www.twako.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:39:92:2f:2a:a8:f1:a6:6f:58:e5:3e:aa:67:86:ff:df:bb 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.twako.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:39:92:2f:2a:a8:f1:a6:6f:58:e5:3e:aa:67:86:ff:df:bbSerial Number (int): 280927264900357502962268626511704713322427
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 30:89:f6:77:8b:ef:bc:55:b3:40:24:79:dc:24:d5:d3:5d:5d:41:7f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e8:ff:de:f0:d4:f7:d0:45:cb:2a:f7:9c:8e:8c:7f:98:07:5e:e7:47
Fingerprint (sha256): a7:0e:c6:83:9b:c7:39:d1:2f:85:24:e2:42:a1:04:7b:fb:5f:d6:80:8c:3d:79:d6:d6:54:1f:48:34:22:aa:f5
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.twako.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.twako.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.twako.com
Other certificates including the domain name twako.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.twako.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISAzmSLyqo8aZvWOU+qmeG/9+7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MTkwMzU4NDZaFw0x OTEyMTgwMzU4NDZaMBgxFjAUBgNVBAMTDXd3dy50d2Frby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCxxZQGPLaqFvd189PfYERgXRt6/c76lej5 7pZ8x9+bdTrRuYNdtDl7CYMegi03xAIMeRePBmqzj6GcnxgZAr4W5EbfWSbvl6gQ OgI0tHhe0lTukES+mxpdTsy1lAIUQnFagFApWO86ta+xpR/kaPaW3HGamxcY1uHs wjGUbE2WWMYU0GLAiQCAw+0d9xQkyQXLtHACCCukO4R39uE9Wu6ZS2QcJugW8+WK liBxTW6RT+L2ARP4MMmGgCM/IV5dFUWuL3g1Gl7FptAddGpO0BTW7OxuB8V/3LDQ w2evlLZ9OJe3rAzBTNG1eyYTzO0RD3JGxPDJgQ+cPdTIBlsrX1VUAqPalV8vAT1S TvjAn9UXTiThCr4ppg6k9bF0o9b1kO3gbO1KFJLGNk1AMK6Zg6n8EskLGsCfdT2m 2ysq/WPaNwkLiLnm2RA+74Ygi3Lk5AxyLKfI5R9IXW1VYkO4PxSihM1IwAzvm0XW sHPr297VKSTCvhLciAaCFUysoG05smwY4JMmt6KKo+nyDGNQKmeXyjesnXWQwPzd IQhl1ijYND76Hps4c++dYklsdTrybGn6FD4NGZ1JFcH0zaVHuOms3Gc/fIFDivXh 5xg2IZLib3cxnCUPdfoleC6RBYNPmys40PuzFJ648P6gVIIr16XMmrirVmhblenC Ebp/1qtqoQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQwifZ3 i++8VbNAJHncJNXTXV1BfzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy50d2Frby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAW1H4w/YAAAE AwBHMEUCIQC2JP4BesY//v+Jgc7z6QWKYYvsiSocnItBzrARIDIYMAIgbQUOvUhu 96l/r0mpszN5Zn0pyzEScfLV7myUf565HhUAdgBj8tvN6DvMLM8LcoQnV2szpI1h d4+9daY4scdoVEvYjQAAAW1H4w/JAAAEAwBHMEUCIFbQYYkj0FjspyFKzeWDGbBc w0YeSqXPHZBVXuUK7XQbAiEAgPMlYgQaWDyQklxFYyzaSwKTlMdiIv/rsrVnK3PG s6YwDQYJKoZIhvcNAQELBQADggEBAG5vcmhG69qMP81gCJnIt+lUaHMGHi+kBawD 1v3eHAOHbPPyul2ZAyFtRUDnLJIeLOFbBxvaxkvGvHIZLyqzx2RNQnsg0AfiQ8A0 bRzZ0070Uq9bmhy30Y8jxrwi5binoKqzZeuMgB03Dfp/AOVqKlPVcyUeTR2kwHt6 iPfOaF9yV+JO67uX3tPqXpbY0o2GLmLHr6/L/DLqA/2EJJsaVRogIoAHr2LubVje 7lzA3YtF5yB8bnkNCFyKAxNKUcZE05L+V+CI9WeX6cD2dh02kwruMEnMFdG5jN2l XlAdqYFQlSSUGqhCjSzBonJ8evrNY6tVbQ7l+EDho/5oR7q9HLQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAscWUBjy2qhb3dfPT32BE YF0bev3O+pXo+e6WfMffm3U60bmDXbQ5ewmDHoItN8QCDHkXjwZqs4+hnJ8YGQK+ FuRG31km75eoEDoCNLR4XtJU7pBEvpsaXU7MtZQCFEJxWoBQKVjvOrWvsaUf5Gj2 