study.kuragi.co.jp

Issued by GeoTrust DV SSL CA

About this certificate


This digital certificate with serial number 07:bf:41 was issued on by GeoTrust Inc. .

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.

study.kuragi.co.jp

Company registration number: 3AQmtazWd0SeLrrKBYp43oKO8YIMFkiw
Organization unit: GT76198687
Organization unit: See www.geotrust.com/resources/cps (c)13
Organization unit: Domain Control Validated - QuickSSL(R) Premium

GeoTrust Inc.

Organization: GeoTrust Inc.
Organization unit: Domain Validated SSL

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 07:bf:41
Serial Number (int): 507713
Serial Number lenght: 19 bits, 3 octets

SubjectKeyId: 1d:7c:bb:43:6d:37:5e:07:ee:7b:12:c7:a0:18:b8:90:f0:37:da:dc
AuthorityKeyId: 8c:f4:d9:93:0a:47:bc:00:a0:4a:ce:4b:75:6e:a0:b6:b0:b2:7e:fc

Fingerprint (sha1): 6e:5f:08:0c:07:6c:3e:8a:78:4f:ed:ac:05:8d:e9:84:21:1f:07:79
Fingerprint (sha256): 9d:89:62:ce:79:73:a6:01:a4:24:1a:de:5c:38:40:b5:bb:8d:87:b0:01:aa:58:5f:77:42:29:8c:02:aa:ad:ea

