www.lkcco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:38:fb:df:d8:74:73:fd:09:06:fe:20:2f:c5:0e:5c:53:48 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): 03:38:fb:df:d8:74:73:fd:09:06:fe:20:2f:c5:0e:5c:53:48Serial Number (int): 280727468842221598961888276813008063976264
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 89:b3:e7:6a:3a:e7:57:e8:39:73:a2:2e:2f:32:c8:cb:bb:7c:8e:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e4:4c:13:b2:d3:8c:39:6e:7b:9a:91:34:6e:97:24:71:97:61:62:d6
Fingerprint (sha256): 2b:20:6b:69:06:c4:3c:f6:9b:65:39:e8:2b:32:84:6f:0a:94:48:cd:1c:44:15:0e:6d:1c:e2:58:df:04:c4:7e
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----- MIIGUjCCBTqgAwIBAgISAzj739h0c/0JBv4gL8UOXFNIMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDMxMjUyMzRaFw0y MDA2MDExMjUyMzRaMBgxFjAUBgNVBAMTDXd3dy5sa2Njby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCU3LHGbRJEtnKaPxo7PwoS3GPhjiwvaWmL AKc+T8Rc4GycAFllcU7JKLB/D9V8soHzRtfCCRrz2m4pxerXuRDPp9CG2wGfMzcH zVna16vJuKqHKLwFrJCsg5qdVZ6Eu1x8IEVui0zIx8FA6ttvyYLZMciYhqBfBASJ blHqFCYPeymJEQXj2hSEaD0e39OxVLm5d2WBdu/bwgZxlBJzmf2H89kEAHkQsg5I BbGPJE417Wgk7qLEfYx6KlVv5+Jeu67pZiq3ouYfskkHSLZfFn8Wj99+QYWmdAtG DK80HkAQ1HBH/RrsuPBUL3HMbT9Hf0Ql+1/twYqsN0CGjmH5VbKq2okX/K2KV8Fd /ZbH0mFIFUx8HwYwoIPDvjWgmrjnyD/INKhyTeWx463XXSaXkyzItXGmCfcFtDVZ 0YqCbd9tSaDw418tloMp13XMJwfZoX+R1qmz+QvD1gR5873tekz2uMxE7itNeKFG kkGQ7lJOH2SmwrUsp8QXBkyiS4GvjpKzDYHjL0QXPa2Ly45hPZpbdaMywzO70Bbt oupZBBDQdXkznrUDr3DkaKZvHh2HaTeSOzojt1xPHf7WIDsYD8zmVPPTvFvDsdUC F6/5VenvMPI4J48heTe60luo2C3i4vjYnGRzl2rbrIliPGiQzhu/JCvC0gFL5PQ+ YAeUIVYCbwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSJs+dq OudX6Dlzoi4vMsjLu3yO4jAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5sa2Njby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAXCgq24UAAAE AwBHMEUCIQDcVh1BqjgNBQUQp7L2VyQ/rZpMITHhecK7O7FWI9X+cgIgF9sueuhW 7TKaKCacR7D0dKwnHbgNpia6dE2ftWEnFncAdgCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAXCgq24HAAAEAwBHMEUCIQD7OnbWt+OM4QPcs3Bk7814 O9q6qd/hkeGByxxLjeQAAwIgcUrTdEamqRcjVgTynGXMQlAzXJrsWtVqQpz3UAQ9 Px0wDQYJKoZIhvcNAQELBQADggEBAAvRik8Qjp/qqzZb+bFagwSCew7BgyLnmchO u+rGtsv7LH9dbUZ65GBE44053j2PRcecuajo9M1IpVgQtqMYYsueVTLMZOnABnUU 8aLT0v+7dXoHK8ZxaY8yglBenVBnfd5u4HpOenyMvZYsCjzsqiPhGcU5k+m450Bf Eue2hZfXhgneKLfDunyOWdGz3MeaPQY3WberyVqKed1yu1ngLmPhJu9BA4pkhd/y 0+JqEHXJ5newBmb5a/ZrfpbG6Zx+/b5RyiaTZNTDgPRd7fpyOtB5jly0GSJCKpJz vtR8bzWt55gQd9LWnFMTDVotBBnpkQ51ghldUFlw3qo7pN9TXsk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlNyxxm0SRLZymj8aOz8K Etxj4Y4sL2lpiwCnPk/EXOBsnABZZXFOySiwfw/VfLKB80bXwgka89puKcXq17kQ z6fQhtsBnzM3B81Z2terybiqhyi8BayQrIOanVWehLtcfCBFbotMyMfBQOrbb8mC 2THImIagXwQEiW5R6hQmD3spiREF49oUhGg9Ht/TsVS5uXdlgXbv28IGcZQSc5n9 h/PZBAB5ELIOSAWxjyRONe1oJO6ixH2MeipVb+fiXruu6WYqt6LmH7JJB0i2XxZ/ Fo/ffkGFpnQLRgyvNB5AENRwR/0a7LjwVC9xzG0/R39EJftf7cGKrDdAho5h+VWy qtqJF/ytilfBXf2Wx9JhSBVMfB8GMKCDw741oJq458g/yDSock3lseOt110ml5Ms yLVxpgn3BbQ1WdGKgm3fbUmg8ONfLZaDKdd1zCcH2aF/kdaps/kLw9YEefO97XpM 9rjMRO4rTXihRpJBkO5STh9kpsK1LKfEFwZMokuBr46Ssw2B4y9EFz2ti8uOYT2a W3WjMsMzu9AW7aLqWQQQ0HV5M561A69w5Gimbx4dh2k3kjs6I7dcTx3+1iA7GA/M 5lTz07xbw7HVAhev+VXp7zDyOCePIXk3utJbqNgt4uL42Jxkc5dq26yJYjxokM4b vyQrwtIBS+T0PmAHlCFWAm8CAwEAAQ== -----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 280727468842221598961888276813008063976264 . . . . . . . . [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 2020-03-03 12:52:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 12:52:34 +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 607304332764158677381151488182795678941018758793306127400877037604343995451447865719107681970842607887749300434488425940655369562681281212354476712254377554234065551009688341792304901610638694475793976573181667512116744707256749420981370074692408771080116087372998899199629221271415318195697576588367787616802492492061295728588911898199378344574309752051451322345710432843561386478122676044725604723094785139115800051411377876025704223649725334754245579956623583793587687506777229260262254981038756388283403951729247474082812036462993549793988040053216336131299966065131716563513231255007865488997407171826240902651351937360966063395761976591363888968811108516804235381220003572002367056879859507228427659078876372028715081007529782086027877379718776995343034049520250044010076773193624246166750366067437288532612732459714093989327719538832647459264962782118348351218009290683114457573979681087721934969362170160262468439229397195919720878910483839748478873343708688464757945876145675995080360950351232150050883856139833442531946180685433823223445852325201545140200235658809290450377435653808387534782046614666034299165467276423644098823970534381493684210898114083521940986787681381072892303768014915401950048477834594504277627372143 . . . . . . . . . . . . . . . . . . . . [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) 89b3e76a3ae757e83973a22e2f32c8cbbb7c8ee2 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170a0ab6e140000040300473045022100dc561d41aa380d050510a7b2f657243fad9a4c2131e179c2bb3bb15623d5fe72022017db2e7ae856ed329a28269c47b0f474ac271db80da626ba744d9fb561271677007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a0ab6e070000040300473045022100fb3a76d6b7e38ce103dcb37064efcd783bdabaa9dfe191e181cb1c4b8de400030220714ad37446a6a917235604f29c65cc4250335c9aec5ad56a429cf750043d3f1d . . . . [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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