wmail.u.tsukuba.ac.jp

Issued by RapidSSL CA

About this certificate


This digital certificate with serial number 0b:47:80 was issued on by GeoTrust, Inc. .

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

wmail.u.tsukuba.ac.jp

Company registration number: hcjva/Kq85Ov2YFqaI/zawqaf8MJqTAy
Organization unit: GT21574244
Organization unit: See www.rapidssl.com/resources/cps (c)13
Organization unit: Domain Control Validated - RapidSSL(R)

GeoTrust, Inc.

Organization: GeoTrust, Inc.

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 0b:47:80
Serial Number (int): 739200
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: e2:01:ff:5b:16:d4:f5:ef:36:b2:53:f6:b7:83:67:4e:c4:fd:ce:fa
AuthorityKeyId: 6b:69:3d:6a:18:42:4a:dd:8f:02:65:39:fd:35:24:86:78:91:16:30

Fingerprint (sha1): 06:d5:25:de:02:90:b3:f4:39:9f:9f:2d:25:61:30:18:7f:34:bb:f9
Fingerprint (sha256): 2e:a8:a8:09:dc:fc:04:64:9b:81:ca:c9:0b:43:a7:7f:14:73:43:1e:67:67:47:dc:71:12:1a:43:21:54:bb:ce

Issuing Certificate URL: http://rapidssl-aia.geotrust.com/rapidssl.crt

Revocation information

OCSP Server: http://rapidssl-ocsp.geotrust.com
CRL Distribution Point: http://rapidssl-crl.geotrust.com/crls/rapidssl.crl

Check the revocation status for the current certificate on wmail.u.tsukuba.ac.jp
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: wmail.u.tsukuba.ac.jp

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFMDCCBBigAwIBAgIDC0eAMA0GCSqGSIb3DQEBBQUAMDwxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEUMBIGA1UEAxMLUmFwaWRTU0wgQ0Ew HhcNMTMwMzI3MDEwMDUxWhcNMTcwMzI4MTczNjU3WjCBxDEpMCcGA1UEBRMgaGNq dmEvS3E4NU92MllGcWFJL3phd3FhZjhNSnFUQXkxEzARBgNVBAsTCkdUMjE1NzQy NDQxMTAvBgNVBAsTKFNlZSB3d3cucmFwaWRzc2wuY29tL3Jlc291cmNlcy9jcHMg KGMpMTMxLzAtBgNVBAsTJkRvbWFpbiBDb250cm9sIFZhbGlkYXRlZCAtIFJhcGlk U1NMKFIpMR4wHAYDVQQDExV3bWFpbC51LnRzdWt1YmEuYWMuanAwggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQC2jplUDA/sVmyeuZeqG5heZvhIRrX+1fuI yatbiKvG46ncpW7hEKxN5Z9PdCV8w8dqc9gfNU4NElszD/3Op1rfPw5/zljUh68g R+OeEnTZWQRgTDEY/oKzYvJ8U4O9Ev8mTUDDBQyprGzHR9X+Yea7TDY5rO74/bTm TPIC5jksCA125/qyk9A995GzacprLLYB2IH3RSDwQ3chZkBmpa5VzihdnISepLtE LnFk+FXZyrCaPKXYG9xXFPN1+1M8i4qToIpWaA8LvP1HTacIPR21S2GmmuyuOwjI XQV31fWpI6uQGThNOGwmWMSO8XxJTqLHQxUkNB+Ae2n71NN5VnBjAgMBAAGjggGw MIIBrDAfBgNVHSMEGDAWgBRraT1qGEJK3Y8CZTn9NSSGeJEWMDAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMCAGA1UdEQQZMBeC FXdtYWlsLnUudHN1a3ViYS5hYy5qcDBDBgNVHR8EPDA6MDigNqA0hjJodHRwOi8v cmFwaWRzc2wtY3JsLmdlb3RydXN0LmNvbS9jcmxzL3JhcGlkc3NsLmNybDAdBgNV HQ4EFgQU4gH/WxbU9e82slP2t4NnTsT9zvowDAYDVR0TAQH/BAIwADB4BggrBgEF BQcBAQRsMGowLQYIKwYBBQUHMAGGIWh0dHA6Ly9yYXBpZHNzbC1vY3NwLmdlb3Ry dXN0LmNvbTA5BggrBgEFBQcwAoYtaHR0cDovL3JhcGlkc3NsLWFpYS5nZW90cnVz dC5jb20vcmFwaWRzc2wuY3J0MEwGA1UdIARFMEMwQQYKYIZIAYb4RQEHNjAzMDEG CCsGAQUFBwIBFiVodHRwOi8vd3d3Lmdlb3RydXN0LmNvbS9yZXNvdXJjZXMvY3Bz MA0GCSqGSIb3DQEBBQUAA4IBAQCXpfQAAqCu3bHY2GD2Dza9lzdfi64ywbc5eHX4 l5Vz3mBrPcWqBg4lGvIx+a7ku4EeTTmbzHBFlbM1jIgDZJACdU5WCRcMJrylWDYd F0rfl9Xj5LywojfzLATNyfEv48FZAWhnczwZ9rYHiazGK2Vy0QSP6U0Pvg3C6um1 8kwsPOyNaJHosysZkX7pivegn0+nlT3j3YcXaBs48pWdBOF90ICLX4Xx5gLt7STg nPZclFKNop6mt83rKJN8r0omdiynfcXIECnPnMacQiByiK1FyYnyy3ASJXpZW+PB hNddTq0+HcqfLn+4wdn+y0DcnjzTjrktHx6aKJZiqCcc0Ghx -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAto6ZVAwP7FZsnrmXqhuY Xmb4SEa1/tX7iMmrW4irxuOp3KVu4RCsTeWfT3QlfMPHanPYHzVODRJbMw/9zqda 3z8Of85Y1IevIEfjnhJ02VkEYEwxGP6Cs2LyfFODvRL/Jk1AwwUMqaxsx0fV/mHm u0w2Oazu+P205kzyAuY5LAgNduf6spPQPfeRs2nKayy2AdiB90Ug8EN3IWZAZqWu Vc4oXZyEnqS7RC5xZPhV2cqwmjyl2BvcVxTzdftTPIuKk6CKVmgPC7z9R02nCD0d tUthpprsrjsIyF0Fd9X1qSOrkBk4TThsJljEjvF8SU6ix0MVJDQfgHtp+9TTeVZw YwIDAQAB -----END PUBLIC KEY-----

