www.lkcco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:87:5f:0c:88:3a:b3:1c:27:00:e8:fa:fa:24:0a:4c:1b:f1 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): 03:87:5f:0c:88:3a:b3:1c:27:00:e8:fa:fa:24:0a:4c:1b:f1Serial Number (int): 307401319059827673306609234599249468726257
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5c:01:64:be:d1:a0:54:b5:1b:ac:2c:50:f8:cf:e2:fb:0c:81:d5:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 09:c7:ca:65:4b:04:87:db:5f:59:20:4e:c9:e1:e5:13:cc:17:00:58
Fingerprint (sha256): 10:11:d2:f7:59:6e:84:bf:ce:d4:6a:76:a1:99:c1:07:4e:ba:c9:1c:ec:90:c9:3c:5a:e7:21:4e:bb:21:16:63
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----- MIIGUzCCBTugAwIBAgISA4dfDIg6sxwnAOj6+iQKTBvxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwODU3NTFaFw0y MDAxMTEwODU3NTFaMBgxFjAUBgNVBAMTDXd3dy5sa2Njby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDJrPcn3DejChV684N+KxNVUSHv7HH0ODka Lb9CUCi4UaSfTpYHe/6GBbTyVb/WzmLjtxO8IOVfTqmb5YsJZxoq+9B6pWheh1J2 NZArTmLQ1naNCcufazZiFNfCMjiZAI0B08gAeUduHQhQLVO7BxStKWanhuNyMFtj UCk+fdECld19BWplzV5SAEx2GkoaowDVHkQl4a1Hh3AkkZuOZkmddtlb+X1MGfVs 1CQWU+Ne8STkm8qc521MfHEY+wyP7qopQzzyJjBJeM+L+JomPCugBzAslsJaxl3J AP7LMIDyp8gdGUsAjM/z6Cc1zbwedECjK+O5BKztnRxLyKSRxtUxHj5qSmftSoVN psKQsodP/rHHN9bXnpALl7YUj1oGhS2XD1nBbS6pgYyk5tMXDeEkbyF5zj7Zc+z4 n4iXAQI65Ngq8LLr/q5HHII5ugHbWISX+imVmZ0dwg++vyixGkbXJdKG9Zd0577v gx/YCvYYH7oZZGApOcpFaPLblZ9PFdYi+cu28lNZA9knsyCwBr3gWzFK1o/g9sYw Rm5kwxSJnAIuUFOKSExCf7Mlxm0VWl5LKdWhb7XKXkZftn7N97ib7TdEAPiLmeTh tSmHYywux38OzV4lCwCxLrFXyZg25uawCnGeudR6/Hjqxj8cMfZanz1VZ/VVroha 6fKCRuP4BwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRcAWS+ 0aBUtRusLFD4z+L7DIHVmDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5sa2Njby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW3EjYJ/AAAE AwBIMEYCIQC8VEAHhpnK5RudlyuWa8nMLcP/ybvhAzM/pgJA67buPAIhAP93+2Ze FeRzOxumIu9E01/b9+MWPfWK8oGEYOIn18a7AHYAKTxRllTIOWW6qlD8WAfUt2+/ WHopctykwwz05UVH9HgAAAFtxI2CuQAABAMARzBFAiAhsmxlfpeKdXYT8BSft8Qk iNHQAkmUo0iM0U5k3MDz/wIhAPqMoBsB28qR8Sj3bVowx0FoU6b4zYeMs4xEv0bi jBUFMA0GCSqGSIb3DQEBCwUAA4IBAQAJrJ7PtuJB/7W6tINUwyZ8jk6AU7AR1eDW uL2rboF/RZyz/cIPg0Ic7dqqyTVp8szHpYXucGqHdX+WGTgFL0ntUZpRA7Fg0Oot C5AHiPm00HzuKE8PQndF/vhGTz+k1vQcIA9oNuJhYVnjb31W38kFPfMcQgOXJ06B WF+4vzz8NczACuFMmwm/J3NrxJz3n5cTwa8GFYk17VkciTpDc++3KzVz3icRqJxy 32CIhqTM2efv4rnP8wNxmysbE9rxucB+yMJWJbHtB4xEgFf8yrSW3tbj56RmOzEH GJODZgh4TdxACbybj+Ii48UksBdcg3uHUyLS/oLX1+c5bSNKmxUJ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyaz3J9w3owoVevODfisT VVEh7+xx9Dg5Gi2/QlAouFGkn06WB3v+hgW08lW/1s5i47cTvCDlX06pm+WLCWca KvvQeqVoXodSdjWQK05i0NZ2jQnLn2s2YhTXwjI4mQCNAdPIAHlHbh0IUC1TuwcU rSlmp4bjcjBbY1ApPn3RApXdfQVqZc1eUgBMdhpKGqMA1R5EJeGtR4dwJJGbjmZJ nXbZW/l9TBn1bNQkFlPjXvEk5JvKnOdtTHxxGPsMj+6qKUM88iYwSXjPi/iaJjwr