ltxxmpsXGNbh7MIxlGxNlljGFNBiwIkAgMPtHfcUJMkFy7RwAggrpDuEd/bhPVru mUtkHCboFvPlipYgcU1ukU/i9gET+DDJhoAjPyFeXRVFri94NRpexabQHXRqTtAU 1uzsbgfFf9yw0MNnr5S2fTiXt6wMwUzRtXsmE8ztEQ9yRsTwyYEPnD3UyAZbK19V VAKj2pVfLwE9Uk74wJ/VF04k4Qq+KaYOpPWxdKPW9ZDt4GztShSSxjZNQDCumYOp /BLJCxrAn3U9ptsrKv1j2jcJC4i55tkQPu+GIIty5OQMciynyOUfSF1tVWJDuD8U ooTNSMAM75tF1rBz69ve1Skkwr4S3IgGghVMrKBtObJsGOCTJreiiqPp8gxjUCpn l8o3rJ11kMD83SEIZdYo2DQ++h6bOHPvnWJJbHU68mxp+hQ+DRmdSRXB9M2lR7jp rNxnP3yBQ4r14ecYNiGS4m93MZwlD3X6JXgukQWDT5srOND7sxSeuPD+oFSCK9el zJq4q1ZoW5XpwhG6f9araqECAwEAAQ== -----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 280927264900357502962268626511704713322427 . . . . . . . . [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 2019-09-19 03:58:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-18 03:58:46 +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.twako.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 725245628218831263327174208003278046577366301693148792445034913670765915625994704858925401285837980806625506062191057836224982584845657873494416425168609372654029451606007361421085788979571563514820832137946395343091182277479564405979496870658831986131912902824574310811248098060201366375445146136500646165931471637767953738287951955663428876596924929103753912249799362534106178193723423136620615258683407662525481367340643503314596752087684944147939728071148456809284311097295645918475428594592884792814471074820456216138087743123721630732206528364895584133159428843942928344082843904119828900472423793384501277937779877487907471102075159130689593425026342530594391926202478366352351462954439109668495856275099236847108500452220681858592218854592320998151403762431962449604768742954391819701802988763970796083962702026829736774408764067219162752637394198681864473907365806022306416602405236578078895318788653034448671501102722210952218177779079298998781951127319268983105190905257050256966263936658933597250191559914090041659812308175528510616240039115681848538185753045217965680751668209675190051723188725910987502865780928171727141392151466902021815130091204707857706256038120593118434614041841677760092839127740646867328721185441 . . . . . . . . . . . . . . . . . . . . [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) 3089f6778befbc55b3402479dc24d5d35d5d417f . . . . . . . . . . . . . . . . [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.twako.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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d47e30fd80000040300473045022100b624fe017ac63ffeff8981cef3e9058a618bec892a1c9c8b41ceb0112032183002206d050ebd486ef7a97faf49a9b33379667d29cb311271f2d5ee6c947f9eb91e1500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d47e30fc90000040300473045022056d0618923d058eca7214acde58319b05cc3461e4aa5cf1d90555ee50aed741b02210080f32562041a583c90925c45632cda4b029394c76222ffebb2b5672b73c6b3a6 . . . . [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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