www.klnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e5:ae:7e:ad:24:be:87:1a:36:04:37:bc:60:08:8a:db:70 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.klnco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e5:ae:7e:ad:24:be:87:1a:36:04:37:bc:60:08:8a:db:70
Serial Number (int): 339493463232614439586033100567949125278576
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:67:b2:b5:58:14:87:c7:0b:a3:c9:25:8a:f5:75:e5:c6:be:d7:a0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 08:c9:7c:69:da:00:bb:63:26:67:d5:07:14:94:cc:7a:9e:32:aa:d2
Fingerprint (sha256): c7:83:78:53:2f:48:fe:3c:39:12:9d:1d:57:99:9f:c2:67:b7:a0:d9:53:37:c3:60:0f:c2:de:f1:b1:f6:72:b8

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.klnco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.klnco.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.klnco.com

Other certificates including the domain name klnco.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGUzCCBTugAwIBAgISA+Wufq0kvocaNgQ3vGAIittwMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzQ5NTdaFw0y
MDAxMTAwMzQ5NTdaMBgxFjAUBgNVBAMTDXd3dy5rbG5jby5jb20wggIiMA0GCSqG
SIb3DQEBAQUAA4ICDwAwggIKAoICAQDTqdpPtkry9dEsVu582ic54BLkLPu1JWPu
egOFZ7vUJvlrTJx/4mNiAfU/8sBBjGvMybumP6BvB6DTtDmGNjSVdEgw4Z7mcP1I
JaKnS+iWJh2KiULgQz+32/4GXd5J6S2ucnuLlwGOHyVOncYut9Pmnqriq5tOFmHk
Fe4pzE7NqyhQmlzGV6suaXXewddriJGMLEhT2zogk7wqTCs3Ark8iZwV4R2aKu0t
VgkbpmqtfAF41uLBn4n/efVzzbg7yhP1JW+C0cGslKK4AYgq0EIHZH0KZOGlv6xK
T9wVhTynChJUY7RYSaR2ftPj1LUDREeWue4NnAHXuENfMrXS41M+UNZ7BvxW7eIH
cMkM59BW03MjdlmtijG34EpxLYiTLZyW1tVWaIZVhtJzpD0dmbddvaTC0L8GTGMr
oSOZuZyE83Qkug3NhpxtRFTGMZzlObYS09ES7HVj/idN1cncwZUbNkWY2Huyf852
uisJVKaEXwDpx7Jbca5xTiQrpc+1k/XqXqlAJkpCgQSrl7Sl9Y4/yutwbli3oc04
2Td6mhhBoxRF9qpFSbbBXkaKTVrwj4b+LcQ0sgp1lk+ulrvlkG4gP/3cjqCJe4ix
wLEChEtJw/mrQJkyKsC91T9pz/8ukPNuemEpa7itkiWbKxcpGcwSEs1BGo36AShy
4lUO31mIawIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG
CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRdZ7K1
WBSHxwujySWK9XXlxr7XoDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js
oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14
My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14
My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5rbG5jby5jb20wTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz
APEAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW2+TUS9AAAE
AwBIMEYCIQC3e49iNh5k+LKntUYGAW9zWCgwj5YioPsEZA53DhkhGwIhAJ3oX57f
UgZbTxlifSHVgx/TRe38V8BbrRS7IomGlb7bAHYAsh4FzIuizYogTodm+Su5iiUg
Z2va+nDnsklTLe+LkF4AAAFtvk1EzQAABAMARzBFAiEA/27Hp5HGavBJhgu5qctt
DvRsDk9uwJt87LeFHEvuJdACIELuG/LVGY9JNzjhtlHgVGm6ks8pEjbouMuV7exD
OljAMA0GCSqGSIb3DQEBCwUAA4IBAQBv51yEwM6fi6OXGrDeNMPgebYDecu+F8Zz
Nk7MaEIlMcS4Qsvyn56u2ObjviBCjCPD7XZCPJz5itIcn2HCb3/vzap6/X38BBJ+
tYdoFbjd0wBp2lqe2g1n40eCkaZ4cGh4OGB6iNw106LVSqZlv6sy6HtdCKucM39m
Ri6gPkSKjzm4W/w+3Y0n/SyCiC7ySKkWLSRjRO4Z43CaNf2VbzEDV3L20shy7skL
IPkKLncc0veAhkuQavzIBEK1orPgVezWxKlGjm8bbREgvIZl4L1LnjntQmpJReon
KducjeVe2sHbwsSyBQBn+7wZ62jfdMZOWiA1dQoBR6gtdjt+qVDQ
-----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 339493463232614439586033100567949125278576
 . . . . . . . . [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 2019-10-12 03:49:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:49:57 +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.klnco.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 863511690858138451693212406604281394908105540778312938648792632489348065841669706376373527987811679778368188545866646174059633816231258659839105389730099014648200055808570842030758666517505162533236757035818762360581615225256926598470869474200148161084194838798603193584840779556803242606102173914542397159286668378172306031280841338774274774357745185188632571244221225040609798406252632485620184347506525528818708177854824181153111991571952228066293563646780195228206441470226872603788790752407645425914033322405110789667760587993217115468545113523447846493373209467300561309450546480897852211658735762639007060164437387222417106504885827293848964641048165446814067865836490591274583614067583855220857337933648622181980716587205467550269623086749077421537754716287529586426743482341060417664927941842744645689872387583356192740584123572292435413828064742782437376247659252316988990619235836267724633227712644043197103380912338910341301078436549147115477838100921673900199702218271938441943546626863970202317568633313896661332221752237756305945107917853646243811158033255170384147433125442202191414444312262757775451758372891349763192514333947551816662833088986183556962755042899627742198963679150757775153004985460406469870550091883
 . . . . . . . . . . . . . . . . . . . . [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)
							5d67b2b5581487c70ba3c9258af575e5c6bed7a0
 . . . . . . . . . . . . . . . . [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.klnco.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe4d44bd0000040300483046022100b77b8f62361e64f8b2a7b54606016f735828308f9622a0fb04640e770e19211b0221009de85f9edf52065b4f19627d21d5831fd345edfc57c05bad14bb22898695bedb007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe4d44cd0000040300473045022100ff6ec7a791c66af049860bb9a9cb6d0ef46c0e4f6ec09b7cecb7851c4bee25d0022042ee1bf2d5198f493738e1b651e05469ba92cf291236e8b8cb95edec433a58c0
 . . . . [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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