www.wukco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ab:3d:af:40:77:df:e1:e7:35:7c:ce:2f:fb:57:9f:30:7f 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.wukco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ab:3d:af:40:77:df:e1:e7:35:7c:ce:2f:fb:57:9f:30:7f
Serial Number (int): 406719421337786241532072045653700584091775
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 76:d4:a3:35:37:f2:6c:e9:51:47:24:74:e3:71:4e:4a:dd:d9:9c:2e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 59:6a:32:63:08:80:96:fc:17:15:5a:64:d8:d1:ee:8c:c0:33:ee:d6
Fingerprint (sha256): a9:88:6e:26:29:31:ae:8e:98:32:54:ed:fa:5a:71:8d:07:08:ed:59:32:b7:7c:0d:5a:72:df:31:28:bb:78:e9

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.wukco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.wukco.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.wukco.com

Other certificates including the domain name wukco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.wukco.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 406719421337786241532072045653700584091775
 . . . . . . . . [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 2020-02-24 08:45:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-24 08:45:42 +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.wukco.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 766646008298183880740927274675713113024793772120338296308948326897895713199658280998841358865250426296072683318297762425443757161367885769961685153270368721753493504567386513247050708499931453167456144695696952165438282572118867417470155092145504405608378818284326717550454053144324820331745990334129996722184318845395723313812052981001510451751098695531135573822678969953965577327514004968350746523281258315323136629353013035060945433130194210571136888700149530194768375013745704368251679243184053043137020940885385577769021396472173767726442011282647450034298787273785919182563500647799217326773861303972623979660372599073219522145031805537278154054094041155673431562930401034940070114230083913351273614841311407690760332713029427129233181434375713568924408026513651751223764438706666013867181462354291979224945949661425494874796368638819373796623416123534421802091402738442541518466529817698483636908437426525656877304141464342855970362441942765570028738644958986374402502295245984530708248975905452730722688139808036295293770328855217506133668814968912308217212202137409844726785103191118445781595883525484466267105434809197518145873574465707325902135437202007040121674387464783820833675315911065720107712769843993463735528913569
 . . . . . . . . . . . . . . . . . . . . [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)
							76d4a33537f26ce951472474e3714e4addd99c2e
 . . . . . . . . . . . . . . . . [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.wukco.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)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017076968b26000004030048304602210086b1733910d12055307126fff91aadaf3ebd6ddbdbb6106a7ce50d0d2cee0384022100dd4ba6150ac64036639981574c03b8ef71c81c148f4ce7736ceac22c2d214da8007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017076968b1a00000403004630440220145ad2cc12f448ac5ce380f8a62f1525ff2cd6971a6792252060cf2ccfcdd08502201529d3253869327828f99c27e40bf4acc1ef98f87252460ab1f6693e531d1a92
 . . . . [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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