mail.kantogakuin.ed.jp

Issued by RapidSSL SHA256 CA - G3

About this certificate


This digital certificate with serial number 05:0b:88 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.

mail.kantogakuin.ed.jp

Organization unit: GT52503494
Organization unit: See www.rapidssl.com/resources/cps (c)15
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): 05:0b:88
Serial Number (int): 330632
Serial Number lenght: 19 bits, 3 octets

SubjectKeyId:
AuthorityKeyId: c3:9c:f3:fc:d3:46:08:34:bb:ce:46:7f:a0:7c:5b:f3:e2:08:cb:59

Fingerprint (sha1): 5a:28:ba:9d:e1:47:b1:28:d0:2d:51:16:09:a1:5f:c1:43:09:99:e3
Fingerprint (sha256): b5:28:a1:52:05:34:66:50:ac:ac:db:4b:e4:de:36:d5:01:7e:46:fa:f9:d2:e8:25:69:b5:8e:68:38:5d:c9:53

Issuing Certificate URL: http://gv.symcb.com/gv.crt

Revocation information

OCSP Server: http://gv.symcd.com
CRL Distribution Point: http://gv.symcb.com/gv.crl

Check the revocation status for the current certificate on mail.kantogakuin.ed.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

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 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: mail.kantogakuin.ed.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIErzCCA5egAwIBAgIDBQuIMA0GCSqGSIb3DQEBCwUAMEcxCzAJBgNVBAYTAlVT MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMSAwHgYDVQQDExdSYXBpZFNTTCBTSEEy NTYgQ0EgLSBHMzAeFw0xNTA2MTQwNTAxMjhaFw0xODA5MTMxNzMwMDlaMIGaMRMw EQYDVQQLEwpHVDUyNTAzNDk0MTEwLwYDVQQLEyhTZWUgd3d3LnJhcGlkc3NsLmNv bS9yZXNvdXJjZXMvY3BzIChjKTE1MS8wLQYDVQQLEyZEb21haW4gQ29udHJvbCBW YWxpZGF0ZWQgLSBSYXBpZFNTTChSKTEfMB0GA1UEAxMWbWFpbC5rYW50b2dha3Vp bi5lZC5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJyZdMSOfGaG vajygxFez2P38Ejton2GXaMNaCLfpgOL8Ug/jQPU3muTKun2OvKXq61dvWP7lH/V MS3MODkCQvv7eKyftD/5P31ChnZuqSxvj+p7U+yviFAVnfd0L5C2HSekkHi1xa8c hpphIKd7zLcBUc0LRnzj9bH9CYEA+uCszecIoXjx4xwDKCAQeTwB/BNOEoJY2Tei PbZW0vq0SwpB6tgHpjTTlUmL13wyBpD6f7CHky3BWSKxLiS/+qLkt6gv3OrKek/V K+z1PTsnI7+vLzJ6qfUuytMg8Y+REyGqfHVp8Nmzpf5tDYy/xgE9oCOsCYsLd1fH Qng16HpbrwECAwEAAaOCAU4wggFKMB8GA1UdIwQYMBaAFMOc8/zTRgg0u85Gf6B8 W/PiCMtZMFcGCCsGAQUFBwEBBEswSTAfBggrBgEFBQcwAYYTaHR0cDovL2d2LnN5 bWNkLmNvbTAmBggrBgEFBQcwAoYaaHR0cDovL2d2LnN5bWNiLmNvbS9ndi5jcnQw DgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAh BgNVHREEGjAYghZtYWlsLmthbnRvZ2FrdWluLmVkLmpwMCsGA1UdHwQkMCIwIKAe oByGGmh0dHA6Ly9ndi5zeW1jYi5jb20vZ3YuY3JsMAwGA1UdEwEB/wQCMAAwQQYD VR0gBDowODA2BgZngQwBAgEwLDAqBggrBgEFBQcCARYeaHR0cHM6Ly93d3cucmFw aWRzc2wuY29tL2xlZ2FsMA0GCSqGSIb3DQEBCwUAA4IBAQBSMxl8388pn+GCFEGb C+DY3mXnpUvb2tlnjoJYkQtsXRrJDr4AX59lYjKkRbHtoJmekCnJxfnKMw634tsu pkSvE4mBmnfQ4I6DJTVHRuTQqlT5YjzCAkmKel++eDKh88VEVWRALCN6eRSPi0Mu NXOOj0uerXpQATK+E8Q31Qhm8uIlaNSdlq1dccP9lR5vRuEJvbMvr38dg1bUu4M6 cGxH7fsz1ZivNDW/NmIySHNeV8cslNKLby2sCtGRmyj/tZ/OtkJIbJYUG86dMKOr JQRoYI5oMmqM9jMtoIS8brov2JXTipY2++0MTpD0SVRbV5GIYFzP+ibZxLgeaQVn rYaq -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJl0xI58Zoa9qPKDEV7P Y/fwSO2ifYZdow1oIt+mA4vxSD+NA9Tea5Mq6fY68perrV29Y/uUf9UxLcw4OQJC +/t4rJ+0P/k/fUKGdm6pLG+P6ntT7K+IUBWd93QvkLYdJ6SQeLXFrxyGmmEgp3vM twFRzQtGfOP1sf0JgQD64KzN5wihePHjHAMoIBB5PAH8E04SgljZN6I9tlbS+rRL CkHq2AemNNOVSYvXfDIGkPp/sIeTLcFZIrEuJL/6ouS3qC/c6sp6T9Ur7PU9Oycj v68vMnqp9S7K0yDxj5ETIap8dWnw2bOl/m0NjL/GAT2gI6wJiwt3V8dCeDXoeluv AQIDAQAB -----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 330632 . . . . . . . . [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 '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 SHA256 CA - G3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-06-14 05:01:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-09-13 17:30:09 +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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GT52503494' . . . . . . . . . . . . [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)15' . . . . . . . . . . . . [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 'mail.kantogakuin.ed.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 19768847609891172982609861582783077254641698283880128047269895090960329006670830217081011220941766343580834006249651058441017148906430141324606831004302122598686084386249580316324756811705227745138059076241202905335029065001501043755617202395738524343122364008925381066406126435133413712186160585462369973270673924490061064110016529076290155138575890058191102264628987364325025600878037565694096136230610854412664382621377397716925303461519988558764501344828137554764532200106956838144649728949513412464513336354183636581314516428506176736816590003230412756884435737712029541339460489640848998095030423233160172777217 . . . . . . . . . . . . . . . . . . . . [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 c39cf3fcd3460834bbce467fa07c5bf3e208cb59 . . . . . . . . . . . . . . . . [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 (75 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://gv.symcd.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://gv.symcb.com/gv.crt' . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.kantogakuin.ed.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 (36 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://gv.symcb.com/gv.crl' . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [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: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.rapidssl.com/legal' . . . . [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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