lkcco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7a:e0:3c:91:9f:ce:13:c1:45:f9:43:22:ba:64:62:8a:64 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=lkcco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:7a:e0:3c:91:9f:ce:13:c1:45:f9:43:22:ba:64:62:8a:64Serial Number (int): 303149368122113013891173093910243119893092
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 98:44:e1:ad:db:69:58:93:e5:26:38:e3:63:03:04:e4:1b:ca:a9:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 94:54:53:b2:bc:90:e4:6e:cc:71:4d:f1:13:43:7d:b4:4b:af:d3:42
Fingerprint (sha256): cb:9f:13:34:8b:9c:a1:2c:9c:25:f8:31:d9:3c:b3:45:62:75:83:ea:ff:89:84:4c:e1:9b:93:fe:7e:a6:83:cc
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate lkcco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
lkcco.com
Other certificates including the domain name lkcco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for lkcco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA3rgPJGfzhPBRflDIrpkYopkMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDIwMDE5NTJaFw0y MDA0MDEwMDE5NTJaMBQxEjAQBgNVBAMTCWxrY2NvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAN5YBcnR30rQfRSkxzx89QRnkHWs4zHWmtwBk1zJ 0wFD+V5JRj6o8/4XN0YkBgGfwdwiw39DmTGtCYf2gI8jy+mp606gbisQweW1BZMR nB7lJ3nK79KWwqE/EXASrO8ufK+72skva0r29BOFiWHo++rPaSE4QemvUQW4RR4g uIzAdnhKTAeOFQXIXlHF6PlIy5DYm2JpaCzAq0NRLvA/JcPCQiYZVDzUJziWLtDY eHffwWQ6LezMRPQsPNDdWxjEj+c9ZpQ47X/o+1T0aQ4cdfvAncJoYKPaIoWN70vR d7jyPE/4RWOvIhqhaaAMfHag9mxfAItRArMh6xTMWLres0m6/NMqkk2YMJjm4UNa rCs2Pdf4vVZImR4upfMZahiHN6av9cHdjTc8vto5q6RRWoXtVXobBYQT+Hdx37+l YZHG4nFTTgp3PrliuSiA5/r4w7tGO24ybPabibAQCydX/V2BolgEj8tNxZ9Ccw80 n6ov3mtelllcd9e+BZLEgjgDEThEbcldYu1yEGC6tf3QZ4Sg059i+7Q3sXQ7pHyU GZPmUItmdc/RdDLNT+kBa2YQRJ+aGS3J1RKtUwv8SVMiFZ6Bth5280YY4LPbrUox ZgwybNfncSZVs+6eJ+0Lh4WvmLk1LgrSUcvJ25Oy+iDG0SpjFSXqjcQKxoHOeDJn LRK9AgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJhE4a3baViT 5SY442MDBOQbyqm2MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJbGtjY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFvY9ZjigAABAMARzBFAiEA 5aYeORzeuz0jBgUKtceXARFlBrEdSbIjqRNeuPVsNMUCICgSZKiwpVxrhRapQEdz ZIkcXEAHOn9h81WVqusQoLiiAHcAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFvY9Zj2AAABAMASDBGAiEAxDiuAuE6q73ROy4pg2Q5lr/Sx+uQki6w cDfQrXjnOyECIQC1p6Ehv8EQ9PrC9RZU27pcYdwnnsF13xiz+0GVJy0lbDANBgkq hkiG9w0BAQsFAAOCAQEAc4g6EvuAxHwi3oimhhskotL3MCvle0W8DBcx1pZ7Jr0A IFVA10pFxBxn9ht2KON5uhBP9SAh2zlbSvoBRkj64pK8v8V/Elrz5P2ulbFtfT3S X355w+aYZT12Tq5jvKmefck0hKSGaK6/XR7aVcYUT6sBDgMpe8BuNUjST4wuH9lL M1PruOTFmYBWS17KodRY+2NIofjTkUtS+kZ5moQQiiJDQjBTbi+vLd3AuUMcO5zQ o+CzynseQpxg3Lq91Y3POBXQ8NUmTkUwgQyT/RBYnKLb/8uQ/HgU2v1h32sZyzq8 sHcCB6eOdven6iOMrFH/HxJEVvOPvkIoQESMp4ZKmg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3lgFydHfStB9FKTHPHz1 BGeQdazjMdaa3AGTXMnTAUP5XklGPqjz/hc3RiQGAZ/B3CLDf0OZMa0Jh/aAjyPL 6anrTqBuKxDB5bUFkxGcHuUnecrv0pbCoT8RcBKs7y58r7vayS9rSvb0E4WJYej7 6s9pIThB6a9RBbhFHiC4jMB2eEpMB44VBcheUcXo+UjLkNibYmloLMCrQ1Eu8D8l