www.3kyu.co.jp

Issued by KDDI Web Communications Certification Authority

About this certificate


This digital certificate with serial number 63:74:c8:e1:92:db:a3:67 was issued on by KDDI Web Communications 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.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains no Authority Info Access Issuers
  • WARNING: Certificate contains unknown extension ([2.16.840.1.113730.1.1])

fifty-fields Inc.

Organization: fifty-fields Inc.
State / Province: Hosting Service
Locality: Instant CPI SSL
Country: JP

KDDI Web Communications Inc.

Organization: KDDI Web Communications Inc.
State / Province: Hosting Service
Locality: Instant CPI SSL
Country: JP

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 63:74:c8:e1:92:db:a3:67
Serial Number (int): 7166573778210366311
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: ab:2b:71:74:1a:2a:be:7a:03:88:8e:4d:ae:00:9b:fc:77:de:44:6a
AuthorityKeyId: 6d:9d:1f:00:11:1a:4d:00:aa:b4:4a:44:60:22:ca:ee:f2:5d:eb:f2

Fingerprint (sha1): c4:77:73:51:a8:91:0d:31:c6:ba:0f:37:f4:0c:0e:79:70:50:f0:43
Fingerprint (sha256): bf:3d:0b:a9:45:42:7e:e4:28:eb:f0:c3:ee:0b:02:62:c5:6d:cf:e6:f5:b4:7a:19:0e:c4:6f:eb:13:22:fe:bd


Revocation information

OCSP Server: http://kddiweb.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/kddiweb/fullCRL.crl

Check the revocation status for the current certificate on www.3kyu.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

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server 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: www.3kyu.co.jp

