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:64
Serial 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.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 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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