vgl.cs.tcu.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:05:92:20:04:aa:c9:3a:e5:55:b7:d3:35:85:14:3c:61:f4 was issued on by Let's Encrypt.
With 7 subject alternative names this certificate can be used to secure multiple fqdn's. 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=vgl.cs.tcu.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:05:92:20:04:aa:c9:3a:e5:55:b7:d3:35:85:14:3c:61:f4Serial Number (int): 263232503165430206818823031258626362466804
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 24:75:7d:02:82:ea:1f:d3:6c:c4:71:a0:9a:71:b4:12:0c:a6:a0:1f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 18:1d:70:b6:82:83:b6:92:85:0b:86:e0:af:e8:10:a0:6d:7f:0e:4a
Fingerprint (sha256): 43:c9:6a:f3:12:da:87:0f:cc:e7:d5:e8:e2:06:0c:1a:d3:b0:b6:a7:35:84:7c:fd:13:89:ea:3a:69:fa:3f:2b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate vgl.cs.tcu.ac.jp
7
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for vgl.cs.tcu.ac.jp
Public Key Algorithm
RSA
Key Size
2048
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
cherry.vgl.cs.tcu.ac.jp
imap.vgl.cs.tcu.ac.jp
mail.vgl.cs.tcu.ac.jp
pop3.vgl.cs.tcu.ac.jp
smtp.vgl.cs.tcu.ac.jp
vgl.cs.tcu.ac.jp
www.vgl.cs.tcu.ac.jp
imap.vgl.cs.tcu.ac.jp
mail.vgl.cs.tcu.ac.jp
pop3.vgl.cs.tcu.ac.jp
smtp.vgl.cs.tcu.ac.jp
vgl.cs.tcu.ac.jp
www.vgl.cs.tcu.ac.jp
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(limited to 100 certificates)
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vgl.cs.tcu.ac.jp
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www.tcu.ac.jp
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ldap.ns.tcu.ac.jp
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lecture.vm.cs.tcu.ac.jp
ufinity03.jp.fujitsu.com
vgl.cs.tcu.ac.jp
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Certificate
The complete raw certificate details for vgl.cs.tcu.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF5zCCBM+gAwIBAgISAwWSIASqyTrlVbfTNYUUPGH0MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMDIyMzUzMDlaFw0x OTA1MzEyMzUzMDlaMBsxGTAXBgNVBAMTEHZnbC5jcy50Y3UuYWMuanAwggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC9ibAYMA6wZe8CJO8Dmv9OoJfZ3f+G DvMttDGjQLC5o2veN1vBd59n1nM8GB+WPpRKb0NRdwWX3KId2CS6/4Is8dqBnVJD m26kZRXSRYWO1x9inN5OZYmNXYsfcD80Ux5dle5oEtqz3XpspF5yNTOjZlvFdHQ8 DfnTsqsrTEYPueDfEI2E0V3WUN8yFBxzKhzsmjxFofBvsZo3vlAMewXNdrrod8Iz QyhGQwFSQ1I33aOqv+IE8exyNJv4LuV/AWmcpHTlHrYHPFqXD3Cu7YPKPaHc/VIS Nw4P+D7INL6iEcPvN3ZTgow8suQDhodCHJt6el8or4jyfJj7WKyGZjPvAgMBAAGj ggL0MIIC8DAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCR1fQKC6h/TbMRxoJpxtBIM pqAfMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wgagGA1UdEQSBoDCBnYIXY2hlcnJ5LnZnbC5jcy50Y3UuYWMuanCCFWlt YXAudmdsLmNzLnRjdS5hYy5qcIIVbWFpbC52Z2wuY3MudGN1LmFjLmpwghVwb3Az LnZnbC5jcy50Y3UuYWMuanCCFXNtdHAudmdsLmNzLnRjdS5hYy5qcIIQdmdsLmNz LnRjdS5hYy5qcIIUd3d3LnZnbC5jcy50Y3UuYWMuanAwTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgB0ftqDMa0z EJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWlBClQJAAAEAwBHMEUCIG28DR5p