kennisnet.org

Issued by R3

About this certificate

This digital certificate with serial number 04:dd:d7:aa:8b:33:67:a0:1a:21:67:28:f4:2d:6e:a6:7e:de 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=kennisnet.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:dd:d7:aa:8b:33:67:a0:1a:21:67:28:f4:2d:6e:a6:7e:de
Serial Number (int): 423938216349455736548622666552277073297118
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6a:ea:e1:c2:cd:f6:ac:6b:55:bd:ba:a1:01:ed:cb:80:e2:92:05:78
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a2:16:de:96:11:26:03:bd:0a:4a:23:2f:e5:dc:9b:56:57:f6:f0:5f
Fingerprint (sha256): 45:59:f3:25:a5:dd:a5:fd:46:07:5c:6f:c5:96:6c:bc:d4:80:6a:4e:63:6c:c2:9b:85:27:ca:61:2b:a4:31:5e

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

Revocation information

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

Check the revocation status for certificate kennisnet.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kennisnet.org

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

*.kennisnet.org
kennisnet.org

Other certificates including the domain name kennisnet.org

(limited to 100 certificates)
webmail.kennisnet.org
kennisnet.org
kennisnet.org
*.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
mysite.kennisnet.org
*.kennisnet.org
kennisnet.org
titaan.kennisnet.org
samenwerken.kennisnet.org
kennisnet.org
support.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
*.kennisnet.org
kennisnet.org
webmail.kennisnet.org
webmail.kennisnet.org
kennisnet.org
*.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
*.kennisnet.org
support.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
*.kennisnet.org
kennisnet.org
hotspot.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
fs.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
webmail.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
kennisnet.org
kennisnet.org
webmail.kennisnet.org
*.kennisnet.org
vpn.ka.kennisnet.org
support.kennisnet.org
kennisnet.org
kiwi.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
kennisnet.org
support.kennisnet.org
kennisnet.org
webmail.kennisnet.org
webmail.kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
kennisnet.org
support.kennisnet.org
support.kennisnet.org
support.kennisnet.org
kennisnet.org
donald.kennisnet.org
kennisnet.org
*.kennisnet.org
support.kennisnet.org

Certificate

The complete raw certificate details for kennisnet.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2VLpFuJiz+I8uQfcrOTo
u2GnMd9kM1dyebQbXMhpNLEtF0iGhU7e1rAffGNrcuRlN4eEecFMYmTFnghGi7P3
9//S1WMNKa0t8c4Lyl+fg6EqLriWTTujROd3kqUFCVHYSpEZnVQFiIqVQE+oNvlZ
pcowBTuxaMHeYnbXj/Qb78TmURSi4niK1X4I0bDw6n7aSkTiRcA1Ad82yKQtkdZz
R3tyLrLCyk2f53TljbBUHgvSZaKd6IVqLKJAPbtHEBaTnLp+jqIgBe4R1gleumKu
Prl8c2g9q65Tmv8DwBlg5EFwpABWaepK1cWvmFlv1wbGFFhmuHqeERfI23fmw/P3
CwIDAQAB
-----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 423938216349455736548622666552277073297118
 . . . . . . . . [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 2024-02-21 06:11:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-21 06:11:10 +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 'kennisnet.org'
 . . . . . . . . [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 27434596871659127409541682594557375038179838349310965153354096684319485772851373278827789869784183783223792203589114182046350908350830099966971701440091038857940484328605330601590873690544450824181663095274078137182948887472420264552662429646071496131508108267940073726476852785828707083447438883564279174252239673595112179183257350706166912250211168556219429198400748524002144570472089991890558775483577269532504389516857580657911597589820299026936185482401031324855017754203536870023432979246590652349774660860309443930455925206245335932824610666360331322424173942411491949645049179729534388270403334918471337375499
 . . . . . . . . . . . . . . . . . . . . [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)
							6aeae1c2cdf6ac6b55bdbaa101edcb80e2920578
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.kennisnet.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kennisnet.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dca810c32000004030047304502206c100bcf73890cfd1b9d7da19afd5d163f2d5b8e752b80258a98295881aed438022100894c7fd9d6d10d57ffc5bb7e04ffb5504ed55246221cc2374c1a18d57f3f6ae90077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dca810c3a0000040300483046022100a4ee20b554329ae6e0324f79f789bc0a13da05e527dc09017883e8d0c9f9fe0b022100a7a6c8114ffbe36c09e719f6c3311b20155da6d3ad8aae5551f0d06c14fbb21e
 . . . . [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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