www.c-kouge.jp

Issued by KDDI Web Communications Certification Authority 3

About this certificate

This digital certificate with serial number 1d:b0:bb:b2:86:34:5a:44:b5:b8:0b:42:6f:ea:19:01 was issued on by SECOM Trust Systems CO.,LTD..

This 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. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
  • Subscriber certificates authorityInformationAccess extension should contain the HTTP URL of the issuing CA’s certificate (BRs: 7.1.2.3)

Certificate Subject

CN=www.c-kouge.jp

SECOM Trust Systems CO.,LTD.

Organization: SECOM Trust Systems CO.,LTD.
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 1d:b0:bb:b2:86:34:5a:44:b5:b8:0b:42:6f:ea:19:01
Serial Number (int): 39465263079607782117389625391963576577
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: fa:7e:26:c6:6b:86:4e:d6:de:25:b8:2f:62:f3:56:db:02:b8:52:4b
AuthorityKeyId: d5:85:07:1e:68:1b:a7:2f:8f:d5:ca:92:60:52:d1:71:08:5d:70:b0

Fingerprint (sha1): 16:22:a0:72:21:43:e4:79:e4:68:7f:e3:72:3c:6b:63:f9:03:ef:dd
Fingerprint (sha256): de:87:d6:ba:a5:9e:ad:4c:40:13:bc:ec:ab:f7:d8:f1:74:da:a7:37:0e:f9:65:59:77:57:3a:e9:16:51:04:3d


Revocation information

OCSP Server: http://kddiweb3.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/kddiweb3/fullCRL.crl

Check the revocation status for certificate www.c-kouge.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.c-kouge.jp

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

www.c-kouge.jp

Other certificates including the domain name c-kouge.jp

(limited to 100 certificates)
www.c-kouge.jp
www.c-kouge.jp
www.c-kouge.jp
www.c-kouge.jp
www.c-kouge.jp
www.c-kouge.jp
www.c-kouge.jp

