jkdiamondsinstitute.com

Issued by R3

About this certificate

This digital certificate with serial number 04:81:d2:59:c0:82:8a:0f:b3:1f:9c:2d:93:e1:41:69:59:33 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=jkdiamondsinstitute.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:81:d2:59:c0:82:8a:0f:b3:1f:9c:2d:93:e1:41:69:59:33
Serial Number (int): 392625172957942323245344089503206554032435
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 67:db:67:4f:4c:b2:13:68:4f:94:b9:47:eb:18:31:8d:61:5f:74:6e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f9:95:07:12:47:e4:ca:92:27:73:68:94:ce:9a:df:15:62:e3:f9:64
Fingerprint (sha256): ee:b1:f5:40:60:09:dd:39:d4:26:dc:e1:f0:4f:37:b0:5b:29:a2:a9:46:90:9c:38:9f:31:48:92:85:3c:24:f3

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

Revocation information

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

Check the revocation status for certificate jkdiamondsinstitute.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jkdiamondsinstitute.com

Public Key Algorithm

RSA

Key Size

4096

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

jkdiamondsinstitute.com
www.jkdiamondsinstitute.com

Other certificates including the domain name jkdiamondsinstitute.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for jkdiamondsinstitute.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 392625172957942323245344089503206554032435
 . . . . . . . . [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 2023-11-28 10:29:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 10:29:09 +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 'jkdiamondsinstitute.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 595357102544286923683858308764595149838569358614428221750710561990706288363860128631436331496174163538899667266630176904316890200244962948368702710935147516626982125375991450069047937301547914974838343704345347517216449841525925610377789683562831445119596030168540428220457875697084010961669909940771348872371507494267935275977750222738345651006941712702139035006159965976480658932505986930689207823496380567633952870598989694301152932591835484689443770088695345354959636378116351029640888357765948695528145899907208315284378772650722562013506837044211946214376100781094329265652902068193070441395835406723571326037292544402631096561371672788847625031186022098922845724109093548173770674647541486085278359609099419409837876876925255753957719562130871482658348485082655917384073886333088923491723853070762382158675312428623644094005997190799378046546997085497935094865947762060804483780193352920892360996246323098230990077422556023297392159692366843187666276884850259720195253582225927977884770264261726883533397398924484044645479149426062117164445471715677621604089730212860997455684337434260596383151307477269154330420903280814508099720413623075464612643177228668304897179738769823452371433838459501131363244598462407923949653073781
 . . . . . . . . . . . . . . . . . . . . [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)
							67db674f4cb213684f94b947eb18318d615f746e
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jkdiamondsinstitute.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jkdiamondsinstitute.com'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c15b0b11d000004030047304502202ed737e671efa4a7290f8d5d3f9e5356a5ff4bb685f4d9e2d71da458005d0a18022100e896685e89c6e7743c6c7c5d436e7e7fcc42d7be83a6d66636c18d199401fbca0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c15b0b11b000004030047304502201ea52e66589593da68148488c5bfb0ffb6c9f056ddc457905fea09707273b88f022100a5ea9b7bb6baa2121911dab8aab26269f855efefd4988be56f58e22d2affc908
 . . . . [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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