oAcwLJbCWsZdyQD+yzCA8qfIHRlLAIzP8+gnNc28HnRAoyvjuQSs7Z0cS8ikkcbV MR4+akpn7UqFTabCkLKHT/6xxzfW156QC5e2FI9aBoUtlw9ZwW0uqYGMpObTFw3h JG8hec4+2XPs+J+IlwECOuTYKvCy6/6uRxyCOboB21iEl/oplZmdHcIPvr8osRpG 1yXShvWXdOe+74Mf2Ar2GB+6GWRgKTnKRWjy25WfTxXWIvnLtvJTWQPZJ7MgsAa9 4FsxStaP4PbGMEZuZMMUiZwCLlBTikhMQn+zJcZtFVpeSynVoW+1yl5GX7Z+zfe4 m+03RAD4i5nk4bUph2MsLsd/Ds1eJQsAsS6xV8mYNubmsApxnrnUevx46sY/HDH2 Wp89VWf1Va6IWunygkbj+AcCAwEAAQ== -----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 307401319059827673306609234599249468726257 . . . . . . . . [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 2019-10-13 08:57:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:57:51 +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 822764854078673366971082146191885113300481935209815786540932316067753051766146838196018594643213086476848718928076887560051297255958826838390972686190757750469767088635459639982428792340422521390506880867748452801623772258742735443952425920241782271119767828702047138160736881822218644960527664020490255218598381601855134755642237120159610318382995427959030118599142634173229185862243707951313015900645249753609530884607418464234572497850194327634048013998997956671774295797579772440900967608434560006363803153562986629374564881158559034392686249666778279285434179217481193175862034672446038778255923915494255294301502324345365382025815018101432595170226925688721017849796000311456369153221148436239381850104247703456886249679186185975098850408125115103665507250811662035458908287401667627330344509662055113470533998422172955095794118140851340648724303019805976095515055038537578925502962274563687613477029790761951147753691335837652529298887929108007686658464853919114464142430920279105851627471618509092854428660107150417442134470078606161942994456755083894938611030072635985947281085207011085441787614720134887367793622749127947546855610013138220462003572004289821615925750444331459349406278555521585927326429203030707131119826951 . . . . . . . . . . . . . . . . . . . . [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) 5c0164bed1a054b51bac2c50f8cfe2fb0c81d598 . . . . . . . . . . . . . . . . [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) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc48d827f0000040300483046022100bc5440078699cae51b9d972b966bc9cc2dc3ffc9bbe103333fa60240ebb6ee3c022100ff77fb665e15e4733b1ba622ef44d35fdbf7e3163df58af2818460e227d7c6bb007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc48d82b90000040300473045022021b26c657e978a757613f0149fb7c42488d1d0024994a3488cd14e64dcc0f3ff022100fa8ca01b01dbca91f128f76d5a30c7416853a6f8cd878cb38c44bf46e28c1505 . . . . [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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