www.klnco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:be:b3:dc:66:1b:7f:04:bf:fd:e7:93:7f:ae:24:19:a7:20 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:be:b3:dc:66:1b:7f:04:bf:fd:e7:93:7f:ae:24:19:a7:20Serial Number (int): 326229583697797675900202753032687617419040
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 44:21:3d:1f:98:02:42:fa:46:92:a5:dc:34:0e:66:69:38:ea:f2:0d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bf:f7:f8:4e:8a:72:44:bd:5d:c9:28:88:df:28:6f:4c:c9:33:0b:c3
Fingerprint (sha256): 99:64:6c:c9:15:02:14:90:8d:db:f9:ff:24:89:3e:c2:21:19:11:d6:ca:6f:d5:1c:40:db:8f:94:fd:81:c4:ec
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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----- MIIGUDCCBTigAwIBAgISA76z3GYbfwS//eeTf64kGacgMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDkwNDQzNDZaFw0y MDA1MDkwNDQzNDZaMBgxFjAUBgNVBAMTDXd3dy5rbG5jby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDJFjhx/g91CwVIDqOO9go3xuUsPRlbr2/v si7ZEl+O+I2/oOovpkCyArJeF5ND1M8xMk8ip/rSt1NrBv6dGNRJ8MZThyqpDYVK 3ZBel4yjSVyAKm+mNKdfRTX4mIcrWOCuexdoFDozuaaZhYqvl/BGaS5oXmtYFAhj 5PnwJs31kfcD1/VFotpeIMI/rA330doD/YON2phTE/vi5rrP+1oH8OQkWp9KMsoh CQDvxVQ2jTNzFX3lfoegewp/2dIdkRCsp4j4tEDNCs6KmBz+xdPIpV9QSS22vE50 SeP/VDRdeTFtEOtajyW7xoCAS1ixR+QymgyZSKj6NHWwRt8ZmV0nhUc5Yis6i5OT oWapdwhb/KAwOgt78F8lahktDOrLNXyXlTkSHHVNqGItziX27atSNPbTsII4s1f6 8lY9qvfhunoe27XLeL6OVrCJc26axxoPF4XIpKDXFhrjOIsyUe4Hq8xwY6tgNBrW L2uBL0IDds0AjhA6Shq7E/iprebpTZ3Ffm96H/1fk7q9TddXF5lWl/69ttArvt0D FZs1WDOkYN3SYpU4DUd66crwIOpA0AO1+On/5vC2MFEOJsZp1EN2z+nsoeRg60pY Fovsmr3Oy5l407E5FRPSpLe5fRI0A6dESYxGO5MyjeXxE81/DK74U5+etM8Sh3zj Ol24CJNAyQIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBREIT0f mAJC+kaSpdw0DmZpOOryDTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5rbG5jby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEEAdZ5AgQCBIHzBIHw AO4AdQBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAXAoeanrAAAE AwBGMEQCIAWyBKyYV7heZA0NEO18qaxkFFhAVVtoKNns86d3JZNpAiAzeuLSUIKc NOsUzN2BVRbnLqC8NIFlJCWEffBIyNCVaQB1ALIeBcyLos2KIE6HZvkruYolIGdr 2vpw57JJUy3vi5BeAAABcCh5qdgAAAQDAEYwRAIgQLrgifgut5EUcW+lv1Dh9QXW WA624ZKOoxhCoZGe1DgCIC5nT7BCoUphrY6cWLF6GGoCAJQp5lRmBNSv0R4tEDyc MA0GCSqGSIb3DQEBCwUAA4IBAQATUXJj8sFe8iIE20jn8TR3RZQo/4fmI31yF1Vv VNDm3iX495x9BrIGnCdOA8FX8+Cu/KksuJSLJIbVTJx60sD/ldRS0W6IDn60UKFQ 7YhFKeyr2lKqEcZMlkPvEMOMfGwG8b0HVOBOX6vfhVzXLXEcwJxPxG/1E9S3Ru9a Q15U+cPZHxMMVUDX+cfi1UT6qdg5yA0ZmrSyF5Zu9H3cULhyMgVZ4BgXgCreuenD L4mEKGUQhCnFFg4mjyyhPmnG23OWF+pYgu10xtpkAuT4dAx5y7gzXfZpZgj4KQju GNwA59u6LK2JRtd7sED5yi8iKiGHlbREvX4vBCpE4M4ThUgy -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyRY4cf4PdQsFSA6jjvYK N8blLD0ZW69v77Iu2RJfjviNv6DqL6ZAsgKyXheTQ9TPMTJPIqf60rdTawb+nRjU SfDGU4cqqQ2FSt2QXpeMo0lcgCpvpjSnX0U1+JiHK1jgrnsXaBQ6M7mmmYWKr5fw