Certificate

The complete raw certificate details for www.c-kouge.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIElzCCA3+gAwIBAgIQHbC7soY0WkS1uAtCb+oZATANBgkqhkiG9w0BAQsFADBw
MQswCQYDVQQGEwJKUDElMCMGA1UEChMcU0VDT00gVHJ1c3QgU3lzdGVtcyBDTy4s
TFRELjE6MDgGA1UEAxMxS0RESSBXZWIgQ29tbXVuaWNhdGlvbnMgQ2VydGlmaWNh
dGlvbiBBdXRob3JpdHkgMzAeFw0xOTA2MDUwNTIxMzNaFw0yMDA2MDYxNDU5NTla
MBkxFzAVBgNVBAMTDnd3dy5jLWtvdWdlLmpwMIIBIjANBgkqhkiG9w0BAQEFAAOC
AQ8AMIIBCgKCAQEAzJu9X/B6hu2j6IB25/KayiniUGMlh4kNzYqWX7ZZgLvykQxq
Gq0WmPGga2PGi8wr48gK9Xi5ubwZJ6DDN0Nh1ZCh8NL6hyMq+LIE8rNXIGIAlu6g
Yt+ZyDlHepWEzjstE3KJ1jLCuwSANkJXbG94gzV8P3MzXRH90+W0kk4/dlhmiyZv
jwAUrqIe44AG2Z5jTuRrM1uTw+rwexBQmr2pR/T5PLvVMgtv1Zz1UhUdq5gmVV4r
2HT6Q2eJGRtgy4obzLvPu2mwU+2cUafHnBwqa37770P4u+HN9Yjki6dP6rR19MvS
Jx1yPKHZSN7CA4lMMCtItLqpnuXbwyIiLj38QwIDAQABo4IBgjCCAX4wHwYDVR0j
BBgwFoAU1YUHHmgbpy+P1cqSYFLRcQhdcLAwPwYIKwYBBQUHAQEEMzAxMC8GCCsG
AQUFBzABhiNodHRwOi8va2RkaXdlYjMub2NzcC5zZWNvbXRydXN0Lm5ldDAZBgNV
HREEEjAQgg53d3cuYy1rb3VnZS5qcDBdBgNVHSAEVjBUMEgGCiqDCIybG26BVQMw
OjA4BggrBgEFBQcCARYsaHR0cHM6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcHBj
YS9rZGRpd2ViMy8wCAYGZ4EMAQIBMBMGA1UdJQQMMAoGCCsGAQUFBwMBMEcGA1Ud
HwRAMD4wPKA6oDiGNmh0dHA6Ly9yZXBvMS5zZWNvbXRydXN0Lm5ldC9zcHBjYS9r
ZGRpd2ViMy9mdWxsQ1JMLmNybDAdBgNVHQ4EFgQU+n4mxmuGTtbeJbgvYvNW2wK4
UkswDgYDVR0PAQH/BAQDAgWgMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3
DQEBCwUAA4IBAQB2HhMbK5aCqSH8ChVdYyzcuTCZ4Yv4owxx6roDBjQ8fDrNGRn0
KMhfeKu6VKy+4Um/3DjcaJWdL5hQ0/ZF1ViSYO8Kz1gvLfdlpVDwCzWNWtblk/X0
u7S3XgBvqVMbOyIHhzebkzsfJuS9JduTdtBCRHuAn74SMzmx/f3h2n2uww/LItGr
3xZtNBzrUe01jZw0tMix9fAZtk3zyaiNH6myciOYYMttV5zJBpO+R+aUu7rl4zvh
vT5M7hLzu+4ZgR5pYu4ZXBAsxNAt3O3AAqiGI81kDrkSgiVyg2xh66WObiYUmTDH
QcWhIXDyMhf3W2a1SDL4reMCvNGIxXC2cZY6
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzJu9X/B6hu2j6IB25/Ka
yiniUGMlh4kNzYqWX7ZZgLvykQxqGq0WmPGga2PGi8wr48gK9Xi5ubwZJ6DDN0Nh
1ZCh8NL6hyMq+LIE8rNXIGIAlu6gYt+ZyDlHepWEzjstE3KJ1jLCuwSANkJXbG94
gzV8P3MzXRH90+W0kk4/dlhmiyZvjwAUrqIe44AG2Z5jTuRrM1uTw+rwexBQmr2p
R/T5PLvVMgtv1Zz1UhUdq5gmVV4r2HT6Q2eJGRtgy4obzLvPu2mwU+2cUafHnBwq
a37770P4u+HN9Yjki6dP6rR19MvSJx1yPKHZSN7CA4lMMCtItLqpnuXbwyIiLj38
QwIDAQAB
-----END PUBLIC KEY-----

ASN.1 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 39465263079607782117389625391963576577
 . . . . . . . . [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 'SECOM Trust Systems CO.,LTD.'
 . . . . . . . . . . . . [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 3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-05 05:21:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-06 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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.c-kouge.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 25829412343724124777400558103220199329213536839742916594141329603567582985575803028803966037335878035016668701811832642954000076368975822353622089023081306850734094347182601181370738554873067096899329646194283776437192618109178239129235331179978167282977109815225289186924847853957161393600703317360037523270746806768662900855428171366529916057795892264243089320254622038711553608953299326055669260287926583709341914791964192297634503658454930198229595368647847952809664778584295314721392886006760039533600347033935461711433877904464007996648491053738392665778190760060114029705972161186233511750766981006681435929667
 . . . . . . . . . . . . . . . . . . . . [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 d585071e681ba72f8fd5ca926052d171085d70b0
 . . . . . . . . . . . . . . . . [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 (51 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://kddiweb3.ocsp.secomtrust.net'
 . . . . . . . . . . . . . . . . [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.c-kouge.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 (86 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.392.200091.110.213.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/kddiweb3/'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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: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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (64 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/kddiweb3/fullCRL.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)
							fa7e26c66b864ed6de25b82f62f356db02b8524b
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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