diversitykobo.org

Issued by R3

About this certificate

This digital certificate with serial number 04:9c:7d:07:0b:c1:85:43:1a:e2:c2:04:79:89:b4:64:3b:db 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=diversitykobo.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9c:7d:07:0b:c1:85:43:1a:e2:c2:04:79:89:b4:64:3b:db
Serial Number (int): 401699383050697294751410430406809427917787
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 0b:c1:cf:5e:36:b4:bc:83:37:d7:23:b1:ed:bb:43:76:9e:ba:cf:8b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1a:bb:6c:ce:4d:e9:1f:e5:20:24:4e:c8:69:d5:8a:27:9b:6a:a9:84
Fingerprint (sha256): c8:da:52:47:9a:11:f3:66:54:ea:d1:ad:f2:5d:4c:2d:a7:20:4e:6d:d5:2a:b6:33:c6:d7:23:04:71:d0:c1:20

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

Revocation information

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

Check the revocation status for certificate diversitykobo.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for diversitykobo.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

diversitykobo.org
www.diversitykobo.org

Other certificates including the domain name diversitykobo.org

(limited to 100 certificates)
forms.gaa.aero
form.diversitykobo.org
diversitykobo.org
forms.gaa.aero
forms.gaa.aero
diversitykobo.org
diversitykobo.org
diversitykobo.org
diversitykobo.org
diversitykobo.org
forms.gaa.aero
diversitykobo.org
diversitykobo.org
diversitykobo.org
diversitykobo.org

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqaz0/oQlaLAo9rxtcX5K
RajfzIGtgu4spQYe3YcOsrPQT838koNDC5vpX+V18dUdk8IXSdCVVrPeXqCtiwZ6
Dtoj8PQl7fTPoC18RBMTq5vZugL0y1gzYgQ6CF1HIg7N6LoLcBoWOJE7qyy+Dtf2
/8CVzMdAF3DMSxSUB1e1CAy5UGdc075ARpkdW7mAqkW7a8SYL2+0xH9FvBf6q6jN
xHMUix3vqK4ChsdDQrWbsL9qGBgJbPmbV7XJ+qsc34d9jf8XBB7rjlBcEFVEnqCa
kOUJFN1PPkYJPq4i1QtdxXN3X/eUVtZoSzQkckJ1tyyjkCCiUEwh7meRJRDzfCD5
nwIDAQAB
-----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 401699383050697294751410430406809427917787
 . . . . . . . . [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 2023-11-03 12:09:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-01 12:09:34 +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 'diversitykobo.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 21419561818946693167080526846599764404547656302738519733287263077546493513069824579536033526957755265164666500256383632335503084666169136857485322005629610949983464646404479276271079242134677564086954715581571250430140616941988094712026397624289106059956293305441900655999627852430278946040648921724501792976494055364464455344403803095105496001364450748355311305053992136376009639226312356792182660640052558499618170690998642422751496607594168635005073222057247758651917764317306968595714899626706693141953225149866033942665825234365116358437349172888087588806186023925065922995397707802535144668720837412923061107103
 . . . . . . . . . . . . . . . . . . . . [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)
							0bc1cf5e36b4bc8337d723b1edbb43769ebacf8b
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'diversitykobo.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.diversitykobo.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b954da6c60000040300473045022100d0d72f6b1aebc200634472b9571b9f7246d3c078d05d39c4490902f5fe015caa02202ecc91b3e2a4d5ed436fb727bbdecbca7553a044391261b36a7feeb40bfc28a100750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b954da7090000040300463044022035c8d8799d361be367828049f1ac82f4a69909486fafd49a133b64e04dc582ed022045e5de3a0f1a36591df6e82734f78d3961b4f0da07d4bcc3589fee25b1279d3b
 . . . . [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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