www.lkcco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:eb:ff:53:48:a7:5e:41:25:5b:d2:d8:6f:a7:59:9c:93:f3 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.lkcco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:eb:ff:53:48:a7:5e:41:25:5b:d2:d8:6f:a7:59:9c:93:f3Serial Number (int): 341642599594859455742373672968302676972531
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c2:60:52:e5:8a:06:7e:df:c3:d8:dd:ef:07:23:bf:8b:fd:0e:99:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:77:38:2c:01:41:09:f3:ff:6b:8e:f3:c2:ae:45:99:cf:06:8c:53
Fingerprint (sha256): d2:b8:39:ae:20:6b:18:d6:0e:45:b1:4f:12:84:5a:26:cf:96:3d:b2:19:6d:92:d7:ff:4d:2e:c5:88:98:a3:d8
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.lkcco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.lkcco.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.lkcco.com
Other certificates including the domain name lkcco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.lkcco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUzCCBTugAwIBAgISA+v/U0inXkElW9LYb6dZnJPzMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDExOTQ0NDBaFw0y MDAzMzExOTQ0NDBaMBgxFjAUBgNVBAMTDXd3dy5sa2Njby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDWkLB6Gsd8aPHBwmeupWgDSh2SWBw4zCcF Ppq0K886dt3rvdkYqeg1GE5Xn4eLp00H/QiYoPTMoqbJDWotHqqD/JK+OaOCRiJT GINP1bGorTQaambjjOTw0BCIiV0sD/+Vmq27HraIsStdVOmxUsJTk2IBn/0ZMNIS Svt85TNhmWH95l0GCdgwUhV1yhVAtP0k8+yQ5dIhcRz+mO5s4GyRcrZv1XBPAfgW C3LpH+hC4eDeS/CbMynQ3YEgJZNBOZD0Dq1Jjeotg2wT01isxxsKpSZZ0rCGyUlX mK3fnO6m3FHGt05NQzi+ObmLeLLecOMJVZ5CgyezmE7ajuSMWusu7UkfUkeeC+ES 6Nya0e/qJcounWlOdfCx/y04gvo3XWy/ah+wpPqwXpbT30sIJjgr5WbMbuLc3tea IvkN11Ql7RWoKdXPX2TKtQ5M7MWP1CceWkbDSmjil5qfJ4Zg1VziIwR+DBVDkC5Z ub/4jThfbFV2IiwfjNixbML94BtqaDHhSQT73tXe4jK+JH/bG0SJrI8PjU2ZQt4p uCHhiGR5kCDkpHWWAPUuvexaii9FjPMDtUZIfdee/N5lYiMQ4q8CSqILjvz4JM+w mfT6EIpIgk0z1t+LT5Flqs84fI6wESatbrGEBkSXDE/dhu/vrKIZDWMdz9LwBKga o/NtYxa5bwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTCYFLl igZ+38PY3e8HI7+L/Q6Z2TAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5sa2Njby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW9i2m8mAAAE AwBIMEYCIQD6nxwnwwBM2MNVGx4TvGyf/KTjhRtCTRVYNg9OcEWOPQIhAIc0C9zO 8ihJURGN0wFTiou5rumjGozFjVM2XlbCZ3JKAHYAB7dcG+V9aP/xsMYdIxXHuuZX fFeUt2ruvGE6GmnTohwAAAFvYtpvWQAABAMARzBFAiBWqpFcXNT5llI4p5m/a+sR i6njRleKARjgOLnK4lXP9QIhAMEzlsE5EAEAOtz/bhjkBqHyxrim3C3VDTSQ33OP g7iqMA0GCSqGSIb3DQEBCwUAA4IBAQBigXurdGBBkXzwrMIavPg4G+E1ALA9iVmq rHOzPis6qLhiM6vfr8T74+doWLQaY5O+Cnrwe9cu6qwp7u4wOOAyh/PdiPNp02ob 24xD2C4zBYfcGdPaaAyK+EQl3ZEDnoG6l8fmAXVHVT3JqBOKDap5lXhhe2gcqwji yxcC/p8l7UHanLdOR5uEl2HLTna4vHEVrMz/AAu0MygeZQOkRuTE0PBoVSqtlX7u ooK1uXRNRrjCHBcOUrWpVy69BuFR5MLFOANneXEsOQJ5Jkg0D+z1t8Kd6FHwUOct XZqr4C/aUqAyvT+o21vmV4127wUfP7S1JmfqykaGSgrwKor9ySdM -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1pCwehrHfGjxwcJnrqVo A0odklgcOMwnBT6atCvPOnbd673ZGKnoNRhOV5+Hi6dNB/0ImKD0zKKmyQ1qLR6q g/ySvjmjgkYiUxiDT9WxqK00Gmpm44zk8NAQiIldLA//lZqtux62iLErXVTpsVLC U5NiAZ/9GTDSEkr7fOUzYZlh/eZdBgnYMFIVdcoVQLT9JPPskOXSIXEc/pjubOBs kXK2b9VwTwH4Fgty6R/oQuHg3kvwmzMp0N2BICWTQTmQ9A6tSY3qLYNsE9NYrMcb CqUmWdKwhslJV5it35zuptxRxrdOTUM4vjm5i3iy3nDjCVWeQoMns5hO2o7kjFrr Lu1JH1JHngvhEujcmtHv6iXKLp1pTnXwsf8tOIL6N11sv2ofsKT6sF6W099LCCY4 