www.lklco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:aa:04:ea:68:2f:9f:1d:44:39:de:a4:c1:7a:93:53:93:cb 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.lklco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:aa:04:ea:68:2f:9f:1d:44:39:de:a4:c1:7a:93:53:93:cbSerial Number (int): 319191394194431881457345012190806868726731
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 03:a7:0b:97:e3:28:4b:21:83:49:2c:67:42:3f:35:10:91:cd:12:cf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 6b:63:80:c1:ff:4e:8d:24:34:4c:81:f9:89:92:a8:d8:f8:e0:cb:a4
Fingerprint (sha256): fb:49:f5:d9:2d:48:60:09:6e:21:ab:55:b6:e1:e2:dc:da:7d:ef:bb:11:8b:0f:a7:8b:35:b2:d5:38:e0:2f:23
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.lklco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.lklco.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.lklco.com
Other certificates including the domain name lklco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.lklco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUzCCBTugAwIBAgISA6oE6mgvnx1EOd6kwXqTU5PLMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDEyMTQxNTdaFw0y MDA1MzAyMTQxNTdaMBgxFjAUBgNVBAMTDXd3dy5sa2xjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDLBjZPP3GW1gsLK6RXKDxSbnb7K0lDzJDz Ybr+AFcVGkQcNeofnwwCY7GPuPsPM6ktlSrDeoYVcdzOrntFNQgpflcGlNbzACvU JbqlSOKBpEYkk6Eac82WwWU77ydcnL75bojiFzMA/OvNODK5dNtxiEwJF6uIoZNm fNAe0oJ1l6tmtGIaLcYGwS5bD1tSe3wiJc0kmIPKT7YF1U0TpmBD6Os38rZVzXvB dU152530cUm+4Li5N7+UL3mXEaCvvC1lwi7Ngc+lv0/MpV1cuUfzS0pPGh5VnAZt qF3Pjrp/mKc5H/JjMmW4Wt0ieldwiGCAC198MEvBXvPaljoMJID0e1jslt/bKO/a VZ8+YQzXUS75fC80H2lUXEp8xgHtEMfG7PgKvWL6LtjIO8sXb5RyPMWYiBj0hMig 5eDOS5oIJXFlTJuRIlX1c0dKm6lpiW+i1auOieLVxzyJHtnhBFnI/AI7H7weOz6k r3/KfMNVhzygIoZ5lo2d5sHse57eX7IoeCiVPGAhVe5IQAn2SY1quHM5xVAQazNo XnFS+La15a9vrw0ACAtAqb1tp8b5ifuR6HCu+20jgrgmXNOIIrabp+RJKj8EMWiO Hkzbg/JHPdmioKTpE/uaJ3mLxqw089jUcDwpK8I3r5lHVmNmH//5CdnZidqKia7h TX2hGCLvVQIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQDpwuX 4yhLIYNJLGdCPzUQkc0SzzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5sa2xjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAXCYQ2JvAAAE AwBHMEUCIDNUi30VGRoSd62a4EFhSi2cIu5eBTIi4jjFypcc8hNsAiEAm4y3bDAP N3ws2xjYEBd4VzcV5lAGbBiWGv6PW/R5gtwAdwAHt1wb5X1o//Gwxh0jFce65ld8 V5S3au68YToaadOiHAAAAXCYQ2KIAAAEAwBIMEYCIQDk6aGQyrXXBgu1Up6P4r11 VcPA8FWokGD3H0g7FJtWoQIhALq3UKPbUOiz33tLbjUjTnjmQcMWScjHu+QcOKuM GvZhMA0GCSqGSIb3DQEBCwUAA4IBAQBPG90E31Kt/TM7cwN9e9SvgBxjz5kwFM83 eBTe4PV4ftHIFSmlca1Ih8VvP5V5IXkOE5+EUQS/p/TakwEB/yARacn4V8yfGXNH ZuatKoRX0SUKps4G/vwjb7XFVYt6adckJdr9hb+cJhjmTxPw3WRjWP5PfqNbsQ9b 2lKZn9+OQSF6wWSTb4Vf1i7cJEbs8CaGmO5ze/Ny/vbCinDeRrgZ8dGY0XkiCk6Q 63OYXkJnOpVRUo9uOstbbl29kU9UCYrpG+9AZilxSXsoMfppeLCpSozucDkX1RuC B++xtg3zGKKlhaqHn+V+WPmsllToC0n6HJhpo/zKacESRCdOxI8O -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAywY2Tz9xltYLCyukVyg8 Um52+ytJQ8yQ82G6/gBXFRpEHDXqH58MAmOxj7j7DzOpLZUqw3qGFXHczq57RTUI KX5XBpTW8wAr1CW6pUjigaRGJJOhGnPNlsFlO+8nXJy++W6I4hczAPzrzTgyuXTb