lklco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:91:8f:37:10:5f:35:c2:f6:be:28:62:a8:24:3f:f7:04:84 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=lklco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:91:8f:37:10:5f:35:c2:f6:be:28:62:a8:24:3f:f7:04:84Serial Number (int): 310868166510603147027027151786487993271428
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 22:27:b3:a1:b2:bb:35:79:71:b9:83:51:a6:79:8b:9a:8e:4a:00:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0f:54:44:eb:48:1d:77:fd:b9:33:52:da:76:bc:cc:e6:62:c8:69:49
Fingerprint (sha256): 80:53:d9:ea:47:27:b1:fb:83:a8:a1:6f:8b:1b:0b:b6:32:a0:30:26:5b:ad:10:4d:01:7b:ef:5b:cd:8d:cd:30
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate lklco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
lklco.com
Other certificates including the domain name lklco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for lklco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA5GPNxBfNcL2vihiqCQ/9wSEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwODUxNDJaFw0y MDAxMTEwODUxNDJaMBQxEjAQBgNVBAMTCWxrbGNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAK4WEP51/vFUjAyJAea4FoivrYAOWkCrk9cmilTq x5gIc0GMV2GAT9MNQp0+C35bldwASywzj2t/cF55hxxArlHfaTBXD9wEDPn2AwGY 4FvVaayMo9kDBuWqwOGSe3DEJEfXrVgfXoYz+1SP0qGSLgCDacSSpW56NAnVzWb3 JpPZJ8qUB0LCMIOkHAJBaSoudjxEkazsiyQB3I1yw0eDFBfCwuxepws5caEuvIdR C83n+9m+Cifd7fjg6FEf6PbD+hy0mufUcJ+PiB1jc382CqczJdaTD4dwpb74y87j jekLDvQnkPVVsItAsyPk/tbcsU126I8lYPIxjkww8bjKWwBzVDDGfmgxs/mKtaUG 3HpUanJkIPDe4+iREpGf27Rls5eyijYCsb8/zFxAF3vEsBikWmT/O4oI91yKuGpu v+gssjPIi7TVI5M1A+XcbVQhK1tN3N4lVb4pWMOXIRwcfXsfJotHnG8Y7qEfQWnn +QOT0k7CQ4r6J9vudOU6d98Cr3c98IAHlDxxtKm2k2lXpKMKFsAaP1K3uDIu41pW Wij7sLHvifcOOZ4IOznHvv6MOGX0TOMNn6goUkZVzwPTa60bM3CDtH9nE4ZDQxgx nhPcLbhUaqTwBZ06u8UW6G9/jnBwKKoVPi6rPeC1vNQkPPd7QuL5T/ceKjOMAoFE /iY/AgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCIns6GyuzV5 cbmDUaZ5i5qOSgA4MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJbGtsY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFtxIfhxAAABAMARzBFAiEA 1tRzdNj93nooX1cx5st/fW4NYCQLQtEwlbIHVChewMUCID2orQ/xtRLO5IjNAY+o pOwz+5VSYUzwq7s9fyZk+B0PAHcA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKaw qKqOsnMAAAFtxIfipQAABAMASDBGAiEA6BV0Rj7jxbtdoXYn1AzmL0zjpm8N3WXE TWTOCRiUTj8CIQCNA9ASd4plc18QOSBYC5nk9DMVES+YU7KwjUrkwYji8zANBgkq hkiG9w0BAQsFAAOCAQEAlqGQu3fogPRb5ExWaJJXRkn/qHBvmW++DOOwkIMlwR5A m4hIPPQkpwhhG7L27leaeXG1/4BmlMjng/6s8NRg1VyvUAElysjwyUOEq/gbETDT VETx11mowAAzs3vK+6HEvLNZc5q5ldRL31zjXFSgrigsfF1vLtXabD9+l0hJXsuL wzSC0bQrA8gaWV7aLrLyyJeRTI/uWBaLhhABDPr2gOUqRz3ozDzC6T0L15hIlSAb ar4mkoSbbOJMasc6xPZGXafyJlNU0uuUUjqs24c2wWIbXEBeeYwT6bVVfaFn/+o4 Z4Pn9hXwU4gOqAHGKLSKyqe0WBJpLYnfhtF1TgkACA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArhYQ/nX+8VSMDIkB5rgW iK+tgA5aQKuT1yaKVOrHmAhzQYxXYYBP0w1CnT4LfluV3ABLLDOPa39wXnmHHECu Ud9pMFcP3AQM+fYDAZjgW9VprIyj2QMG5arA4ZJ7cMQkR9etWB9ehjP7VI/SoZIu AINpxJKlbno0CdXNZvcmk9knypQHQsIwg6QcAkFpKi52PESRrOyLJAHcjXLDR4MU F8LC7F6nCzlxoS68h1ELzef72b4KJ93t+ODoUR/o9sP6HLSa59Rwn4+IHWNzfzYK pzMl1pMPh3ClvvjLzuON6QsO9CeQ9VWwi0CzI+T+1tyxTXbojyVg8jGOTDDxuMpb AHNUMMZ+aDGz+Yq1pQbcelRqcmQg8N7j6JESkZ/btGWzl7KKNgKxvz/MXEAXe8Sw