lkcco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9f:26:61:13:20:6f:8f:0b:95:a9:56:27:2e:33:5a:89:f3 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): 03:9f:26:61:13:20:6f:8f:0b:95:a9:56:27:2e:33:5a:89:f3
Serial Number (int): 315492768840280669749025942430143945017843
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:e2:55:32:62:98:1a:2f:a8:b6:10:89:c3:95:37:5c:57:cb:8f:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:36:12:2b:11:4c:d0:fc:fb:52:ec:b1:f0:b4:d3:70:98:91:22:63
Fingerprint (sha256): b5:91:14:e4:0a:04:ef:6e:81:1d:09:8f:2f:9c:f0:fa:13:f0:6f:01:ab:0c:6b:e8:4a:6a:92:4f:d4:06:19:7c

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 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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 315492768840280669749025942430143945017843
 . . . . . . . . [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 08:57:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:57:54 +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 766013057706392623198581379580540879405793890126679316428354344911299510270429887798797370231257229731465781787499877769653145732159919590493139647384982573182583942928398471436294685131013440455784901885795014870527239275143437542247676934723594945674440768516836952349567900595850924628300108182124973840090988183865265108146660877864946204105976179566021289138673146388108918826065331943724198939233898212231441383989868956194128321946131908873960097520096567632834929252391104823480718600144681718330909343740315809648773779256522810886860860688881539795586490672190368519203352576815486849749976601607603030364482642380384662264925757518944624949652571788721198683517775477309151983469463007312676922745052435709807907019199386614959228068504009884243191330302950724186205936009150583691217348544793356863219952018507404981423700589664483470323907677189991666593159247590714573570008267074773237084323956753955790567667060946544000076195209625096272085278330658775060657591095003456580267465858649029555233111200907399761543922054272937130796295161338469032659979083599888618108699146047386197667157718011070408538779560976386172652690933756166703430975478636896927809385253847523311502106825201325176346896510515006234065562901
 . . . . . . . . . . . . . . . . . . . . [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)
							eae2553262981a2fa8b61089c395375c57cb8f2b
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc48d8eac000004030047304502200d1c6905a5d425d148335d1d18877b5e85e8a9c0830186fdea6b90d71cbd4cce0221009f8c800b7a375e59193a6a2653d7afc91c8d555d9e67363fcd88b5ca091a9bc9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc48d8ead00000403004730450220480e45e687519884bf059f3a3fc10e329481a3edc3f7c7c941ef1c47266b5763022100aa52ea0fc4ac6466df4c0008f4a344bb499d9a1b3e38d1e9694e74b4f418e8e3
 . . . . [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)
		005fcc4a781c57d4a94c37f9c8a2dfefac97942e4000cd05fae7241bc39db9664bff93dfae607aa5e3e128c3bef64a50b7873ab4e925a204a5515d1195173690d0b64fcd055b7bdf38b195a81503a28c9b2a9351d35fa6989c5fff0aa0bffe85f8b15a018c66085987aa6b4fa2fca96a913c9795f692b62855763ad23eb8309cf07f58568661dc0f294b5761c0a63a63c299958f9aa280bf50e1465d58aaeb54c18261d12f22006573652455b79ca6a8ba8612427028fba2690b3497ecab43fbc99a93154a28963cb3e3599041acd30dbb460a77bea350f9eb3e5023207f5010d4a550dc6cc623102be8c3565411ac9fbd9c82323cf56d7fc6b538c9009dfe77a2