klnco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:38:5a:9f:86:3e:8b:6a:81:a8:93:eb:86:b8:d6:05:46:e6 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=klnco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:38:5a:9f:86:3e:8b:6a:81:a8:93:eb:86:b8:d6:05:46:e6Serial Number (int): 280513129160472623499980215418734206338790
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 27:2b:2d:9c:29:38:81:28:32:49:93:b1:88:07:29:a6:f9:38:80:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d0:23:b8:3d:5a:eb:4e:87:b6:67:12:be:d3:82:3e:c9:de:ab:4e:80
Fingerprint (sha256): 73:37:61:5c:59:2d:69:df:a2:f8:40:13:86:d0:ab:49:97:4e:82:e2:17:b7:95:14:87:38:d1:de:a3:12:e8:ea
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate klnco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
klnco.com
Other certificates including the domain name klnco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for klnco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSjCCBTKgAwIBAgISAzhan4Y+i2qBqJPrhrjWBUbmMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTkwMTI5MjJaFw0y MDAzMTgwMTI5MjJaMBQxEjAQBgNVBAMTCWtsbmNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBANdpSonXlUqUd8gtZp/y/FzE3VcrtFl+ouX5UvAq yUA7ehGuoOGTull1M0PWCdNzAUVASuCOPL2pyeqKNvbuDflsTcPX3IK5LYlKP/2E 9EAxX5DiSd/xkNT/B3lMRfIQhPf69sznT1yuD/cxW1W4OsQR/LrwTjqEMj9m2U/0 FiP+TrzKrkE2dvcPWgbE3DSvY0fbagdvN/Zq29QLq0nLvQiuaN1rx+6rwS07/eFd IkTmlPDx/suySVFE+CQCqqHfBHYBmqKjoPl6F8wLue/yqC+rmI5EL9gj3tVUCdjF PB5rOyecaYdphAe78NN6y73zpn+913RsNp0SsKRBi41nFk7Eheco50scdBs8BgTx hXtV2eZw5xK/+GqCE1VRfZQfOgmaisgIIafo15sonzJII1Ipj9vKJ1dQLAhlGEYA 9m6MTpFt8rpQXQ0tvL9UuBPVLPbqNv68ULQm4xdwWWFFlZ5m1RKmKaKCGYWijMK6 Dt130muBbQioDrT9ES+Zx8SmJlhhYYhaP9bCeNp1ta3rajoMEXRFO/wnAYKZOUwY Gbr/9Dy7lb5SCToR/Cy1uNM3o8vuAZmzBgOenzsPoRkJ22CqaOebWTGcP1Styls2 UlNjDuVlArZl1rB7EEcHRYkPXkh89ywB/8P/KyeYrYUqGJq3YlDvu9FcsNsgbbgV E3qzAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCcrLZwpOIEo MkmTsYgHKab5OIBtMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJa2xuY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHcAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFvG/z8XAAABAMASDBGAiEA 2uoNRzpSSqFo3L5gAReEJkrg3quyMa+Z28pkpzp7n20CIQDMQ0/QFLr40VwgblMa 8m2pFdygTOOOK1RTdS506jtosQB1ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJ Uy3vi5BeAAABbxv8/FgAAAQDAEYwRAIgbWoZDFHrmPosaNX9WgDyC8CBQ1mPHIS9 ZDLcGd2mfLkCIHrEGFo5kd3Eg4CsrwccsTKz7wFDKg1NgRwOJL+WjfAQMA0GCSqG SIb3DQEBCwUAA4IBAQB4AwaeNm9GRbhtVxW9QC8iNBbqFcDwgWnmJusCLlZoZr0i lWldWeO763VJ+kK8RFTsdyHJ8loB+6dHQi9YLGtfUAKd+/hR/+kLybmcXsMwICys aD1nwKtbAH3Oidenl31tGn6dLvdarp0aJknkrBXe+Lfa2wqmb2wWLw7h3ajIKhZJ IAbTkj5l1nfFMSYOemtIZ0H7Na47Oto/DcDSJWevYa0nI37oVnaJAUTxH6Gs6j1q yPL3qYst/c5Hz8rdfitiX5SMOQOceXKHlVpfcYpeZqsHdr1hEo2MEdUzk4T5pHbJ Ls6YlPTVvwy2kqdIHqtkooBUkqpwODK/aCRRS8es -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA12lKideVSpR3yC1mn/L8 XMTdVyu0WX6i5flS8CrJQDt6Ea6g4ZO6WXUzQ9YJ03MBRUBK4I48vanJ6oo29u4N +WxNw9fcgrktiUo//YT0QDFfkOJJ3/GQ1P8HeUxF8hCE9/r2zOdPXK4P9zFbVbg6 xBH8uvBOOoQyP2bZT/QWI/5OvMquQTZ29w9aBsTcNK9jR9tqB2839mrb1AurScu9 CK5o3WvH7qvBLTv94V0iROaU8PH+y7JJUUT4JAKqod8EdgGaoqOg+XoXzAu57/Ko L6uYjkQv2CPe1VQJ2MU8Hms7J5xph2mEB7vw03rLvfOmf73XdGw2nRKwpEGLjWcW TsSF5yjnSxx0GzwGBPGFe1XZ5nDnEr/4aoITVVF9lB86CZqKyAghp+jXmyifMkgj UimP28onV1AsCGUYRgD2boxOkW3yulBdDS28v1S4E9Us9uo2/rxQtCbjF3BZYUWV nmbVEqYpooIZhaKMwroO3XfSa4FtCKgOtP0RL5nHxKYmWGFhiFo/1sJ42nW1retq OgwRdEU7/CcBgpk5TBgZuv/0PLuVvlIJOhH8LLW40zejy+4BmbMGA56fOw+hGQnb YKpo55tZMZw/VK3KWzZSU2MO5WUCtmXWsHsQRwdFiQ9eSHz3LAH/w/8rJ5ithSoY mrdiUO+70Vyw2yBtuBUTerMCAwEAAQ== -----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 280513129160472623499980215418734206338790 . . . . . . . . [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 2019-12-19 01:29:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-18 01:29:22 +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 '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 878801406186775113890517891697828811277560270425184556684009979730536914682798932261225991124787196461847656754014619477671817295729998125378807191287820398728237660921708685946261527348199714542479885058377475240409293644231275598348527786623338553238833993579351157361278362009575183041884785946076888111457882340900817899715781206243036599487924967522527529866812090644193665050054691786868520522525394176732868078259777549631660005604537713524697661276774987261038846496189569586756885892016917085489189718032135799454888328671424426238465243929396900762587162036418025686933152056891769905151549865380663918706075661838653046380945434347091582513331144499702599920663293377468906289428082336682486461743164146780493358518074821327143534084736735632437872630772779408311878393357558118034167071211369592790228839874307979141897716360997691400423914143362435150182568682470465478603847130623533703422553907993656266892781482366705445999846040252883756240149538754147685349417529621652247449051145740816998697803079005312537246436594808037714804984212780195343232349788787779285726036417501100220315275921033898002870261818350480638620415800883017902101469411276761100423175290796592728309597793026645301071070181873640930515581619 . . . . . . . . . . . . . . . . . . . . [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) 272b2d9c29388128324993b1880729a6f938806d . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f1bfcfc5c0000040300483046022100daea0d473a524aa168dcbe60011784264ae0deabb231af99dbca64a73a7b9f6d022100cc434fd014baf8d15c206e531af26da915dca04ce38e2b5453752e74ea3b68b1007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f1bfcfc58000004030046304402206d6a190c51eb98fa2c68d5fd5a00f20bc08143598f1c84bd6432dc19dda67cb902207ac4185a3991ddc48380acaf071cb132b3ef01432a0d4d811c0e24bf968df010 . . . . [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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