appserv01.schooldatabeheer.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:55:3d:ed:41:aa:43:c9:98:34:5d:48:8d:28:14:3f:75:e3 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=appserv01.schooldatabeheer.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:55:3d:ed:41:aa:43:c9:98:34:5d:48:8d:28:14:3f:75:e3
Serial Number (int): 290343173797505253029950579570813989516771
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:2e:17:ad:f8:ef:95:48:f1:21:d7:4e:76:f2:8f:c2:62:5b:4f:e9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 02:62:5f:e0:ba:b6:5e:a8:84:d6:d3:6a:62:4e:e7:ba:f0:4e:fd:c5
Fingerprint (sha256): d6:1e:7f:47:1b:5e:c6:11:e7:5f:23:e8:82:ed:e8:34:24:ce:c3:d2:c2:33:01:96:fc:78:6c:7b:b8:6d:b9:2a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtbUgrcRyTyR6y9tLuNXw
SUvEL/mwpW95KzV0efBPTA6aI+zlNfUmZEvPYsYBVcR2FFOAhWWAv+cxuOEJ+R/E
ERnu0Bh3Z0kTMxkbu6ALEaVbEdWMPqsHNeJj1Q871TXPUIQ9t9OP1oG5b4qX9cbU
DMqthzF1PhCY5kuPBfcECLWY7+bfjC1+/wWooCH38FrytsAczMFIwwpP/TnbvrKP
PWxBHRlVw1F8Wl6ciU2s1Z4OQY1efkEN7JKHT0eYWozcimcdBnBNUFU3fIU9AfdG
xuYXHhtZ5kSSEWO5K87bLM3RZyFJ1393NFC40hp3XiPNZuk1oLzcl1mqKCDoS3Pw
YwIDAQAB
-----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 290343173797505253029950579570813989516771
 . . . . . . . . [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 2022-09-08 02:21:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-07 02:21:00 +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 22938450572705328882248203134569298131274091926859769926062427574420930301046801620346733864714864247544804787755698634646528974026148466548294777296823918302700030030929853948347073547897313815462842429278216318828327365010826433283835175810349104178528789869752467040866831015038770846137879175186931455050829597123878191344764475850195201590751085713596080602920719434916674342425345622930332337950209128090428990654181185140916949275838042016534174565118277841194722548360723391643489162065338154002145628277620082682109212295368635071125170582429802238829358630314287716860179983805464903654394783385685054451811
 . . . . . . . . . . . . . . . . . . . . [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)
							b72e17adf8ef9548f121d74e76f28fc2625b4fe9
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000750041c8cab1df22464a10c6a13a0942875e4e318b1b03ebeb4bc768f090629606f6000001831b1d801e0000040300463044022049b3e3ef5a3060dd790225ea0033e40d1556e5dc5427cd8d08a70a30324189b202207b5d71988f5798ce2ef21e3510f25b246b165a0c6d148523b2986824164bba7600770046a555eb75fa912030b5a28969f4f37d112c4174befd49b885abf2fc70fe6d47000001831b1d80200000040300483046022100a8ef541af37a2e43fd6058bb0a2103a501f0a4ace2f110b6edfd4df689ea0f88022100cdf8ca437c0efe9ce12ed1d57cae050fdfd826305f5cae293647ef311ece8020
 . . . . [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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