cYhMCReriKGTZnzQHtKCdZerZrRiGi3GBsEuWw9bUnt8IiXNJJiDyk+2BdVNE6Zg Q+jrN/K2Vc17wXVNedud9HFJvuC4uTe/lC95lxGgr7wtZcIuzYHPpb9PzKVdXLlH 80tKTxoeVZwGbahdz466f5inOR/yYzJluFrdInpXcIhggAtffDBLwV7z2pY6DCSA 9HtY7Jbf2yjv2lWfPmEM11Eu+XwvNB9pVFxKfMYB7RDHxuz4Cr1i+i7YyDvLF2+U cjzFmIgY9ITIoOXgzkuaCCVxZUybkSJV9XNHSpupaYlvotWrjoni1cc8iR7Z4QRZ yPwCOx+8Hjs+pK9/ynzDVYc8oCKGeZaNnebB7Hue3l+yKHgolTxgIVXuSEAJ9kmN arhzOcVQEGszaF5xUvi2teWvb68NAAgLQKm9bafG+Yn7kehwrvttI4K4JlzTiCK2 m6fkSSo/BDFojh5M24PyRz3ZoqCk6RP7mid5i8asNPPY1HA8KSvCN6+ZR1ZjZh// +QnZ2Ynaiomu4U19oRgi71UCAwEAAQ== -----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 319191394194431881457345012190806868726731 . . . . . . . . [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 2020-03-01 21:41:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-30 21:41:57 +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.lklco.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 828266743259413468465479646800875352380642061685230357466025419645247932984587308772732716850547489271853008706826454160269098983170093108554435249936526975122247476782553610735952689558189941929410128836686565185387257099808218944964394399419285550984361874680779685705027096508084486966275086904570748928327295311664278924229503274513873885374352860934242328909891205488219953579132340722039586139664608306412038346243016152048062885770112711607237666023937978506438974139290596479619309236364472336578735857903181988034101861790316483285200593939948559392067378062562860114193425354329640148081150933073006637654681205503925802480665418615636415795019320042324435200042377357532731175777847120433378106657431763057376068943229639910324465447427401516124513142427859639911798231700424079969071802148716200979587379080409058344478486642357154170360477189131303785780622438175359862471748588625231385920515813515990029650816269526028432885726733839531284645446827257703087256131268750645145712149289908842632421778462523206800469204799589880844235615608035015248601741017863243916861914702069055230760865618002847729146233657497214070045682384128870543722758269848491626122047217208327903417668579947723995574703601220263194327707477 . . . . . . . . . . . . . . . . . . . . [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) 03a70b97e3284b2183492c67423f351091cd12cf . . . . . . . . . . . . . . . . [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.lklco.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) 00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001709843626f0000040300473045022033548b7d15191a1277ad9ae041614a2d9c22ee5e053222e238c5ca971cf2136c0221009b8cb76c300f377c2cdb18d8101778573715e650066c18961afe8f5bf47982dc00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170984362880000040300483046022100e4e9a190cab5d7060bb5529e8fe2bd7555c3c0f055a89060f71f483b149b56a1022100bab750a3db50e8b3df7b4b6e35234e78e641c31649c8c7bbe41c38ab8c1af661 . . . . [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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