GKRaZP87igj3XIq4am6/6CyyM8iLtNUjkzUD5dxtVCErW03c3iVVvilYw5chHBx9 ex8mi0ecbxjuoR9Baef5A5PSTsJDivon2+505Tp33wKvdz3wgAeUPHG0qbaTaVek owoWwBo/Ure4Mi7jWlZaKPuwse+J9w45ngg7Oce+/ow4ZfRM4w2fqChSRlXPA9Nr rRszcIO0f2cThkNDGDGeE9wtuFRqpPAFnTq7xRbob3+OcHAoqhU+Lqs94LW81CQ8 93tC4vlP9x4qM4wCgUT+Jj8CAwEAAQ== -----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 310868166510603147027027151786487993271428 . . . . . . . . [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 08:51:42 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:51:42 +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 '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 710209720130627214225231304315542989872140096670518020324775068896440838317475684948503855546034392844156619324381503224754987339951606231320358077771198496861884564525335522446927341448881129053000883328538846181589322481975851210149372410550731107213036091936981108746627360868490794517480394599820897194158809862745883050494785863358824260818404355736324671763926223360545760746508122388659100557419518438158603368620989476252331012719300225131225885413592542013782721898909501481297160998333729044646324634159139296797842442850735721115440613710810991795796363031215927407878256732259163312013906745268211910797337230012509463981850742026561788379683090945608548599633874276009567751615385900963695125596832301302453317512278819414423931907008323085986793257137924349868906546304623578371086350821183829065342361807651311676133425259059976808963955273635672730521393938576435271567509800698334474981926771413259759271311526451543128139189600828663003784212195053279235479542085372879198037792123783267115304671788784229482389318527440887346804113252366239782210227835258058631104474104931924191550062979214714457105444485959691668234404425060104827808106489954493936952092297175608646229825654636582519429707493727325410358601279 . . . . . . . . . . . . . . . . . . . . [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) 2227b3a1b2bb357971b98351a6798b9a8e4a0038 . . . . . . . . . . . . . . . . [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 '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) 00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc487e1c40000040300473045022100d6d47374d8fdde7a285f5731e6cb7f7d6e0d60240b42d13095b20754285ec0c502203da8ad0ff1b512cee488cd018fa8a4ec33fb9552614cf0abbb3d7f2664f81d0f007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc487e2a50000040300483046022100e81574463ee3c5bb5da17627d40ce62f4ce3a66f0ddd65c44d64ce0918944e3f0221008d03d012778a65735f103920580b99e4f43315112f9853b2b08d4ae4c188e2f3 . . . . [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) 0096a190bb77e880f45be44c566892574649ffa8706f996fbe0ce3b0908325c11e409b88483cf424a708611bb2f6ee579a7971b5ff806694c8e783feacf0d460d55caf500125cac8f0c94384abf81b1130d35444f1d759a8c00033b37bcafba1c4bcb359739ab995d44bdf5ce35c54a0ae282c7c5d6f2ed5da6c3f7e9748495ecb8bc33482d1b42b03c81a595eda2eb2f2c897914c8fee58168b8610010cfaf680e52a473de8cc3cc2e93d0bd7984895201b6abe2692849b6ce24c6ac73ac4f6465da7f2265354d2eb94523aacdb8736c1621b5c405e798c13e9b5557da167ffea386783e7f615f053880ea801c628b48acaa7b45812692d89df86d1754e090008