klnco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a2:6d:c0:d4:e7:80:25:ad:dd:02:c7:6d:68:a1:cd:d2:e5 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:a2:6d:c0:d4:e7:80:25:ad:dd:02:c7:6d:68:a1:cd:d2:e5Serial Number (int): 316608488327222366685497559733155398537957
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4a:9e:d7:a5:4d:01:27:35:16:ce:5a:d3:92:f7:eb:e2:ed:49:98:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a4:63:df:74:7e:6f:d4:fe:b8:54:f5:49:8d:5e:0f:5c:90:d6:07:d1
Fingerprint (sha256): 54:a4:2f:b6:62:00:c4:6a:31:93:33:b8:81:f8:4f:aa:e7:0c:65:5c:f4:4b:89:b6:e2:bd:7b:12:af:01:a9:03
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----- MIIGSjCCBTKgAwIBAgISA6JtwNTngCWt3QLHbWihzdLlMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzUwMTVaFw0y MDAxMTAwMzUwMTVaMBQxEjAQBgNVBAMTCWtsbmNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBANGaZuTzYeH0Cye4JMlv0t2jjCq3IHLrrROgTk6P SOQxsrqndhr6emj35achRSfIcuguJ1qx8SfxVZyZV6qqI+FVe5yVx+OZU2O2zS1O XobkqNU4/U4ReeeTNq6YgQvzH+Fk6q67/zLzWLLSGyP715QnuazciZoa1q2l5+hr huWO9pgTh+wHDN4X5k7iqSLQL7dJHD83GczPNcnJQ/eCJmqYVCfrkVINJVJzc2wg FHgR04Uwm/tq5vat25vOzlzNIDJNP1Gzoapvc/pkMnfvzA63Fd4wo9a+Nrr7l0gf NvBQlDv53sdLHcP4settCLjlxon/eBSC/aw04rm0i6QqI7BeT6mpon6syFbgNx8I Py7NdfqDcgvuVTdu7yHUnxcbZ3dSMzSu+4/XNBoalqID6AEiWb816Ea3GC/Sfnuq DpLvIPB3seLCvenk4H1ter49Dl+P2tu1+I4zmvjr4WCREJsd8Xu0h3El4hF1jXfj mFm322j4b0SKcZqHV3h0sH97DnAGAYhyBhjnn5hG5hyMLeArNAhVYa2ErVejww2x kSS/h1hbSvNW2uyO0W7sSQYKoILt+rao2rGyZ9JBxYb6k5vAiZJ94MjZAlqV+q6c OGE45GRCEZUOiUmN9JII9oylEmwvYm/HD7ELpIOdnolLvogLgDDQAMC+m/Wzh6q6 4kKRAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEqe16VNASc1 Fs5a05L36+LtSZjiMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJa2xuY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFtvk2KEAAABAMARzBFAiEA rQxsLPNXJwcCXX0KLqkZ8BV5f00Nf9fCSBRCAM9f6OwCIHZxIFlRRkEshNYFd5Kg KNUCqlZ+gpd1Nvs9rcYboYq6AHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1 loFxRVgAAAFtvk2L+QAABAMARzBFAiEAnYGlHJAa6a0J9Eujbut1/mSoVzKCLUid sNilCS8COV4CIDaJ651Wr2TQD8kd53xhNrymg67D/BOHb0VAs0qBwGMJMA0GCSqG SIb3DQEBCwUAA4IBAQA411kvSkZnk8n652h5NGn86hc+EEqqhsViYFIiRLWT1RrD 7NLrpb2qHLpHb6IBKvGzUIR3xYTjA/7wj7B3d3PSv3SZqnWEsYKYH1HcUj1+yOcH cfcQRY/allYSwH7NssFgvEU3nUNcvuVe+vguRZ5AWDnn45yYctMSwXu14ZXXfk7t rXwflkyp+BW/Zu+7xkihjOw2IUmekfQlsE6iD72pxDIcFMre6M970n8/o0iBEYmu B0rXQjt2TnbGTuR215BfP6m9PSEkslgXABmXe9/uoHW2211WoaGlnsXTn89oDptz hkjyQPIdtN+cI0hoFaHpw4Ex/8pQWzPTCc0jaFoV -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0Zpm5PNh4fQLJ7gkyW/S 3aOMKrcgcuutE6BOTo9I5DGyuqd2Gvp6aPflpyFFJ8hy6C4nWrHxJ/FVnJlXqqoj 4VV7nJXH45lTY7bNLU5ehuSo1Tj9ThF555M2rpiBC/Mf4WTqrrv/MvNYstIbI/vX lCe5rNyJmhrWraXn6GuG5Y72mBOH7AcM3hfmTuKpItAvt0kcPzcZzM81yclD94Im aphUJ+uRUg0lUnNzbCAUeBHThTCb+2rm9q3bm87OXM0gMk0/UbOhqm9z+mQyd+/M DrcV3jCj1r42uvuXSB828FCUO/nex0sdw/ix620IuOXGif94FIL9rDTiubSLpCoj sF5PqamifqzIVuA3Hwg/Ls11+oNyC+5VN27vIdSfFxtnd1IzNK77j9c0GhqWogPo ASJZvzXoRrcYL9J+e6oOku8g8Hex4sK96eTgfW16vj0OX4/a27X4jjOa+OvhYJEQ mx3xe7SHcSXiEXWNd+OYWbfbaPhvRIpxmodXeHSwf3sOcAYBiHIGGOefmEbmHIwt 4Cs0CFVhrYStV6PDDbGRJL+HWFtK81ba7I7RbuxJBgqggu36tqjasbJn0kHFhvqT m8CJkn3gyNkCWpX6rpw4YTjkZEIRlQ6JSY30kgj2jKUSbC9ib8cPsQukg52eiUu+ iAuAMNAAwL6b9bOHqrriQpECAwEAAQ== -----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 316608488327222366685497559733155398537957 . . . . . . . . [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 03:50:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:50:15 +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 855106176317528215212779676628520260160499945494944535409442150308481859101649287587800609649726995079893560945167676330985992877971541447163675106995209052135982126478380325816281459317629310410616390986234126318160758166686091875632223604932824463409159987497291433908478772752967465232694316756268559156862604778033327748026989217204342637393761469151394344460106249220869283800352888164443991084575023191798378771334894030214763918285300004919774280521494636081886436787896133174617447382500673767687056044436025676679726566445422418186785399522007910538375412683368487492364717192982977313503106461719505841721798623812312589809808139643498979110293060902685386119122943499640841753744236742587769989841898930610947292598152661311825175789492524377014817374915776778638612251350383731493267000036825144788923018915824431578324861580469659826012851341352934774093353614816702097657640714339670563281669105700007550454352379063062086782428736267556339280826881550251995026229167938329259540915115396613586295498719068562904162088150539083113290659113891065224779504525507843188404875789779005712015621872237706631952821976567688283407695834648270729777167366472331020087544434589743282363602508268435218347561831643312880164684433 . . . . . . . . . . . . . . . . . . . . [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) 4a9ed7a54d01273516ce5ad392f7ebe2ed4998e2 . . . . . . . . . . . . . . . . [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) 00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe4d8a100000040300473045022100ad0c6c2cf3572707025d7d0a2ea919f015797f4d0d7fd7c248144200cf5fe8ec0220767120595146412c84d6057792a028d502aa567e82977536fb3dadc61ba18aba0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe4d8bf900000403004730450221009d81a51c901ae9ad09f44ba36eeb75fe64a85732822d489db0d8a5092f02395e02203689eb9d56af64d00fc91de77c6136bca683aec3fc13876f4540b34a81c06309 . . . . [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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