www.kjfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:2e:9a:bf:84:cb:50:75:98:01:c7:1d:19:f8:5f:87:de 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=www.kjfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8f:2e:9a:bf:84:cb:50:75:98:01:c7:1d:19:f8:5f:87:de
Serial Number (int): 310059184250958535184474793645170464098270
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:c4:83:d8:f8:41:07:d9:36:60:15:b0:2e:d9:f0:87:9f:57:cf:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5e:93:22:5f:1e:6d:2a:3d:7f:10:cd:4b:50:0e:bf:d5:08:91:70:c4
Fingerprint (sha256): 79:be:69:2e:38:b6:1e:f0:3b:36:b5:90:d9:2c:2e:b3:04:ee:f3:b1:99:57:b2:19:e2:af:f7:ec:18:7a:57:e5

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.kjfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kjfco.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

www.kjfco.com

Other certificates including the domain name kjfco.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvzFOEhdMB8wCKUM7UvP7
hhf0ncsdHZqpM/9RzM+BXfqCLhdjXErtISk7BwE0ZWBg4XXrPsbl1472u0Hv0S4l
uWzkmNXuXKIseVS+fZmAVnWmvEoc25xQVzAJtGtMufwIC5GcaOnXeNOYtaAYAUCJ
X3pkT12pZjNfvH7sOfYxhk+0QDOTLGkDlYQNq7vJS06sN+NF2H82Hh0ihmtwRLKg
IvedsPvNGndMHJqeji2VncGvbDfDtGu+r10nrsC1MIojNgQK1z4kRG0lxtQrNhRL
NKmcs0Fha2E/tQ4/taUgXA0mGO5+KHzEbeTZOiRsdgeI8suoOIpRHm7XqvUXRqve
npKlbBLxJIWqT2vvCCwcWKhBZHT6rQlLpSZocuK2+gprT6+HIk6uSJjB7vSpjOXn
OiW1LfTDAv0t1i1b9bA0uhrr7WiAJZtxTgTP6HJrte1dT098aGjeDmBtd+oH5lVB
/r+JUv99eb4P1itZbs/WL1UXVDhWv4/M5dSgIsnxMexY65zzZD9dSq/gA5aeYj6C
VtOEJM/i8cvuyIOQAjlf6fSyuFvpO1GTukCTz9v1y6EFLfJPAeNuF96LtNwJzCb+
DpgDifmpLbqnDxw41hgjCsgqgA/0qT20SZHohIfNlkW7KrqrBrDccjSprR52eQXz
s46EujSKtNRO+FDfksR8Di0CAwEAAQ==
-----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 310059184250958535184474793645170464098270
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-11 04:00:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 04:00:11 +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 'www.kjfco.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 779997746296757147141192174903167355507222485261420880411897831884675324178290711402693385662746417676755427732424626386199403877811248069479182209983457799588989561261440194539129138949562086489552771826340967243022074244025086700033202265271104378117572146455677320475473184316579723835850093402306704875187696249852173468690242373057705140354457466245630359739695685507422494954833480264644324683770091039441284183782276882909380172565640114448839405212442844554639102194830557073168785713222934004739069257889154704392169537933496857324116710741396049481985760456644415227196090531215580010119693566447012207745171257205192416232764685880931350233532024011661403789159075497697490379884622463250320784988880454726152677278602725705410686355219582436283785754155027720715493115525688771035650518429890384681146388363056151251408199504940339885583636550364829245628732168897887541860767676604933521400881700592891723256336454099891445949205415321330133527109153302017871579404959364131915762553066794912896358763844787859809116165191136492147555220157879582869129663216406083255066740889951397149213198390768755546718583382801614323104522301288316725534818740391755778955887588512407395397486255525848675948511264807745638169841197
 . . . . . . . . . . . . . . . . . . . . [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)
							23c483d8f84107d9366015b02ed9f0879f57cf65
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kjfco.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef35430bb000004030046304402207e61602f7ca354cfa5710905819a09f9605943cec615ec8704d987018877e97002202d43f5b7bdd9dc00d244731e413bec9d6cc678bafb45c92a4884e1827aad4dfa00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef35430e9000004030047304502205a7984b990a7077bbf659d7dcbccce0c6c3cdc4e3bd5e048b8054b6962d99e9c022100909be882e973ac7581c82cc9ee27b599193457ee5ac845e3989c3ff865f1d790
 . . . . [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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