www.one-earth-g.a.u-tokyo.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:13:c3:ed:85:7d:33:26:f7:4a:6d:22:0a:6f:36:ed:d1:77 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.one-earth-g.a.u-tokyo.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:13:c3:ed:85:7d:33:26:f7:4a:6d:22:0a:6f:36:ed:d1:77Serial Number (int): 268062655507791930537474706881406288384375
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 31:7d:cd:d6:04:2f:f4:05:8d:26:0a:e9:68:4b:9e:3f:a4:1c:ab:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 98:16:16:f5:bc:90:1e:9a:45:6c:5d:7e:27:85:d9:00:5b:a0:6d:d8
Fingerprint (sha256): 03:e3:4d:b5:d8:71:1b:a0:ea:7c:67:36:a0:35:14:8c:13:4d:cf:02:56:ba:da:03:af:02:b4:48:2d:f0:34:6b
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.one-earth-g.a.u-tokyo.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.one-earth-g.a.u-tokyo.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
www.one-earth-g.a.u-tokyo.ac.jp
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Certificate
The complete raw certificate details for www.one-earth-g.a.u-tokyo.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFdzCCBF+gAwIBAgISAxPD7YV9Myb3Sm0iCm827dF3MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MTEwMjExMjJaFw0x OTExMDkwMjExMjJaMCoxKDAmBgNVBAMTH3d3dy5vbmUtZWFydGgtZy5hLnUtdG9r eW8uYWMuanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDPUSDjUeRc Xi2ND8upUx8RjLs+hiC+qN57qAV+bBRwAKLo8Y1lItC0HprXOnS8FrAmbtfq38wi GzPY+oLMj+Ei+uJliTFd82xN3s1n4pJH9cXJTW3XjgpYinfm5+vxgCVwD+hYnYGT NEPE5qm1EF3xj0sKi/CSmlW8BIRrI5eaghGreQYplVpCfJsvydKe7X5BXLaRz1t/ HmFAWyjFSrTEz1kMRi5vsFQlxe3VLmJHAhCoe/Yg19Fj9mUVZLt6MXFOZXqD3rjb ybN7b6rCeM+epYsx5eTPQTlQGJ5VjDSQrtbeiSHLhk9TEYP5PgARb6d7AZagpq5X k4tdaoizYra1AgMBAAGjggJ1MIICcTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDF9 zdYEL/QFjSYK6WhLnj+kHKs6MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wKgYDVR0RBCMwIYIfd3d3Lm9uZS1lYXJ0aC1n LmEudS10b2t5by5hYy5qcDBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLf EwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCC AQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AOJpS64m6OlACeiGG7Y7g9Q+5/50iPuk jyiTAZ3d8dv+AAABbH6ouvsAAAQDAEcwRQIgdWCKrqrPzN8iSkd09lhYQFEGaxFq cQ5W/3N02jbvptICIQDc5u24FRg6p1t/TNNqvje2yPMD32GXEu4lYo14D0PeNwB3 AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABbH6ouxsAAAQDAEgw RgIhAL3Xuh0FlxzLtARlEt6ofn3J/6JgC4qZLjNLFRxoGVgAAiEA54RPlwSGR2Fd 9KTij+dyncxIGpVPQHG6OCgHV4JFVZ0wDQYJKoZIhvcNAQELBQADggEBABQykM41 x3XA/BB0QsYvTAoT+dSXEsZypXSUsJVeEKimcQfrJbEakali/mtt8T1KnhZHyPp2 0YPNbBMObSQzpDY8lGeq5r/xhGVSKbQCL8ILAfP1QuIvrIhxkbGcjrAoQxNZ3dh1 R79Wx2H3bzx2HWxHwj+fxCxTolJz9DWfg7jricqJ7DijkZSXqWBfRygODOJfcYhX MvgQwvXVa8hXHG0Sc/fYyXZBvIo7yodM/4umpvDLtg9T2qByLc4pnpd/Smqvcgd4 sYF1lmsANbF29OMgRzyTP50cf4PS7Rh9LH5lj+P5jhZPo1K4gQ1hh4FuentdwZkz ieN87nSbck3ClfI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1Eg41HkXF4tjQ/LqVMf EYy7PoYgvqjee6gFfmwUcACi6PGNZSLQtB6a1zp0vBawJm7X6t/MIhsz2PqCzI/h IvriZYkxXfNsTd7NZ+KSR/XFyU1t144KWIp35ufr8YAlcA/oWJ2BkzRDxOaptRBd 8Y9LCovwkppVvASEayOXmoIRq3kGKZVaQnybL8nSnu1+QVy2kc9bfx5hQFsoxUq0 xM9ZDEYub7BUJcXt1S5iRwIQqHv2INfRY/ZlFWS7ejFxTmV6g96428mze2+qwnjP nqWLMeXkz0E5UBieVYw0kK7W3okhy4ZPUxGD+T4AEW+newGWoKauV5OLXWqIs2K2 tQIDAQAB -----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 268062655507791930537474706881406288384375 . . . . . . . . [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 2019-08-11 02:11:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-09 02:11:22 +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.one-earth-g.a.u-tokyo.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 26171335066895507792040573557766175275747525564485808991872731531791942207646344803835118108465514649065342008057153390974605512171235861282190649589870547760432076537788676845433583021602028358789714089580549133035260869735674046545277582227803166294809213437185988306137895000836868550814277144884131513937592413377225182445885685648147816254573297684134991280229699200508541543276374586022166248189998429193773566732059784004096337581708153113278835632157743349399110665084288062648983165051755602484373000129409220137658428858750002156790688924362098500077827127017256168316996932461748422227872173774478145402549 . . . . . . . . . . . . . . . . . . . . [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) 317dcdd6042ff4058d260ae9684b9e3fa41cab3a . . . . . . . . . . . . . . . . [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 (35 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.one-earth-g.a.u-tokyo.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) 00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c7ea8bafb0000040300473045022075608aaeaacfccdf224a4774f658584051066b116a710e56ff7374da36efa6d2022100dce6edb815183aa75b7f4cd36abe37b6c8f303df619712ee25628d780f43de3700770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c7ea8bb1b0000040300483046022100bdd7ba1d05971ccbb4046512dea87e7dc9ffa2600b8a992e334b151c68195800022100e7844f97048647615df4a4e28fe7729dcc481a954f4071ba382807578245559d . . . . [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) 00143290ce35c775c0fc107442c62f4c0a13f9d49712c672a57494b0955e10a8a67107eb25b11a91a962fe6b6df13d4a9e1647c8fa76d183cd6c130e6d2433a4363c9467aae6bff184655229b4022fc20b01f3f542e22fac887191b19c8eb028431359ddd87547bf56c761f76f3c761d6c47c23f9fc42c53a25273f4359f83b8eb89ca89ec38a3919497a9605f47280e0ce25f71885732f810c2f5d56bc8571c6d1273f7d8c97641bc8a3bca874cff8ba6a6f0cbb60f53daa0722dce299e977f4a6aaf720778b18175966b0035b176f4e320473c933f9d1c7f83d2ed187d2c7e658fe3f98e164fa352b8810d6187816e7a7b5dc1993389e37cee749b724dc295f2