www.klgco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9d:d2:e7:0c:24:43:26:07:ce:0a:cd:cc:76:0c:d8:ef:28 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.klgco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9d:d2:e7:0c:24:43:26:07:ce:0a:cd:cc:76:0c:d8:ef:28
Serial Number (int): 315041526947819143148143611780333997453096
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cd:24:a2:90:11:fe:63:52:c0:7a:36:cc:af:9c:7d:ef:f4:de:0a:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 39:9d:c3:11:80:5a:0e:42:a7:41:57:6c:43:57:a2:a3:15:a3:eb:df
Fingerprint (sha256): fd:89:41:c7:29:1a:42:10:ce:06:d0:a0:60:47:d6:5c:f3:5b:97:6d:dc:b6:fb:5c:44:31:76:73:07:dd:ac:86

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.klgco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.klgco.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.klgco.com

Other certificates including the domain name klgco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.klgco.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 315041526947819143148143611780333997453096
 . . . . . . . . [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 2019-10-12 03:39:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:39:37 +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.klgco.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 783137143515801645869425667169622778613290282733094984072375708910228008004034260325939649605589976850970423281343836400488577777981627163237890041884670635865702114736995616241550373386528563099613878062281423499611743909371612213587189395064273126879027658656821737041762520921127404930058873848351953154255886666150453564689709934403940823897144468184060127122520836086384430492229068203625759311320047177172859471198141844588957671502332152978118245699297961297407717284556763983367525710899936990805001679461392753234835477724003045344448844484282785853110354280855722426353169753872730839363014533790520205578164012788283351608562922461751255253819332296956590406761271231312212789040144867042947991766881927991094614125816661297664869758024085462422951978308920246763275996665665206548838129386324639311528606192442372039974004035889411359249499133857211268509979675002068059069444090378445705564161960532510666716864523567354620061975328930164968915982678270670093561257713655817420288940201549050689384475344796216605883964181053317747274828781505823535323612410048787537574950394897742019474845231208812479634427962348119636853202358821296129263026329463804435557304967732627685676209385432791698326505073950589434485780159
 . . . . . . . . . . . . . . . . . . . . [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)
							cd24a29011fe6352c07a36ccaf9c7deff4de0a8c
 . . . . . . . . . . . . . . . . [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.klgco.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)
							00f1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe43cd8d0000040300473045022100ab108871e7b2efae485c31f21e3545ae4d75564c64bcc7893612dc9045704ac502201a6aa813f8501f26a8301d0479760d093f29ca5eee5220f7223342a2473632300077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbe43ce9f0000040300483046022100890f009c7d8afa7b1d14e657480a6f41acbf78891c901361ce13f2335e418dd6022100ba5c4c9d826acac9df156670f8661a0aa8ff69a180404b7ef56c4dbda3d02195
 . . . . [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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