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE2zCCA8OgAwIBAgIIY3TI4ZLbo2cwDQYJKoZIhvcNAQELBQAwbjELMAkGA1UE BhMCSlAxJTAjBgNVBAoTHEtEREkgV2ViIENvbW11bmljYXRpb25zIEluYy4xODA2 BgNVBAMTL0tEREkgV2ViIENvbW11bmljYXRpb25zIENlcnRpZmljYXRpb24gQXV0 aG9yaXR5MB4XDTE1MDkzMDA4NDgwOVoXDTE2MDkzMDE0NTk1OVowdjELMAkGA1UE BhMCSlAxGDAWBgNVBAgTD0hvc3RpbmcgU2VydmljZTEYMBYGA1UEBxMPSW5zdGFu dCBDUEkgU1NMMRowGAYDVQQKExFmaWZ0eS1maWVsZHMgSW5jLjEXMBUGA1UEAxMO d3d3LjNreXUuY28uanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCq fmHgmgGxSM9oS6S27NDf0FJjQd4yMCImOTMOgCXh009EEi11hQRfC2ko3My+Bs9R 8KU1dHjJg9/aO/vQ9AqJU81KkK+lKDia25qYC9WH/mk50waCp7kN2mrK9Ul09mtH jaxz+AmD9TY5uKCQRHlRpBFfkZiTC30mZ2aU8l/M8Na8wWOHrZyBxXh41g8JCB1H VMWS+uW724mVlfah8Wy7tfR/2Xdtbm2mVXu/jFF0soV09cNXpgAvaljw82zpPYBN r6PRZpEMP/km8S9pJfDmylIhLbMp+57a9/ZBypNeQSb5E9Exs5206BZyCNib2JLx BU7grmxSCT7ZfIGFRrctAgMBAAGjggFzMIIBbzAOBgNVHQ8BAf8EBAMCBaAwEwYD VR0lBAwwCgYIKwYBBQUHAwEwHQYDVR0OBBYEFKsrcXQaKr56A4iOTa4Am/x33kRq MB8GA1UdIwQYMBaAFG2dHwARGk0AqrRKRGAiyu7yXevyMBkGA1UdEQQSMBCCDnd3 dy4za3l1LmNvLmpwMFIGA1UdIARLMEkwRwYKKoMIjJsbboENAjA5MDcGCCsGAQUF BwIBFitodHRwczovL3JlcG8xLnNlY29tdHJ1c3QubmV0L3NwcGNhL2tkZGl3ZWIv MEYGA1UdHwQ/MD0wO6A5oDeGNWh0dHA6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9z cHBjYS9rZGRpd2ViL2Z1bGxDUkwuY3JsMD4GCCsGAQUFBwEBBDIwMDAuBggrBgEF BQcwAYYiaHR0cDovL2tkZGl3ZWIub2NzcC5zZWNvbXRydXN0Lm5ldDARBglghkgB hvhCAQEEBAMCBkAwDQYJKoZIhvcNAQELBQADggEBAJ1aBw2mLlsdcHbv+lSLcLNi G++JRCGeZ405Pv9pE3i+Ez8QdwYs/Cfn8+eyk4+/fGV6k/Z7THQxEIF7+Gx/B8LB DY47z+6A9pyrEwgHXy5Z02i7hNcwJHyeXO3Y1MX7Vv1s2pe0hPQXN0HxXKzvDkUA /hnOBUpYVFPZvMMrmW50ca2/v+MhGRu2eU5+/wWmnYWVhdje5CEUmoaY6IeZ3aYz KgkFg2NJwdDatMMa5iSPF9msNSIq1Fc+xDRdE0kN8BNenWFtxe9KHPXqbVnxR0QB rIfESRX5t68xM1/A9KUMT1Rpm7XakAihzvTVXSwEWvU+Ob1/vuMVgTKNuvj0XYA= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqn5h4JoBsUjPaEuktuzQ 39BSY0HeMjAiJjkzDoAl4dNPRBItdYUEXwtpKNzMvgbPUfClNXR4yYPf2jv70PQK iVPNSpCvpSg4mtuamAvVh/5pOdMGgqe5DdpqyvVJdPZrR42sc/gJg/U2ObigkER5 UaQRX5GYkwt9JmdmlPJfzPDWvMFjh62cgcV4eNYPCQgdR1TFkvrlu9uJlZX2ofFs u7X0f9l3bW5tplV7v4xRdLKFdPXDV6YAL2pY8PNs6T2ATa+j0WaRDD/5JvEvaSXw 5spSIS2zKfue2vf2QcqTXkEm+RPRMbOdtOgWcgjYm9iS8QVO4K5sUgk+2XyBhUa3 LQIDAQAB -----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 7166573778210366311 . . . . . . . . [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 'JP' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'KDDI Web Communications 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 'KDDI Web Communications Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-09-30 08:48:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-09-30 14:59:59 +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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Hosting Service' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Instant CPI SSL' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'fifty-fields 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 'www.3kyu.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 21522833295580948448553186153473704098991239830580295829919157025302003493110500138301952362447831135049843824404496047633935496899335109854043686201454272853810505587155137949179309632351619815462062614039828922922545486423624238084840167858663438020148421500943552841077489221074668958666215266717271972610633011290411228250097368963053006642720146660405623301782740356860434973639015908671642995620291063235838431127701620759963325358038586248478187080428989338473909769177595405390604486581190519704165896628916349132853707052738518945527745368362472660742568286969719317022116107488081898866279745715787679577901 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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) ab2b71741a2abe7a03888e4dae009bfc77de446a . . . . . . . . . . . . . . . . [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 6d9d1f00111a4d00aab44a446022caeef25debf2 . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.3kyu.co.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 (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 1.2.392.200091.110.141.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://repo1.secomtrust.net/sppca/kddiweb/' . . . . . . . . . . . . . . . . [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 (63 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://repo1.secomtrust.net/sppca/kddiweb/fullCRL.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 (50 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://kddiweb.ocsp.secomtrust.net' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113730.1.1 (netscape-cert-type) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2 bits) 0640 . . . . [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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