www.gakusou.com

Issued by GlobalSign Domain Validation CA - SHA256 - G2

About this certificate


This digital certificate with serial number 11:21:98:6a:06:54:ed:23:10:11:f9:c0:8e:9a:3a:a2:03:98 was issued on by GlobalSign nv-sa .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

www.gakusou.com

Organization unit: Domain Control Validated
Country: JP

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: JP

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:98:6a:06:54:ed:23:10:11:f9:c0:8e:9a:3a:a2:03:98
Serial Number (int): 1492340772115564487800036683604998622413720
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: c1:9f:66:46:16:88:60:54:af:94:76:b4:4d:a4:c3:72:10:a2:37:e6
AuthorityKeyId: ea:4e:7c:d4:80:2d:e5:15:81:86:26:8c:82:6d:c0:98:a4:cf:97:0f

Fingerprint (sha1): 40:97:f6:5c:00:94:13:6b:2c:90:dc:ef:fc:e0:d9:6e:04:03:18:62
Fingerprint (sha256): ee:e7:79:dc:5c:33:69:2a:91:54:56:fc:0c:81:ca:a9:e8:e5:c2:89:db:98:ff:5c:f8:af:ff:c3:23:69:bb:1f

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsdomainvalsha2g2r1.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsdomainvalsha2g2
CRL Distribution Point: http://crl.globalsign.com/gs/gsdomainvalsha2g2.crl

Check the revocation status for the current certificate on www.gakusou.com
2
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

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.gakusou.com
gakusou.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFBjCCA+6gAwIBAgISESGYagZU7SMQEfnAjpo6ogOYMA0GCSqGSIb3DQEBCwUA MGAxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTYwNAYD VQQDEy1HbG9iYWxTaWduIERvbWFpbiBWYWxpZGF0aW9uIENBIC0gU0hBMjU2IC0g RzIwHhcNMTQxMjAyMDE0MzM3WhcNMTYwMTA0MDMwMDI4WjBKMQswCQYDVQQGEwJK UDEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRhdGVkMRgwFgYDVQQDEw93 d3cuZ2FrdXNvdS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC8 07G/cGw+tSZBMefMk3aevaEGlobGHiUu+OXGAFOov3fhscJ2uXxBw5dG9Yq6LCjI UjduDWjgdCWNqMRAnaf1bHQ07Pn6bL93XQ71+1z7G12dGTwgo67H8c0t/KVdAk7l Oi5OyWMTN4Oj5b587UAyXo8Dl/0sIuHabcuAKjNslOwgj6piHRU+8tV8dRRoJwDw AAc2PlDyphJCM7dryEJtOPpj7Eq41eK2Olji1s+OC+snbq6bWEd3jEJ7Yp9VLgeF 3PwRe8+1ISilXOw91dIBqLkiJheA7hJFt+TqdRMp2C+lImkBGidiMbO19eUaaUy8 0twtdTJZ46CXaEm+kMB/AgMBAAGjggHOMIIByjAOBgNVHQ8BAf8EBAMCBaAwSQYD VR0gBEIwQDA+BgZngQwBAgEwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xv YmFsc2lnbi5jb20vcmVwb3NpdG9yeS8wJwYDVR0RBCAwHoIPd3d3Lmdha3Vzb3Uu Y29tggtnYWt1c291LmNvbTAJBgNVHRMEAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjBDBgNVHR8EPDA6MDigNqA0hjJodHRwOi8vY3JsLmdsb2JhbHNp Z24uY29tL2dzL2dzZG9tYWludmFsc2hhMmcyLmNybDCBlAYIKwYBBQUHAQEEgYcw gYQwRwYIKwYBBQUHMAKGO2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2Fj ZXJ0L2dzZG9tYWludmFsc2hhMmcycjEuY3J0MDkGCCsGAQUFBzABhi1odHRwOi8v b2NzcDIuZ2xvYmFsc2lnbi5jb20vZ3Nkb21haW52YWxzaGEyZzIwHQYDVR0OBBYE FMGfZkYWiGBUr5R2tE2kw3IQojfmMB8GA1UdIwQYMBaAFOpOfNSALeUVgYYmjIJt wJikz5cPMA0GCSqGSIb3DQEBCwUAA4IBAQAMvv1SPo+iY3//932vfG1R9uaePlSY A58EtaVApVJcek2uR5Tmayst+OLA1hGWuDFqFpDnIO2oFDi1m7r3ga40yazeoNz1 q+NgiMXF1gLjRDFNBQ4Wx5lJ1z6takdLW6vBZcH2KNJx1IzP3ornYdnlUoLLkQPW qC73ZAC0v7T2cHIz4C4+6M8d8n06OjhpS6SMbgroewPJe98AWBxQWY9zfmWqY+Id v/0O6DptHo8v74sN91TB4tYkHpMoXwVnXrT8fWAR9W5dXNtZxX7gaTJ3jLSp+3GE spF0UW0ygp/J0ZRhEZGObgloknBuVsq7HrG+oTHBkfqqMLf5q5UDF2FW -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvNOxv3BsPrUmQTHnzJN2 nr2hBpaGxh4lLvjlxgBTqL934bHCdrl8QcOXRvWKuiwoyFI3bg1o4HQljajEQJ2n 9Wx0NOz5+my/d10O9ftc+xtdnRk8IKOux/HNLfylXQJO5TouTsljEzeDo+W+fO1A Ml6PA5f9LCLh2m3LgCozbJTsII+qYh0VPvLVfHUUaCcA8AAHNj5Q8qYSQjO3a8hC bTj6Y+xKuNXitjpY4tbPjgvrJ26um1hHd4xCe2KfVS4Hhdz8EXvPtSEopVzsPdXS Aai5IiYXgO4SRbfk6nUTKdgvpSJpARonYjGztfXlGmlMvNLcLXUyWeOgl2hJvpDA fwIDAQAB -----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 1492340772115564487800036683604998622413720 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Domain Validation CA - SHA256 - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-12-02 01:43:37 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-04 03:00:28 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'JP' . . . . . . . . . . . . [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' . . . . . . . . . . . . [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.gakusou.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23837191697132047850457618219533523588633550069830291985051764143495113877048293590580915284997272536896886633958106281837674278194432244040112881942373097421790942791515168539379366486955629966270888198488486111858816920174288445330860504974505995843455933676937169467808517244626285381011210467731468900818130798923498783638190734475280735812791203347698502909712156540036679299512545209893975773707540633406770886381414628875415564189925545277476771061896710262781346532369078068187574931331331437039808449835412152231887557124666983271012368873282027676681948628987802110431956615187076408277642906680884187938943 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 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: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 'https://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gakusou.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gakusou.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.31 (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://crl.globalsign.com/gs/gsdomainvalsha2g2.crl' . . . . . . . . . . . . . . . . [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 (135 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure.globalsign.com/cacert/gsdomainvalsha2g2r1.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsp2.globalsign.com/gsdomainvalsha2g2' . . . . . . . . . . . . . . . . [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) c19f664616886054af9476b44da4c37210a237e6 . . . . . . . . . . . . . . . . [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 ea4e7cd4802de5158186268c826dc098a4cf970f . . . . [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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