www.lkcco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:eb:ff:53:48:a7:5e:41:25:5b:d2:d8:6f:a7:59:9c:93: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=www.lkcco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:eb:ff:53:48:a7:5e:41:25:5b:d2:d8:6f:a7:59:9c:93:f3
Serial Number (int): 341642599594859455742373672968302676972531
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c2:60:52:e5:8a:06:7e:df:c3:d8:dd:ef:07:23:bf:8b:fd:0e:99:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:77:38:2c:01:41:09:f3:ff:6b:8e:f3:c2:ae:45:99:cf:06:8c:53
Fingerprint (sha256): d2:b8:39:ae:20:6b:18:d6:0e:45:b1:4f:12:84:5a:26:cf:96:3d:b2:19:6d:92:d7:ff:4d:2e:c5:88:98:a3:d8

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 341642599594859455742373672968302676972531
 . . . . . . . . [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 2020-01-01 19:44:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 19:44:40 +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 875349616111602903523106169659692567255255801381459986134056800561510833602757937863672219186423764229099921456755406215765643144231618176120481392481914069944103398851655975928920267769782317985555015756135612149591845535673431956306071144154904490135360751693296586290019294858718752497996747656837081435460383271117825024268257985065502543447762743082828931284873526607374248517643727949880466065115995564129159734721769127817634773193232181955233280034282405824160142252697696914563380188882176272926176773315403482853574503748145823994932955133939287515958918277372266616804232920656355292692982681546063793203522583792374977428869649298338678932890589362856263844910660981165319249329935600310682624987884940959785170750636618224734268122502194078081728462845186059182658908994459528097510435197429913859708576363972084838831284310286209464511548061466827191031633684259016517964918043045111231622499389599184469899885837155771670395153403060614546030272381699906509358756551948787970351853053642332359203872039079516919313636260829807304066286441635083596807674678962882154887609052682442736108846526759660422059921777915062926468813500547682479753944685166981473715560396904527727695688467050476859211057652068282847471253871
 . . . . . . . . . . . . . . . . . . . . [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)
							c26052e58a067edfc3d8ddef0723bf8bfd0e99d9
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f62da6f260000040300483046022100fa9f1c27c3004cd8c3551b1e13bc6c9ffca4e3851b424d1558360f4e70458e3d02210087340bdccef2284951118dd301538a8bb9aee9a31a8cc58d53365e56c267724a00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f62da6f590000040300473045022056aa915c5cd4f9965238a799bf6beb118ba9e346578a0118e038b9cae255cff5022100c13396c1391001003adcff6e18e406a1f2c6b8a6dc2dd50d3490df738f83b8aa
 . . . . [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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