www.wukco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4b:bb:76:91:07:71:f9:9a:8d:d8:77:8e:01:ea:7f:b0:9b 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): 03:4b:bb:76:91:07:71:f9:9a:8d:d8:77:8e:01:ea:7f:b0:9b
Serial Number (int): 287107216582131474303109957823048231923867
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:76:60:9f:b4:fd:fd:69:fb:c8:cc:f3:c5:cb:c9:9e:6c:8e:6a:9b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 73:24:4e:60:fb:f7:c6:9f:e6:eb:21:7c:4d:11:bd:5c:85:36:aa:50
Fingerprint (sha256): 87:4c:8d:c9:8b:c7:93:70:f5:e5:1a:ae:49:3c:02:ce:3f:f9:66:15:df:2e:a8:a5:20:3a:67:d2:78:da:45:55

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 287107216582131474303109957823048231923867
 . . . . . . . . [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 2019-12-16 11:43:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 11:43:45 +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 862413028693468131403617916138402741624698907497586201623498820507667717029417407282596403298713723200995672612884920847876404417250892143214858372129259527470466166820990647508891602729435589227511570423740217886051272420170579523706197145641783191784357865760258975943976935621261141007953766605049166922141811864291578549907855160539598464972957940130388257344805581908360172353725385961289286773456613130137591448503959412906228168312681699261717457215313151683503896139410377593734117597233283522804642690107104652288060026206112466935445359602412442588579647693664365644210675015195432775142943552713543950633682806185206064390492992780440148168767828926378044299473934307456298937869078966041141584978449804432535613156479981676695036265472635933845592192490065138677790445407659517069575582083193834422146350535704507077659886873120763198032779584320184079574460095030707423800950452922340904137683760380123318429829523876935726102442930353855121979267992847025101811814807424270701645904825156465531138295565461369166438980949654923245789140904693140182297509902003490872703849673179555885419677765364023398070683498359746775463298557319776611307209215316624622165102030554250204833641360075133410406592495568846870154947777
 . . . . . . . . . . . . . . . . . . . . [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)
							ba76609fb4fdfd69fbc8ccf3c5cbc99e6c8e6a9b
 . . . . . . . . . . . . . . . . [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)
							00f000770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f0ebc66f40000040300483046022100b70f69583c47def0d5c5480b18bce0c89f27259a8218bba8db8d4cbf033c20b80221009055d17e38e2d55255b2cee072598f3caf3b5567e18cfb6af36584e6b077f4680075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0ebc6753000004030046304402203e0f88f9af75ea6733ce59caef85ba7184424a2a42ad5904370a2eb7725909fa022073986f78a13380e802f775e4667b590d218b51361f9a208fda0cc759232802cb
 . . . . [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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