www.kenwoodpartners.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:07:f2:ab:a7:a0:0d:be:25:3f:3d:04:ad:d3:d4:87:22:83 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.kenwoodpartners.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:07:f2:ab:a7:a0:0d:be:25:3f:3d:04:ad:d3:d4:87:22:83
Serial Number (int): 264041398821313231269921281435757227483779
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 55:69:e9:a1:62:22:99:1a:22:75:13:e8:f8:0e:5d:51:9a:99:4d:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7d:b0:6e:f1:0c:28:0b:5c:8a:b1:2f:45:f8:35:ca:f2:39:93:d1:df
Fingerprint (sha256): fd:ff:d6:3b:d6:24:3b:71:19:f9:41:d2:61:d3:ac:f6:0b:30:be:23:47:ef:69:a3:f6:8d:8a:5d:08:c0:e2:c7

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.kenwoodpartners.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kenwoodpartners.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.kenwoodpartners.com

Other certificates including the domain name kenwoodpartners.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.kenwoodpartners.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 264041398821313231269921281435757227483779
 . . . . . . . . [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 2020-02-05 19:39:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-05 19:39:58 +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.kenwoodpartners.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 721163089431862231048540432891567893911270641248592633493796176131473625723397066852461982270710853868393221897172309686482469531845302639424917321752757187205579774076262037455047432032513143843333486179732031359296678380574697698173054228847674174262480154451383279549819060060538144903240075746456308535594399655063135495482348040157251993261485453783764376601924917231912211140177493884719794432161180975713420108399917452042036078427366208872476188419661084663697686996433588031638477529686148019337756499276359422205230900787644895255905788258743764303036186865128030222770075451396359796923038612959456753737439834235646088062938273963206916613976928141049793965676225613358375664305805954445670877644029534433589861539418201649927368453598516099345909473048652707247926520029681310260349513648534769432443353830773152456856088618764040286806135903472608685287549993839306195269353935559306073354992185587967004119061208045314760593337135521513949956006490573462344982627878667252091860440792236189045470147784181384760925634892008550528237272648762462664269369264510202790416745513525338210022997416964161083678301613307070281203092719588246880660446813982793763099537735017197138806248409476903975153837362916112200953747781
 . . . . . . . . . . . . . . . . . . . . [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)
							5569e9a16222991a227513e8f80e5d519a994d58
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kenwoodpartners.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)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001701714b7e5000004030046304402207d71fc6d90fc4e56dec4dd67e956603c10bf53696b0b358afc1407267337fe1302200af1c1621dffe70b2ea56be1c917cdce6dfcfa98e9c79bfc593e822f99391d37007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001701714b7d70000040300483046022100a9b85717eb8faa6f6b4164cdd86e8ce8f175f0b8b09dee7f80b9a5129bdec857022100e4c4905bdf34fe97996c591db61591904e14612f979d8dff4335a6a2458f3c2f
 . . . . [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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