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:b0:9bSerial 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.orgCheck 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----- MIIGUjCCBTqgAwIBAgISA0u7dpEHcfmajdh3jgHqf7CbMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYxMTQzNDVaFw0y MDAzMTUxMTQzNDVaMBgxFjAUBgNVBAMTDXd3dy53dWtjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDTZOk9zIDkgcLs3EuFzXaPbdGivczg06S4 ENjdxqxAETsRx1CsnhKtBxt3UA/xfH6NDWMtreBCJ6EvVyuWH/iOsvnID8T3aroD Aq7NO9rRcPPMI5OJfhfCqYPeNvzc+G447swQxVp/a0nO2FLr5bGVq92iTswVJfG2 ZeoH2KmZF39UdQhMR7kmTEviztfnJOT2mucjPualGdl51SSfP1ghEy+jfWYrSmXh VPyPsidB1ROxTSygrKt3nxFQj1Bmo3wkXRvf/rIpM5uSGPixbPk1UQRl6alo3LVi r2+E3Bt51jFe7lxg4dvwZDdv8zTKZFK7S3O3uWUfALIPWzCmE0CQU4X45TrCbQg4 OGRyNDELbgKsdlHNcnbydgqP6/EIYBzBeN8NBQgFvW/NCGl3v06/c3M6T029NpgZ WptLZCPsoIdL35kpTxJKOIhIYJ8TREPSfO6BcxRCMKd8UUfVNVaEEOFAwP0mHxcX 2P89APyuZYU3IqECo7goAL9T38GMpNlq0scFIY+eU2yNwEMZDCLrXT6GHQB10Vr5 ubychjO3QqaSM4xvDGtxfuIizPa2bLsJ7h4XqHKz0XwJF3G9iaeLhDxkCUYFqu99 hUlUmHOqlv3WvSZo5oE1DLU2tEkPaL1DiqUdf0ohdGm1OH5YCd6+OWjAx9Y2WsMs yWQ0jYmswQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS6dmCf tP39afvIzPPFy8mebI5qmzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy53dWtjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdwAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW8OvGb0AAAE AwBIMEYCIQC3D2lYPEfe8NXFSAsYvODInyclmoIYu6jbjUy/AzwguAIhAJBV0X44 4tVSVbLO4HJZjzyvO1Vn4Yz7avNlhOawd/RoAHUAb1N2rDHwMRnYmQCkURX/dxUc EdkCwQApBo2yCJo32RMAAAFvDrxnUwAABAMARjBEAiA+D4j5r3XqZzPOWcrvhbpx hEJKKkKtWQQ3Ci63clkJ+gIgc5hveKEzgOgC93XkZntZDSGLUTYfmiCP2gzHWSMo AsswDQYJKoZIhvcNAQELBQADggEBAB+k/sKHAJylUZ98ikbEAXlRQ5OaZ41RXxZ4 LWLV6aGSPzDyQw2p4Ot+x65zZE1Lu/uMOIZi63D7RBBESrNhG1xruIgtjU7yhLN3 5407CslSxEICEeNsIz+vJJzNXqINg4CbQfHTKpyVXLAAetPvMJaZ2jn3J7iTeHeJ F5S5Uk5ybfiCowHkXVoAHxaB1ubtD4Xlw73kZ/VHYr0AGqB1oom0y3DvHXhaB7TC JesGozBRdIfJ0GmGvopf7VDGBG6eOz6cT2pZ7l9mSGz8BgFn3wHTkjoS/dl0dc7s S25r3+BcnUFkDbOFt1Ciaa67LJOnadBw6S1YEg54NrQkesNdMA8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA02TpPcyA5IHC7NxLhc12 j23Ror3M4NOkuBDY3casQBE7EcdQrJ4SrQcbd1AP8Xx+jQ1jLa3gQiehL1crlh/4 jrL5yA/E92q6AwKuzTva0XDzzCOTiX4XwqmD3jb83PhuOO7MEMVaf2tJzthS6+Wx lavdok7MFSXxtmXqB9ipmRd/VHUITEe5JkxL4s7X5yTk9prnIz7mpRnZedUknz9Y IRMvo31mK0pl4VT8j7InQdUTsU0soKyrd58RUI9QZqN8JF0b3/6yKTObkhj4sWz5 NVEEZempaNy1Yq9vhNwbedYxXu5cYOHb8GQ3b/M0ymRSu0tzt7llHwCyD1swphNA kFOF+OU6wm0IODhkcjQxC24CrHZRzXJ28nYKj+vxCGAcwXjfDQUIBb1vzQhpd79O v3NzOk9NvTaYGVqbS2Qj7KCHS9+ZKU8SSjiISGCfE0RD0nzugXMUQjCnfFFH1TVW hBDhQMD9Jh8XF9j/PQD8rmWFNyKhAqO4KAC/U9/BjKTZatLHBSGPnlNsjcBDGQwi 610+hh0AddFa+bm8nIYzt0KmkjOMbwxrcX7iIsz2tmy7Ce4eF6hys9F8CRdxvYmn i4Q8ZAlGBarvfYVJVJhzqpb91r0maOaBNQy1NrRJD2i9Q4qlHX9KIXRptTh+WAne vjlowMfWNlrDLMlkNI2JrMECAwEAAQ== -----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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