kabuku.io

Issued by R3

About this certificate

This digital certificate with serial number 03:e8:87:ec:eb:38:9b:52:92:f8:7c:4e:20:6c:87:82:c4:35 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=kabuku.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e8:87:ec:eb:38:9b:52:92:f8:7c:4e:20:6c:87:82:c4:35
Serial Number (int): 340463042853279145286967080161734492865589
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4b:71:97:32:24:f3:42:77:11:f3:8c:5c:41:ad:94:a0:3c:c2:99:a2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:77:e6:6f:52:b2:f3:49:73:79:f1:6a:06:03:c8:31:74:75:41:7e
Fingerprint (sha256): 37:89:86:ab:bb:62:6a:75:fe:f3:24:67:2a:25:6d:2c:b0:1c:86:d3:ac:36:ab:28:4c:3e:1a:21:74:ae:20:ac

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

Revocation information

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

Check the revocation status for certificate kabuku.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kabuku.io

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

kabuku.io

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Certificate

The complete raw certificate details for kabuku.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtUxMu52La6y6NyJveVg+
xC0R1FAfXcACaWcD3zhIuL67QnUcuW+hbD8Hl/NulwhCvJZJkd1R6aGaaBAFveZY
v1SkdLUYdgDZkNnGfRTjo2kO+7ncoajl1Ed6tTM2UcDjJDujQ5XtJjRPIF4Tx6+z
iEn3bsi0iMYk5Njps6NFXpSo/BPTDZvAc7lIKKx6yEkXBc+90KdXInUSTk7t91wY
zSqRN1hRENDN0wlopYgU1GAuT5QkMXRZkEOemOZimAZT5zy4z7jY9oU/0uOVL4+L
uLVQmm4WIZy6jNsaP5idmxy3MhBomJ5nFlgHQR7qPpVS3NKCO5Utu9mFZb+Uj54O
nQIDAQAB
-----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 340463042853279145286967080161734492865589
 . . . . . . . . [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 2023-08-18 02:13:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-16 02:13:11 +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 'kabuku.io'
 . . . . . . . . [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 22886758001853485605027304404626051097821361643991502588581186227801439113692366967455036136025998662492123834903453022473823941913951169288303119021639144814165329108653741035015207912047748568225079013768970846089416886885948088546303065692991308725837572228534097346755990711884730020968172832609743612398336085107988674332487740505148658260648742567206012850852109133182094393715051588746888169876432670503432573971935357352653176749666376512257598900338668890623330231592191176159160466814975055829849459482820773030930214091420878552913854871508487440348284005850940427672613744868963307506777071099359686168221
 . . . . . . . . . . . . . . . . . . . . [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)
							4b71973224f3427711f38c5c41ad94a03cc299a2
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kabuku.io'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a06a1f7ca0000040300463044022052cd62a4067229d4db1788aaef5c339e8709e2d726fd8c4d5932ca989d0eca17022036d995c7af167f0446d6e3fc992b8ed521443f306969ae0946d681dde332b272007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a06a1f811000004030047304502202ad365d6181c6195f5bdea0a5c571bb86b6c502974b37343e57572578d227986022100fc1f013fbb73663abd60231dbac97764f33d119a776b7d5057fe3d1fd0a443e5
 . . . . [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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