www.klgco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:58:c6:f2:f1:84:4c:ef:61:9c:3f:d8:b6:7a:3f:ea:fe:ef 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): 03:58:c6:f2:f1:84:4c:ef:61:9c:3f:d8:b6:7a:3f:ea:fe:ef
Serial Number (int): 291546154661871145682674338536381777379055
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:d7:01:de:77:2d:ca:da:8d:ca:ba:f1:7e:fa:7d:f5:09:5c:cb:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 73:a2:ce:8d:92:03:e9:17:af:50:ac:29:28:c0:3c:00:11:eb:c4:6e
Fingerprint (sha256): f5:1e:b7:0c:57:45:23:8a:1a:35:ca:b2:3b:eb:bd:41:48:3c:c5:67:5c:eb:78:61:27:c5:d1:9f:33:45:fd:db

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 291546154661871145682674338536381777379055
 . . . . . . . . [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 2019-12-19 00:12:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-18 00:12:33 +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 856186605362119584087327262262187921704318292406860768934282683286438038573157078686364948276878075461578986501521319195488008062308290721685646615115208953580790925999845144203982373989279702801969136018372081756864738240661508127053726107084247320665726354318343851553398159755815955045438173424599214474400165382210971082392197206255604141977919765240851132840356244366552693980569509994469045107413030563799805089301502047473627881893129469518126154081343602038688574234506714375077351271378916618164573393336526845098817647652529510256893110192353027172789660442258542071505341089069265122388616102553394815038771238465470251039894030783602761004970596508352541617325337108508858907440518971177626985773672376841302403683371976772033023220703045678313183856494512785442293694594836974462661467916424930099343321265431283946699257294456789121697405417648653355328677423412513425410949232423466216740062656240893523219780113203638377900340611700539961450039542497313046583052978760367295582047223268897679391660265502443039295582734647405145090557201175599868832738185829662692792541565389570519909630320053549727448265137954291675896076319077503022330025867856937206202169749164782586284933316988436510367572671407047010842818311
 . . . . . . . . . . . . . . . . . . . . [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)
							80d701de772dcada8dcabaf17efa7df5095ccbcc
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f1bb6a9c9000004030047304502200bab8a328680f5feca03d9405bfd0fd80a90b8cdfa6c4604381c65c7835c00770221008c17b1f6298038aaafb452c958c1463d39d17a36541d4d6aa8f20077ad4427c500750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f1bb6aa0d00000403004630440220627982081e00ad52206283aafb2696d2ab42780d5eda829156ad66188da7d41a0220515ed206741e386c5724fb3d5488876adf0b169f4259294593b767ba34e8ecaa
 . . . . [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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