www.lkcco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:38:fb:df:d8:74:73:fd:09:06:fe:20:2f:c5:0e:5c:53:48 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=www.lkcco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:38:fb:df:d8:74:73:fd:09:06:fe:20:2f:c5:0e:5c:53:48
Serial Number (int): 280727468842221598961888276813008063976264
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 89:b3:e7:6a:3a:e7:57:e8:39:73:a2:2e:2f:32:c8:cb:bb:7c:8e:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:4c:13:b2:d3:8c:39:6e:7b:9a:91:34:6e:97:24:71:97:61:62:d6
Fingerprint (sha256): 2b:20:6b:69:06:c4:3c:f6:9b:65:39:e8:2b:32:84:6f:0a:94:48:cd:1c:44:15:0e:6d:1c:e2:58:df:04:c4:7e

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 www.lkcco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.lkcco.com

Other certificates including the domain name lkcco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 280727468842221598961888276813008063976264
 . . . . . . . . [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 2020-03-03 12:52:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 12:52:34 +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 'www.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 607304332764158677381151488182795678941018758793306127400877037604343995451447865719107681970842607887749300434488425940655369562681281212354476712254377554234065551009688341792304901610638694475793976573181667512116744707256749420981370074692408771080116087372998899199629221271415318195697576588367787616802492492061295728588911898199378344574309752051451322345710432843561386478122676044725604723094785139115800051411377876025704223649725334754245579956623583793587687506777229260262254981038756388283403951729247474082812036462993549793988040053216336131299966065131716563513231255007865488997407171826240902651351937360966063395761976591363888968811108516804235381220003572002367056879859507228427659078876372028715081007529782086027877379718776995343034049520250044010076773193624246166750366067437288532612732459714093989327719538832647459264962782118348351218009290683114457573979681087721934969362170160262468439229397195919720878910483839748478873343708688464757945876145675995080360950351232150050883856139833442531946180685433823223445852325201545140200235658809290450377435653808387534782046614666034299165467276423644098823970534381493684210898114083521940986787681381072892303768014915401950048477834594504277627372143
 . . . . . . . . . . . . . . . . . . . . [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)
							89b3e76a3ae757e83973a22e2f32c8cbbb7c8ee2
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170a0ab6e140000040300473045022100dc561d41aa380d050510a7b2f657243fad9a4c2131e179c2bb3bb15623d5fe72022017db2e7ae856ed329a28269c47b0f474ac271db80da626ba744d9fb561271677007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a0ab6e070000040300473045022100fb3a76d6b7e38ce103dcb37064efcd783bdabaa9dfe191e181cb1c4b8de400030220714ad37446a6a917235604f29c65cc4250335c9aec5ad56a429cf750043d3f1d
 . . . . [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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