w8JCJhlUPNQnOJYu0Nh4d9/BZDot7MxE9Cw80N1bGMSP5z1mlDjtf+j7VPRpDhx1 +8Cdwmhgo9oihY3vS9F3uPI8T/hFY68iGqFpoAx8dqD2bF8Ai1ECsyHrFMxYut6z Sbr80yqSTZgwmObhQ1qsKzY91/i9VkiZHi6l8xlqGIc3pq/1wd2NNzy+2jmrpFFa he1VehsFhBP4d3Hfv6VhkcbicVNOCnc+uWK5KIDn+vjDu0Y7bjJs9puJsBALJ1f9 XYGiWASPy03Fn0JzDzSfqi/ea16WWVx3174FksSCOAMROERtyV1i7XIQYLq1/dBn hKDTn2L7tDexdDukfJQZk+ZQi2Z1z9F0Ms1P6QFrZhBEn5oZLcnVEq1TC/xJUyIV noG2HnbzRhjgs9utSjFmDDJs1+dxJlWz7p4n7QuHha+YuTUuCtJRy8nbk7L6IMbR KmMVJeqNxArGgc54MmctEr0CAwEAAQ== -----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 303149368122113013891173093910243119893092 . . . . . . . . [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 2020-01-02 00:19:52 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 00:19:52 +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 '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 907083721076654893447884331616883510556860282903552116975174993878977304981925657039619113842997407710310131445557211381277746494578151460541342079143896509044382279915572083294612197770648425583342120893560136110466925102489063858113395993083431825501710861830739388339497092803044236714028238078416924906230929287013590870959493415945776107589793746016520246064493094702750434554119723276939892056758569892121696025198643086135295604709875241676091192966869028808611387435867956144546422648955269924752731172462896312774286365148593738730248681604706436444229298081867749437710025301273364947763848924119113389885385834253639916913206997729048070068443168841255528210733631407528771464530150939754784060329841534322565968432006225053157479406887859376451593494006110688666206386974632890572409462098720937488213040398350798553775869904557191047305982693281895426928269459854317703341948710791945813310018348968689718829123945750756361637743122248906741599032794661140697777013080962971144848838794098895171037219568561769847984803306932649505915203995587419461343617870579673559216543283995171506656150639418027871383393781960991774099532592434853944202618653239490041855030361690173909038037162953158843877067832750979065104372413 . . . . . . . . . . . . . . . . . . . . [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) 9844e1addb695893e52638e3630304e41bcaa9b6 . . . . . . . . . . . . . . . . [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 '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) 00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f63d6638a0000040300473045022100e5a61e391cdebb3d2306050ab5c79701116506b11d49b223a9135eb8f56c34c50220281264a8b0a55c6b8516a940477364891c5c40073a7f61f35595aaeb10a0b8a200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f63d663d80000040300483046022100c438ae02e13aabbdd13b2e2983643996bfd2c7eb90922eb07037d0ad78e73b21022100b5a7a121bfc110f4fac2f51654dbba5c61dc279ec175df18b3fb4195272d256c . . . . [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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