lklco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:42:33:3a:5e:d5:89:d8:f9:33:2a:1a:04:b4:82:c2:e2:06 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): 04:42:33:3a:5e:d5:89:d8:f9:33:2a:1a:04:b4:82:c2:e2:06
Serial Number (int): 370975873648290514014529827747045423899142
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 12:c7:3b:33:a1:15:b0:1d:f6:d4:8b:1a:93:1d:eb:0f:fd:09:71:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:0b:5e:5d:e7:5b:df:09:fe:80:ee:d3:7c:40:60:43:88:f7:7d:cb
Fingerprint (sha256): c8:77:02:79:54:19:56:a1:83:c1:45:c8:12:48:9d:c2:86:fd:96:f1:87:4f:f7:42:ec:43:d2:3f:75:88:c1:3c

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

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lklco.com
www.lklco.com

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA27nko2lZ2pCyNGicta9F
XCWy44LD2G7rZ5TLIK3Wk02CkDt6BlvvoozdzQX+5riGb0wT31YPcEA80HpDMXbv
CClBZE8btgLBdIqaPoPAzSVtvN0imk451+LSfzo7f6FP92uN1usV2zba1/aZvWmN
nbei+aTGX7a1KExdqbuMxpQ0laJfe8KhI46VjSc/UOgMbzg92RuhM2yFRouTITMF
cBMLjY0WJP7h6CDtXUTGM71wlxyY+pFbBo221E5N/UXI0r2ou+KAQDvPCbmbasuf
7rJ1of63aXzsE+aH5utzBLS6j7e0TY1I/TkzOqGaL5PBBaueLwJ9rfwa31fo4beW
nvyqacyx29Fy7Ge4GK7AbfOphNkIghtzf1wvMR5oWjEl8e8b6nPoPkQxYhLkTirp
cIE2osPa4wI6WX/ZhkR1nLfswIuQRW41KRc3cy2DGoTo90bauFZGBPVY470h5LvX
6BCSYN6QctDWAE9bHHkE3ao+KXRghNF0DP25rlzGO0Y6pE2xVxrnwA4pJZmuVYQt
xxdX3oAllPkbHaMNTbq/wvYH1CwsY1KGfgGyyqsLlH/zmQGFXO79Vw5auD7soUo7
z7L8+z2fj65482lH0hbNHJ7AYXysFQbAP8UiU6g3N1SpcJqRjGYQzPlGeUXgbjLO
bj3b4NnqxOeBrNpuVIFM+MsCAwEAAQ==
-----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 370975873648290514014529827747045423899142
 . . . . . . . . [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 2019-12-31 13:42:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 13:42:57 +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 896404464013670954903076921315454588689852107002727504175735560098139520469593810592900595912432929328491765036676845035170505609617969307600740948468939022682188481297221308845334128682114297706005831012832084679319502280749314618430634000277040616449262150533013085428937759376433003494938750353858154424690530447964354340031940721557146386418002508939108521222471719014672928251296511883372181200314334479529599896392625735942860175164856615809680579821716781615692296230553216110139632270241086870716915393339715749785499572690328842942342322366965510476901093981027001019341489083648915361856668115668991608463199720519373985147660898080336643095655125615750016303016641713632346893344291842384273033912367593016523504102623052313604170994915467119559927902591874656635281730478668405075357143132986770276542083428637090330498442268597929611548881437282455421355737064736073207510660287057355170300494168528519879567610310122859159906538276236934160214309755949479697370460482319866730416458588082908928424100615892077406110995489231051266122185743313144856159548097082316473578788837949965110403851053126741802238679307670488361753781934666507437309100507235166066954563140942119653101751658174346717488054536024297943753095371
 . . . . . . . . . . . . . . . . . . . . [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)
							12c73b33a115b01df6d48b1a931deb0ffd09716d
 . . . . . . . . . . . . . . . . [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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f5c68ea04000004030047304502200087b5ac312f8c2d03d6fe1b058c4caf3a332d50999d53af7f466230009099b9022100aa125a4f45b83d319434bf7dda4b716e297c629c3f1fd9927715e1500707e485007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f5c68e9f60000040300473045022100feb41cfbce227aa88078cbd5acd8cb75a08ce90a8837a8727057de6177cffe720220396278e8a76a1fc5966fd1b1791ea8ae37d470311b5fbf792779094e3790b9c9
 . . . . [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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