K+VmzG7i3N7XmiL5DddUJe0VqCnVz19kyrUOTOzFj9QnHlpGw0po4peanyeGYNVc 4iMEfgwVQ5AuWbm/+I04X2xVdiIsH4zYsWzC/eAbamgx4UkE+97V3uIyviR/2xtE iayPD41NmULeKbgh4YhkeZAg5KR1lgD1Lr3sWoovRYzzA7VGSH3XnvzeZWIjEOKv AkqiC478+CTPsJn0+hCKSIJNM9bfi0+RZarPOHyOsBEmrW6xhAZElwxP3Ybv76yi GQ1jHc/S8ASoGqPzbWMWuW8CAwEAAQ== -----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 341642599594859455742373672968302676972531 . . . . . . . . [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 2020-01-01 19:44:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 19:44:40 +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.lkcco.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 875349616111602903523106169659692567255255801381459986134056800561510833602757937863672219186423764229099921456755406215765643144231618176120481392481914069944103398851655975928920267769782317985555015756135612149591845535673431956306071144154904490135360751693296586290019294858718752497996747656837081435460383271117825024268257985065502543447762743082828931284873526607374248517643727949880466065115995564129159734721769127817634773193232181955233280034282405824160142252697696914563380188882176272926176773315403482853574503748145823994932955133939287515958918277372266616804232920656355292692982681546063793203522583792374977428869649298338678932890589362856263844910660981165319249329935600310682624987884940959785170750636618224734268122502194078081728462845186059182658908994459528097510435197429913859708576363972084838831284310286209464511548061466827191031633684259016517964918043045111231622499389599184469899885837155771670395153403060614546030272381699906509358756551948787970351853053642332359203872039079516919313636260829807304066286441635083596807674678962882154887609052682442736108846526759660422059921777915062926468813500547682479753944685166981473715560396904527727695688467050476859211057652068282847471253871 . . . . . . . . . . . . . . . . . . . . [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) c26052e58a067edfc3d8ddef0723bf8bfd0e99d9 . . . . . . . . . . . . . . . . [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.lkcco.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) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f62da6f260000040300483046022100fa9f1c27c3004cd8c3551b1e13bc6c9ffca4e3851b424d1558360f4e70458e3d02210087340bdccef2284951118dd301538a8bb9aee9a31a8cc58d53365e56c267724a00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f62da6f590000040300473045022056aa915c5cd4f9965238a799bf6beb118ba9e346578a0118e038b9cae255cff5022100c13396c1391001003adcff6e18e406a1f2c6b8a6dc2dd50d3490df738f83b8aa . . . . [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) 0062817bab746041917cf0acc21abcf8381be13500b03d8959aaac73b33e2b3aa8b86233abdfafc4fbe3e76858b41a6393be0a7af07bd72eeaac29eeee3038e03287f3dd88f369d36a1bdb8c43d82e330587dc19d3da680c8af84425dd91039e81ba97c7e6017547553dc9a8138a0daa799578617b681cab08e2cb1702fe9f25ed41da9cb74e479b849761cb4e76b8bc7115acccff000bb433281e6503a446e4c4d0f068552aad957eeea282b5b9744d46b8c21c170e52b5a9572ebd06e151e4c2c538036779712c3902792648340fecf5b7c29de851f050e72d5d9aabe02fda52a032bd3fa8db5be6578d76ef051f3fb4b52667eaca46864a0af02a8afdc9274c