jkdiamondsinstitute.com

Issued by R3

About this certificate

This digital certificate with serial number 04:d1:39:e2:02:5d:1b:14:80:a0:c4:93:bc:d1:29:45:9a:13 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:d1:39:e2:02:5d:1b:14:80:a0:c4:93:bc:d1:29:45:9a:13
Serial Number (int): 419645097916308313728480502443477393840659
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 18:3c:aa:86:dc:72:b9:f0:fa:64:0b:69:9c:08:bc:67:2c:2a:ad:24
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c4:49:35:bf:3c:27:23:ac:bd:8b:58:dd:1b:33:c2:9d:51:74:c8:23
Fingerprint (sha256): 20:2d:0b:82:9d:bf:76:f0:38:bc:bb:da:b8:ca:81:9e:39:52:8d:9b:9c:10:b5:97:c0:20:73:04:87:17:77:5b

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-----
MIIGFzCCBP+gAwIBAgISBNE54gJdGxSAoMSTvNEpRZoTMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAzMjcxMDM0MjJaFw0yNDA2MjUxMDM0MjFaMCIxIDAeBgNVBAMT
F2prZGlhbW9uZHNpbnN0aXR1dGUuY29tMIICIjANBgkqhkiG9w0BAQEFAAOCAg8A
MIICCgKCAgEA01EKapTrDqg6tFqNfLDdPnLpw2wgZPK8/9vHukB+FCNJsYPy49P7
kDCjtEq+2/1PE0H0JV/QNVuUI3GHpRwsIaQMi/rFd7eoV0OA4p2Sla3HE7m/RsBS
q0ujwlOJ6SMpc+raXz7hia0hrkUSvkrO0LKD7K3o1A6siYpbfhGblRr6H3TTnHe2
hNCV9CHcWHrKGIlZrrfKXZdITqj3Kdbmxw7rLFlQ1ysp9asgNrhb7JOd1BMvdY2u
KBPoVW9W/HfpjE0UZdavwakG7AByrDz9lct6AmJIwRd45/3XH9qGqIcUj0ELrs14
M73GwacZCCpOCd3/LcpE9wCJY/HUXveCrxzWQQ7I8xULHNoZwDyKpJY/vTKH4bE8
1GJ4YoWBCpnZ8mwTyv2rFzyXwh+41QCddSoNXTpSbl0hOxcgE9BGpIlgmCUEoP7N
5dTtxUTVnpKv4N4SrvksC35pwvdlIogbntVV6Tt1L/N5YQwtaukmCwSQly4A+MzV
bppADSf+sMjO7tkPLHjfD0p8tBEk5Dzqvys8c6fJNGfc1P4VHTe5PgfCAj+/+CLv
A6nidPdHs1ykAS6F5IKJIiq8o0yhJSwEO4yAp06pQ8clp3JGfgFVR2hIWYl5CMWB
Q0mZku/kKhsPgMPzTAclrb5NKaAJbLXeZYCffC5SHxziQAUV3g28+n0CAwEAAaOC
AjUwggIxMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB
BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUGDyqhtxyufD6ZAtpnAi8Zywq
rSQwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEE
STBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUH
MAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wPwYDVR0RBDgwNoIXamtkaWFtb25k
c2luc3RpdHV0ZS5jb22CG3d3dy5qa2RpYW1vbmRzaW5zdGl0dXRlLmNvbTATBgNV
HSAEDDAKMAgGBmeBDAECATCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AEiw42va
pkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjn+wlvwAAAQDAEYwRAIgbYx8
1F3CBFOYgizgZSpVsUQbs3sth0Kw/WIQNWQwR5cCIEnoBzWtyMu2FePKG9vDItF+
mCSgd8fpee8FCoh6LBefAHYAouK/1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31
F9gAAAGOf7CXOwAABAMARzBFAiEA4SrDjs+Dsr3yc/KIDJC0M7/OLM2qed41jL+P
F7zpByQCIAk05b/ebL/03w760HWBiospzPO5RV9LSzs6VWiymjhuMA0GCSqGSIb3
DQEBCwUAA4IBAQCqIZV1B5rhPDGDtazf0mAg20QgMgMz5LYLfbzBkCd9mUBSXDEk
hy0Kmux6CoSpC1WcfchCb1UtQzRvXccgLDMUobCOxcyzEkC9/TNr1o3YRk18DObD
Bz8zBc4RKMg4soZAC4kDFvLc4TIDgXyYfymqukLDg8nISVddQARwvM5rWnRPDH7q
ChncZmiWYwXjd0OQyuMGAkdJEPTxYPnTWb74ayeUq+Z/8HXYwn99zKcRSttzBfGS
k0506Q9vt6jLScnuRPM+igRMJhRjSue5bH7WaWnSVX3f8HK7YJq0uCHKzPVCg6ZO
9IJnkoJgojc+YP3CuJlSdTEXVQ3HpNJ49oDV
-----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 419645097916308313728480502443477393840659
 . . . . . . . . [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 2024-03-27 10:34:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-25 10:34:21 +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 862096371654446937966226942137828333275952979298878777658393509532854285873907760943719200196135520052954509170443728771556854904280163749247721408431030438258460292198780168808962836826397781688755667158359551978835331034472845316249382464532356104840971289017444044704562038960660128802119078431651031915348550652695437887253716092754306869872586233235519431552090961481613401575651868330409621567587349418693577239707467039974736767708145840694245480668072702940753611238197418156000554769984769155540586080770906523392495810119192173957544844205148870890301343638234379230067087066950759615175027154640847402481780160208106225344431533303660354111570180905666707801061061560562202899360152094038109108735691058596083430394047578868671552310527287117018983658432343094622206113063054703815485106329478634946408922368152396914346810396150007832065921962942006235050459540799092713190070186491852347843517903425662081390768579674695445651156411192198036013880369405593857369043829417099330409555252421992850647457050033548931867523537140223116009983661624636494484059780874268416128467933419529578147721409498025876490709761412200989774113954445687899795882921725698790417099133234068752805785882622782485328737501644738552796084861
 . . . . . . . . . . . . . . . . . . . . [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)
							183caa86dc72b9f0fa640b699c08bc672c2aad24
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e7fb096fc000004030046304402206d8c7cd45dc2045398822ce0652a55b1441bb37b2d8742b0fd62103564304797022049e80735adc8cbb615e3ca1bdbc322d17e9824a077c7e979ef050a887a2c179f007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e7fb0973b0000040300473045022100e12ac38ecf83b2bdf273f2880c90b433bfce2ccdaa79de358cbf8f17bce9072402200934e5bfde6cbff4df0efad075818a8b29ccf3b9455f4b4b3b3a5568b29a386e
 . . . . [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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