ASN1 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 739200 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'GeoTrust, Inc.' . . . . . . . . . . . . [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 'RapidSSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-03-27 01:00:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-28 17:36:57 +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 2.5.4.5 (serialNumber) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'hcjva/Kq85Ov2YFqaI/zawqaf8MJqTAy' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GT21574244' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'See www.rapidssl.com/resources/cps (c)13' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated - RapidSSL(R)' . . . . . . . . . . . . [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 'wmail.u.tsukuba.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 23045689661292831046489452936823533299113768328165916704787092290436444080284183598938297846881929317110215313055867390508300182175055101023720954587678843054979529544837263781140015742598231476336411388920923464469094723768704777742674056213373678313410559654070762036390128163813727902701689927468245290660566242066713312350742593216932321348291484263498346497810218168090182279545435318743215843247557556409784710360633526960869470408789221397453264600775070468527922591563590799107163310557458519535859707789847976701161444051719748701385792343924451162662485571959370471838034967915142608237764621668465677594723 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 6b693d6a18424add8f026539fd35248678911630 . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wmail.u.tsukuba.ac.jp' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (60 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://rapidssl-crl.geotrust.com/crls/rapidssl.crl' . . . . . . . . . . . . . . . . [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) e201ff5b16d4f5ef36b253f6b783674ec4fdcefa . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (108 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://rapidssl-ocsp.geotrust.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://rapidssl-aia.geotrust.com/rapidssl.crt' . . . . . . . . . . . . . . . . [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 2.16.840.1.113733.1.7.54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.geotrust.com/resources/cps' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 0097a5f40002a0aeddb1d8d860f60f36bd97375f8bae32c1b7397875f8979573de606b3dc5aa060e251af231f9aee4bb811e4d399bcc704595b3358c8803649002754e5609170c26bca558361d174adf97d5e3e4bcb0a237f32c04cdc9f12fe3c159016867733c19f6b60789acc62b6572d1048fe94d0fbe0dc2eae9b5f24c2c3cec8d6891e8b32b19917ee98af7a09f4fa7953de3dd8717681b38f2959d04e17dd0808b5f85f1e602eded24e09cf65c94528da29ea6b7cdeb28937caf4a26762ca77dc5c81029cf9cc69c42207288ad45c989f2cb7012257a595be3c184d75d4ead3e1dca9f2e7fb8c1d9fecb40dc9e3cd38eb92d1f1e9a289662a8271cd06871