sdtXs+P31nr60GO9u+AvGWA6sUFCmAGfOZKTAiEA1iCDt/0xR+X0PTCwaT3/LAlB nrUE/hbNEQ9zXN0ZRXMAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0 eAAAAWlBClQXAAAEAwBIMEYCIQDnHnlwpcMGVD8rCgMmH1gz9aMDbIDAJO3g0jMw DbA4YQIhAJ/y8hBHYmYvLRC+oirW8ys1nQWUXb0d0PwEeaGUTJe8MA0GCSqGSIb3 DQEBCwUAA4IBAQBDiHe2CphKJmyKw/T+gVRlcUeDVxO0m7v6exuPckXDTcquziSk aYFZo8xqEPc7zsY5v6M0YI3l2wooG5Vh9qJ+EJSZloYbOGqgU4gYvrVM1uxrR5Ke ANNuhPl3SC0psr8WqGa08Z/jNYVVA9fm6CkkdRXkAtNXk1UAEmRf5XsMY09ICIko ke7FyktF0elRzRcomqEvMdpDHHKxvenAYn3Ux4BPzk/8Winu1I/4VygFitRUgwCT qmbBrR+K2Ra+KJgNPuHlTdCDNBhgB5HuwUcC1fwWFpTfL+O8R60ZUYMcH+sp6+Eo dNmLDe10zpWgLiaFic8eJCGTYyQnS4VGUbfp -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvYmwGDAOsGXvAiTvA5r/ TqCX2d3/hg7zLbQxo0CwuaNr3jdbwXefZ9ZzPBgflj6USm9DUXcFl9yiHdgkuv+C LPHagZ1SQ5tupGUV0kWFjtcfYpzeTmWJjV2LH3A/NFMeXZXuaBLas916bKRecjUz o2ZbxXR0PA3507KrK0xGD7ng3xCNhNFd1lDfMhQccyoc7Jo8RaHwb7GaN75QDHsF zXa66HfCM0MoRkMBUkNSN92jqr/iBPHscjSb+C7lfwFpnKR05R62Bzxalw9wru2D yj2h3P1SEjcOD/g+yDS+ohHD7zd2U4KMPLLkA4aHQhybenpfKK+I8nyY+1ishmYz 7wIDAQAB -----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 263232503165430206818823031258626362466804 . . . . . . . . [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 2019-03-02 23:53:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-31 23:53:09 +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 'vgl.cs.tcu.ac.jp' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23926936057360332097092909851767084830673041305244317087756014623653834999267489017285995507091079460873972744251409531995918405291655695776578316278553960915946516897151964491742310814236377708045509249317113512771777920231167867159408669358258816448994677811486367196293815218115170996341788535058373996789314066021521953890833616022866862379739480867902955859712561121229938732537097778592470457538468050325867930660143439815861428860798226914321304637239537117952591962219766335343126997737014531750413689663321591450366485900602201511312507644624153541306585252297142843115707431453851060602833604870591438271471 . . . . . . . . . . . . . . . . . . . . [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) 24757d0282ea1fd36cc471a09a71b4120ca6a01f . . . . . . . . . . . . . . . . [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 (160 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cherry.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop3.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vgl.cs.tcu.ac.jp' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169410a5409000004030047304502206dbc0d1e69b1db57b3e3f7d67afad063bdbbe02f19603ab1414298019f399293022100d62083b7fd3147e5f43d30b0693dff2c09419eb504fe16cd110f735cdd194573007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169410a54170000040300483046022100e71e7970a5c306543f2b0a03261f5833f5a3036c80c024ede0d233300db038610221009ff2f2104762662f2d10bea22ad6f32b359d05945dbd1dd0fc0479a1944c97bc . . . . [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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