www.twako.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:82:a9:59:81:48:bb:7e:01:36:ab:23:a3:8f:97:d4:57:dd 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): 03:82:a9:59:81:48:bb:7e:01:36:ab:23:a3:8f:97:d4:57:ddSerial Number (int): 305798669762904093171603282591038414542813
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: e2:f6:dc:fa:99:ff:9b:6b:c0:d6:61:5b:4a:0e:e5:0f:04:0d:52:e6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:51:ca:48:7a:8a:66:39:78:ab:a5:6b:aa:46:08:f6:01:9c:0b:5c
Fingerprint (sha256): 7b:93:a1:c8:08:f8:b4:ce:0b:f4:ca:ca:c3:21:92:3f:13:7a:a3:c7:a4:a8:42:d3:76:22:1c:6f:c7:56:69:3d
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----- MIIGUDCCBTigAwIBAgISA4KpWYFIu34BNqsjo4+X1FfdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MTcwNTI0MjJaFw0x OTA4MTUwNTI0MjJaMBgxFjAUBgNVBAMTDXd3dy50d2Frby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCpsoHAZDRHx+hOeHEiDyX94hmw8Vn3zdUn h/AdlfPRrrWnxN3KcGs3k2T+9L+BXmlAs6K5R+za5nybrXyEUauttrNpxykifhd4 +CN0KSJRBj6g3qvEZCpNReA0j5ap8/51+YoPvDzg0N/fuSo4nHmmeGvL1b1254Ri X3nOnIR1Npt5EltEkGxNe7Rwg04nyW43oYtKr8wvlcDHNgKhH1932VjKUx+870JQ hd+e7VwZZ5CMJ1RmHU0XCdcBZCb/hAk57xRwI2c3GfixhGVI5oTT0/gnzur5Op/G fD/CbaxgpoxYAZyGiHA0PDG9iB4Tbi//hcqIB0N6IT2CcHho7kXQz+vBSt5aLDap t+SJaIddqO9R9NdA1z7R6t5fB11p2tDNW8Urzi3zQXbMWrngozI4V4tIeNF0qRUo oYwQ0y3GO4WRfoxg39Y1gwmyz6Ypdt1YK8MvLKbNlO58fJh7xlQn01oPeWOBiiC8 CvsSKkqFEptcsshcnthZ2sbL+wcG2dEBaaLIRpraE+xDtu8WqP7girqURKvLIpD6 Xfr5DhimkNKzkTQTVD6dzBiw9OKQOs2VRzYjl8/gi78Z2uoh2JIfkEqQtvMB/xUm NdovwBfobXuhTBgTgUTXTNe9vPTiZyikKEcEF2incQe/WKCXRKLzX43HckW1DQsy Bo4Z3JuMAwIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTi9tz6 mf+ba8DWYVtKDuUPBA1S5jAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy50d2Frby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEEAdZ5AgQCBIHzBIHw AO4AdQBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWrEdoWNAAAE AwBGMEQCIGpNbQQi/+7Zol5TIdYMkDoFkG9CDajd5Kg0XqVpr41/AiBvuSfsLAKL WtYDsC1UxjdCu9LkvNKdaW+XTWatgOoeXQB1AOJpS64m6OlACeiGG7Y7g9Q+5/50 iPukjyiTAZ3d8dv+AAABasR2h5oAAAQDAEYwRAIgAI7r55TlIXkkd5esEicu/CC5 FYY4a2cRFio48MQOYzECIE9w37ZHrx5qLrdPM8PLLkzmOxLMXHpys/6zjHzIZHFZ MA0GCSqGSIb3DQEBCwUAA4IBAQCcLCApvj4GETMwYaJCz1rZOjkFuNESCvc3CYR0 TQ3qUDEYCkuIM8xUzgE1BVZv0QTPclIA15uolPndlL7h2+5Xb+KH4dIQ2XPS+t9E i/0Yk5jpfMWLZz6eS9X0Co9CFTlqvSKySJKdf0oerZZIL9Imte9dewX+yEuauziD 2BorZJk8ga9lQoQW9pyeLNhtYMo4rwcwpozHg24iSQFimernYO0PaUs+LDksOPnO q9ccwgfTPl2Swwt/L39GCExYsjzgWXFuIP9nFc7MT+mtQRv5hEZqNsaSv4kOo4QB utF2Gkn8OdtKs6QknIIzOmCFvh9+nHju5rylwkAGZX4BNB/Y -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqbKBwGQ0R8foTnhxIg8l /eIZsPFZ983VJ4fwHZXz0a61p8TdynBrN5Nk/vS/gV5pQLOiuUfs2uZ8m618hFGr rbazaccpIn4XePgjdCkiUQY+oN6rxGQqTUXgNI+WqfP+dfmKD7w84NDf37kqOJx5 