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

Revocation information

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

Check the revocation status for the current certificate on study.kuragi.co.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: study.kuragi.co.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFUjCCBDqgAwIBAgIDB79BMA0GCSqGSIb3DQEBBQUAMGExCzAJBgNVBAYTAlVT MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMR0wGwYDVQQLExREb21haW4gVmFsaWRh dGVkIFNTTDEbMBkGA1UEAxMSR2VvVHJ1c3QgRFYgU1NMIENBMB4XDTEzMTAxNTE3 MDk0MFoXDTE2MTAxNzE1MjAwOFowgckxKTAnBgNVBAUTIDNBUW10YXpXZDBTZUxy cktCWXA0M29LTzhZSU1Ga2l3MRMwEQYDVQQLEwpHVDc2MTk4Njg3MTEwLwYDVQQL EyhTZWUgd3d3Lmdlb3RydXN0LmNvbS9yZXNvdXJjZXMvY3BzIChjKTEzMTcwNQYD VQQLEy5Eb21haW4gQ29udHJvbCBWYWxpZGF0ZWQgLSBRdWlja1NTTChSKSBQcmVt aXVtMRswGQYDVQQDExJzdHVkeS5rdXJhZ2kuY28uanAwggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQCikmBmq9qK9VzaYKYzgYips1V23twGG0yq3W51RCgQ lHS1N/g57ARpXhI7AOJiyguzoX0RZOdfcO7kfIiTfDXD7GJ10T4qeTUr66nJDuRe 7ZxdeDV3ivVVpIhP+NZDqNoC+/PhSn1bCUT5NrgcJ0Tp5pV85o0YB3vso6kOxQMi oN2E4IHJ87mMSBhwgsioFKaG+ihwjJZ8SQ2Na6xbW6ynW7GFzP87qNyDKFiEgAQz YIjxiFAMX7FkyMCUod/WuGwsG6Qg2enzCdObC4l8l47qMEpIH5BOuqgMSpuNe5G5 sOLyBFQYqez6b/BM/nNCAAZ1WoIMVh2CPXm/e+9WDUypAgMBAAGjggGoMIIBpDAf BgNVHSMEGDAWgBSM9NmTCke8AKBKzkt1bqC2sLJ+/DAOBgNVHQ8BAf8EBAMCBaAw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMB0GA1UdEQQWMBSCEnN0dWR5 Lmt1cmFnaS5jby5qcDBBBgNVHR8EOjA4MDagNKAyhjBodHRwOi8vZ3Rzc2xkdi1j cmwuZ2VvdHJ1c3QuY29tL2NybHMvZ3Rzc2xkdi5jcmwwHQYDVR0OBBYEFB18u0Nt N14H7nsSx6AYuJDwN9rcMAwGA1UdEwEB/wQCMAAwdQYIKwYBBQUHAQEEaTBnMCwG CCsGAQUFBzABhiBodHRwOi8vZ3Rzc2xkdi1vY3NwLmdlb3RydXN0LmNvbTA3Bggr BgEFBQcwAoYraHR0cDovL2d0c3NsZHYtYWlhLmdlb3RydXN0LmNvbS9ndHNzbGR2 LmNydDBMBgNVHSAERTBDMEEGCmCGSAGG+EUBBzYwMzAxBggrBgEFBQcCARYlaHR0 cDovL3d3dy5nZW90cnVzdC5jb20vcmVzb3VyY2VzL2NwczANBgkqhkiG9w0BAQUF AAOCAQEAU1trcLTnxc1Zg42xXv/9CElT/RzAdRbRvfmQ1u0b059oUWjdmHyYRRva XPg44E7itNU1bO9gWtpMWnVnn5KM2Y3abJCB7r/aJZ+WTs5sNMkaUJtkJa3kb/ZL cmwUhOL11Fe1vnMWmrdIIr3rg/MNRb6A5xrj3yTvAF1oJhPRe8FaiTlbG1LerVSd 3VHBn5YMDuBEMRy/YHQ/bvaGFPPFEArfTWy7NtgrVme4+SQ2u9m/qk1YUdMSAz5h T9SYTHlYwto3WWQ/cv0J7sfBEufqm3ZOaTAdjTpUOHzNjmb/KGsRG9ZSf8wYYAB4 zIwxqeXU+zZfYR7HYfkOwZDcSxhagQ== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAopJgZqvaivVc2mCmM4GI qbNVdt7cBhtMqt1udUQoEJR0tTf4OewEaV4SOwDiYsoLs6F9EWTnX3Du5HyIk3w1 w+xiddE+Knk1K+upyQ7kXu2cXXg1d4r1VaSIT/jWQ6jaAvvz4Up9WwlE+Ta4HCdE 6eaVfOaNGAd77KOpDsUDIqDdhOCByfO5jEgYcILIqBSmhvoocIyWfEkNjWusW1us p1uxhcz/O6jcgyhYhIAEM2CI8YhQDF+xZMjAlKHf1rhsLBukINnp8wnTmwuJfJeO 6jBKSB+QTrqoDEqbjXuRubDi8gRUGKns+m/wTP5zQgAGdVqCDFYdgj15v3vvVg1M qQIDAQAB -----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 507713 . . . . . . . . [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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Validated SSL' . . . . . . . . . . . . [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 'GeoTrust DV SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-10-15 17:09:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-17 15:20:08 +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 '3AQmtazWd0SeLrrKBYp43oKO8YIMFkiw' . . . . . . . . . . . . [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 'GT76198687' . . . . . . . . . . . . [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.geotrust.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 - QuickSSL(R) Premium' . . . . . . . . . . . . [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 'study.kuragi.co.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 20522786379733351846528044727525611796015423050138495332313573680640837051864514661987398123394723732519457099550009295199040271516108499069521585552226058978082371374504443611865984186326315053139948218509325231069052753292299641366338156662249211700441161535240527217313929722232725254979707733994822042751250067415892610865585953656991804559000904106557574193555161490128854985772966577655464784183163286179019241909590935207969861693396592427221702700333208443840493744088833395822812790356796022643848655494296302890461211099880511576335719234891012876375543744170977038331997366748390207849095387370656487001257 . . . . . . . . . . . . . . . . . . . . [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 8cf4d9930a47bc00a04ace4b756ea0b6b0b27efc . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'study.kuragi.co.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 (58 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://gtssldv-crl.geotrust.com/crls/gtssldv.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) 1d7cbb436d375e07ee7b12c7a018b890f037dadc . . . . . . . . . . . . . . . . [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 (105 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://gtssldv-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://gtssldv-aia.geotrust.com/gtssldv.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) 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