RmkuaF5rWBQIY+T58CbN9ZH3A9f1RaLaXiDCP6wN99HaA/2DjdqYUxP74ua6z/ta B/DkJFqfSjLKIQkA78VUNo0zcxV95X6HoHsKf9nSHZEQrKeI+LRAzQrOipgc/sXT yKVfUEkttrxOdEnj/1Q0XXkxbRDrWo8lu8aAgEtYsUfkMpoMmUio+jR1sEbfGZld J4VHOWIrOouTk6FmqXcIW/ygMDoLe/BfJWoZLQzqyzV8l5U5Ehx1TahiLc4l9u2r UjT207CCOLNX+vJWPar34bp6Htu1y3i+jlawiXNumscaDxeFyKSg1xYa4ziLMlHu B6vMcGOrYDQa1i9rgS9CA3bNAI4QOkoauxP4qa3m6U2dxX5veh/9X5O6vU3XVxeZ Vpf+vbbQK77dAxWbNVgzpGDd0mKVOA1HeunK8CDqQNADtfjp/+bwtjBRDibGadRD ds/p7KHkYOtKWBaL7Jq9zsuZeNOxORUT0qS3uX0SNAOnREmMRjuTMo3l8RPNfwyu +FOfnrTPEod84zpduAiTQMkCAwEAAQ== -----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 326229583697797675900202753032687617419040 . . . . . . . . [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 2020-02-09 04:43:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-09 04:43:46 +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 820362565827176371940568609294684654101054644144958220961872300866109993376243802600809578058085234995464941412650604970725217715379068230300972767181135881519702612341614414322513354975532242187796868672877433017315148573058878704712369533018689606412901883661262371177348329579786995171327601321931707975430393676027051308570389990453482098626948307623010857217208877256096322482373639194892390361552636178323715697423071724943604721972985594053405394694378272579408457428063131128303961890851328812129650447521568002569918473278682397702894293676517910971717494977514710716363022132498238929023095730153301246716081730919250830874430735706285326123797658532053302818747106394797057989338886141419820091511696269993982279201057467113832527020508668479574952595713227403490045912931465334925388634054521557914327554020270787459287570685199197888674035270769521744791240855778945791288507354781421953707387348850156885024569837726041998716974315600509786618459469313721279975445209384556057200700916815345862357993396838275216981675078443725328278402100247561517706875812322362822316141235729958560159843022494542367745224607316038874916325627350056622752209206263364780872949679199453489424587191788592773247707594377995935393464521 . . . . . . . . . . . . . . . . . . . . [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) 44213d1f980242fa4692a5dc340e666938eaf20d . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001702879a9eb0000040300463044022005b204ac9857b85e640d0d10ed7ca9ac64145840555b6828d9ecf3a7772593690220337ae2d250829c34eb14ccdd815516e72ea0bc3481652425847df048c8d09569007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001702879a9d80000040300463044022040bae089f82eb79114716fa5bf50e1f505d6580eb6e1928ea31842a1919ed43802202e674fb042a14a61ad8e9c58b17a186a02009429e6546604d4afd11e2d103c9c . . . . [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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