pnhry9W9dueEYl95zpyEdTabeRJbRJBsTXu0cINOJ8luN6GLSq/ML5XAxzYCoR9f d9lYylMfvO9CUIXfnu1cGWeQjCdUZh1NFwnXAWQm/4QJOe8UcCNnNxn4sYRlSOaE 09P4J87q+Tqfxnw/wm2sYKaMWAGchohwNDwxvYgeE24v/4XKiAdDeiE9gnB4aO5F 0M/rwUreWiw2qbfkiWiHXajvUfTXQNc+0ereXwddadrQzVvFK84t80F2zFq54KMy OFeLSHjRdKkVKKGMENMtxjuFkX6MYN/WNYMJss+mKXbdWCvDLyymzZTufHyYe8ZU J9NaD3ljgYogvAr7EipKhRKbXLLIXJ7YWdrGy/sHBtnRAWmiyEaa2hPsQ7bvFqj+ 4Iq6lESryyKQ+l36+Q4YppDSs5E0E1Q+ncwYsPTikDrNlUc2I5fP4Iu/GdrqIdiS H5BKkLbzAf8VJjXaL8AX6G17oUwYE4FE10zXvbz04mcopChHBBdop3EHv1igl0Si 81+Nx3JFtQ0LMgaOGdybjAMCAwEAAQ== -----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 305798669762904093171603282591038414542813 . . . . . . . . [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 2019-05-17 05:24:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-15 05:24:22 +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 692304552099697150208438035421265895269418549923955349626018264218214470942291688089085200948530805985812665062062569494489120074376626438021790922817286477621922322968998046991383558223309599405490412053580517578636155015556932627929257305819182785431381708106582767054746114385814036353647650236879752904594722549365130890590547825333331362891056459300913353465304089623042564699178162460410341314742483340147322450609181235300005470133899065427644407825321632870616975177769991631447248309814296796622090929104894179044816876363775690014829280739184765019089900723296288108809706541929332773900475776496399114865696654586649484304155701582552838443244209164866497846972659162725988413639259050346041396670313890088706875034522816242528593976589814937222715658650060398583116346466540942443204446852607308113016094192535884861526311988628637211237498941665060221096334372064004979162037304224857989764745134947115559183594101232263102308823591459112583339030089404977022853546720705757548676166387170606703526638412538083954628629646420708699742163078801311108627386042550119655474141577911482305646141463802713177825317804769287296693466112121908596893834839020605572753513957582926047554707506483375158615973339022334986729262083 . . . . . . . . . . . . . . . . . . . . [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) e2f6dcfa99ff9b6bc0d6615b4a0ee50f040d52e6 . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ac476858d000004030046304402206a4d6d0422ffeed9a25e5321d60c903a05906f420da8dde4a8345ea569af8d7f02206fb927ec2c028b5ad603b02d54c63742bbd2e4bcd29d696f974d66ad80ea1e5d007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ac476879a00000403004630440220008eebe794e52179247797ac12272efc20b91586386b6711162a38f0c40e633102204f70dfb647af1e6a2eb74f33c3cb2e4ce63b12cc5c7a72b3feb38c7cc8647159 . . . . [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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