lklco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f8:7a:ba:c2:0b:1f:45:68:42:35:0f:aa:de:69:1e:9f:0a 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:f8:7a:ba:c2:0b:1f:45:68:42:35:0f:aa:de:69:1e:9f:0a
Serial Number (int): 345890020310043576932836180139976012242698
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 75:3e:09:21:90:1c:c5:3c:34:f3:87:47:de:8b:41:c5:99:18:7d:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:a8:b9:43:71:16:96:b6:b8:77:52:1f:2f:5e:c9:02:48:c8:9f:fc
Fingerprint (sha256): a0:94:40:03:e8:ae:84:50:f9:eb:12:86:7e:a7:8b:d3:3d:02:89:4c:3d:d6:5b:f5:6c:6e:a3:16:dc:11:da:d7

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-----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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 345890020310043576932836180139976012242698
 . . . . . . . . [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 2020-02-29 13:19:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-29 13:19:20 +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 673227566700994932498300882058425379865723943035511896194955087737755232748879937445525119655263533393535250853721210415742618182105526253740202255202745498201048096753171022730647631327015566898499919570189021472165480341790009168120455741421777630967176917505491402421882772599162756768127856492403643118344693408058822418408507448924352560354250598868892940744206557615523046091947912376196198185347979842191788152917878735610133019214793150045063647276560099104864586655425868522342997739917436321759124936847891368945746697469698905357573837178157460561339395752305702972741688129974175856864486306808484767279033011926169236985612078512691753317998608678522759658746705171508979412811191669693858496114831770364255807740827547306176042836835146052058234226154097406296887924179710102425861157108144617873660157434482464577058187768122270294238001717832465150178402690311343919445993106745615480898239061938555384566429794846646112947437602361967314509486616575913420521900020987317369991303417258925780530886206029282092272667029801652760430670531560586271954143477614116958915927203464838595327720707992784790024933058100856535698165958065834016903206775819636972931786559272546052252719949653038540010239364488481985006560793
 . . . . . . . . . . . . . . . . . . . . [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)
							753e0921901cc53c34f38747de8b41c599187d1b
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001709150dd2e00000403004730450220045f63c6a7ee67c491e2ed9acc8259454c53d3b0364b770b7bc62e180e89666c022100bc6f1a1a944dd251a1bb95b3b704de7b3b78c476f3bbccf749e8adae2258606f00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001709150dd560000040300473045022053ba606d753038f769d75d9eeb47a9f3e03999344e199948050d0c138f17cbf10221009d307b5d23022a5d5645cdbaef436b79c260671ea235a71232f37bc5301e6729
 . . . . [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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