401496943800927185469321069819850495197501501030303514429608301307181960008125482780598903297792778238290835693854017562986349312930245225055670231885493
 . . . . . . . . . . . . . . . . . . . . [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)
							2ea4234454f8e79dc8d397e2d718fc5c9ab7063f
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'detechniekschool.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.detechniekschool.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d442bf75f00000403004730450220466ab99bf5ce4397eed0fd4e928095e50d73f84bc4d3e5ea896e2b0f0b1a60d9022100ada69410e3ba532542728d1fa4065996f2704ced1708924f2d43d80307f3d0ec00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d442bf76b000004030047304502206e7ce48b3bf33cc56015e537031bf81e92684aa4f1d8dd6e0a9d7371975069d6022100fbb0af4e5f045224ea0ec7bc9a8499aeded53ca9ef5b351c812ccd216326356d
 . . . . [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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