appserv01.schooldatabeheer.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:d8:98:db:33:fe:46:ff:7b:99:2d:b1:4f:b0:dd:a1:d6:52 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:
  • 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=appserv01.schooldatabeheer.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d8:98:db:33:fe:46:ff:7b:99:2d:b1:4f:b0:dd:a1:d6:52
Serial Number (int): 422153315804883836909823091059239115937362
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ef:df:95:03:be:f4:36:90:e3:ed:b0:93:4e:d9:e0:bf:d5:66:1d:0d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a2:13:54:c4:41:68:29:71:34:ea:7a:f1:ca:58:35:5f:f0:fb:e5:e4
Fingerprint (sha256): 22:79:a2:2d:3e:d3:9f:dc:b7:c2:88:15:87:0d:ad:b1:fc:c2:3d:73:da:3c:9f:6c:89:0f:f7:ef:7e:5c:6d:38

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

Revocation information

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

Check the revocation status for certificate appserv01.schooldatabeheer.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for appserv01.schooldatabeheer.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

appserv01.schooldatabeheer.nl

Other certificates including the domain name schooldatabeheer.nl

(limited to 100 certificates)
acc.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl

Certificate

The complete raw certificate details for appserv01.schooldatabeheer.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+ZVm5/dsBaw9OhijfGfh
KUsRz5mYtX8Zp6vRmME+Zskd4GWM/T6CzpFFeITb2VlGDSq8IyIViuVl/me3Bm6b
mZr2ua5GYqhzlGKpIlC1BMjkYWQdkp19G3cFE6hsrAHvbyCPBuaaGGbZyZSZXtUY
WaED3DQQTN8rdjSM3kxgVYQeh67r46Ty/ZWzHqp4krkE779FIhOhYMkcnmsN4Dhv
vr0THEC0XVoq/yaGBBamBYIDlrpE6LHpPJacKwHmUI3l+aRh8GhJj+uKTgOY30sE
C2Auxvm69oLWIAGsMqREz18Dj05BLpzUyaFiQyao8/pmUPVZ6hbRSWrJITGFJJ+p
0QIDAQAB
-----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 422153315804883836909823091059239115937362
 . . . . . . . . [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 2024-01-02 03:18:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-01 03:18:46 +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 'appserv01.schooldatabeheer.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 31507010797246112224029534577614634318990473502940840134325487420121240964976619822623693801929818679099810953553023960897968602196279202836846661686030463289993299493264226380633209926304229339613690902839630764860191343231284029043675208622430904110397720791325311932313105171868133023057305908953406446474348254135068573435365624602107384933875757115656559364142747267805432768678739591618047034572863771553664423300346249539830635679495027901131582393556391622937269357261027561845828843864009997753496584327327820259132597166559174298067002072621643404166798449022907835893416288243042096621220271552911045011921
 . . . . . . . . . . . . . . . . . . . . [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)
							efdf9503bef43690e3edb0934ed9e0bfd5661d0d
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'appserv01.schooldatabeheer.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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cc86540c8000004030046304402205b009cc3acb4db892690e536c37dca8ecdb17e2f2949a2cdc566de31ce09513a02205c82fd2a8e404266b540de7529a2fa1e4be77455c4457a898b5320e0ac8d19b90077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cc86542ba000004030048304602210080828c3d911b201e2daf744c62b5e9e4376a6fced182f92aea1c1f3f66a195b5022100e5803445fcf0b661220139b30e4ff69a96f080469f09fd0cd7171a9c137d1b39
 . . . . [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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