acumulus.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:95:95:fa:d1:48:50:b6:04:3f:44:95:0a:d0:76:45:5d:25 was issued on by Let's Encrypt.

With 6 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=acumulus.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:95:95:fa:d1:48:50:b6:04:3f:44:95:0a:d0:76:45:5d:25
Serial Number (int): 399350573688600417524075795449425495940389
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 08:8a:f5:fa:e6:27:eb:b8:2f:40:3b:da:36:18:ea:6a:9f:14:81:b7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e5:3a:c9:1f:68:31:42:6c:49:64:c7:57:cf:e2:ba:23:53:66:80:de
Fingerprint (sha256): 0c:46:c2:d7:f8:b1:f2:f8:0d:c8:65:cc:13:ef:ab:cb:11:a2:e3:50:13:d5:94:96:ae:32:46:c5:f7:67:8e:ba

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

Revocation information

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

Check the revocation status for certificate acumulus.nl

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for acumulus.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

acumulus.nl
forum.acumulus.nl
m.acumulus.nl
m8.acumulus.nl
wiki.acumulus.nl
www.acumulus.nl

Other certificates including the domain name acumulus.nl

(limited to 100 certificates)
acumulus.nl
acumulus.nl
acumulus.nl
*.acumulus.nl
*.acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
*.acumulus.nl
acumulus.nl
*.acumulus.nl
*.acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl
acumulus.nl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkJEo9VPgXl/uWUOB8FyZ
LQPBF3pQ/BDcK+H7NPwuJPkIQXcJJ/gMFm5pJebFJiApueF53f4WU2ObU573fTXc
LSa8vZDsmdBmRmdBjgNWasdnphnHdXf7X/DqL1OPLwC0tXbBoQOBbqpuZnD7q2WH
XbpO9LFbm+EJt9kOfT+6oO4jY30IEgI/MwbK0y7DdFF3pOJLTTZuwwiRSQUebG+K
jszIoYPvbZwBtSH4PFsqrkguuYjEjnctChNUrNbbxCpprCinRjfZMuGwURfutPRF
3Yn49KC68aJiUKvZVls/jMzK8kvyUL2CchMGuD5kH75/uwx8PUkuEUhYRmQE1ON7
SwIDAQAB
-----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 399350573688600417524075795449425495940389
 . . . . . . . . [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 2023-10-19 00:22:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-17 00:22:03 +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 'acumulus.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 18249896975721999703032006227410804436446382814974984099763489431410338300000760477090362552707830280247962800485751814167199432246692355071214065181391825270991191801072478320932724672509524783414189577786454430045468510715268898049219969240210512162752303353211083913022121533400381899647360318454945500420434632632997031293628748902750529755209414773524565613015797734760014009816442346255542167538723696800942133438286488478168463556033521891003173138470665998891205843023688071451922812581424164300286405029778192782830790458564994161493515151322353586410489824527218335813059240480972192969352934048070138821451
 . . . . . . . . . . . . . . . . . . . . [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)
							088af5fae627ebb82f403bda3618ea6a9f1481b7
 . . . . . . . . . . . . . . . . [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 (100 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'acumulus.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'forum.acumulus.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.acumulus.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm8.acumulus.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wiki.acumulus.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.acumulus.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b45867fcc000004030047304502206b0f627fdc7b10b2904c071e06e3aef8afb12047836855b20abd44746cf8274e02210085cd931da980930b23e45329b0b106e14b1ca712a3bf6018f6cc0f3375e7540d007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b45867fc40000040300463044022066c367196ac097dfc028d2870c92c712dea12ed8080476cc949858011e832c470220719a5e098b2db148c6ee0b5b13b23852fc300a551a1bdb2964151c201f698398
 . . . . [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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