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:f7:04:84
Serial 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.org

Check 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-----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-----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)
		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