www.c-kouge.jp

Issued by KDDI Web Communications Certification Authority 2

About this certificate

This digital certificate with serial number 13:f3:d9:98:0d:17:af:a4 was issued on by KDDI Web Communications Inc..

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

KDDI Web Communications Inc.

Organization: KDDI Web Communications Inc.
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 13:f3:d9:98:0d:17:af:a4
Serial Number (int): 1437731953139232676
Serial Number lenght: 61 bits, 8 octets

SubjectKeyId: 94:ce:ac:f2:2d:3b:75:f1:e8:b9:e1:bc:b9:58:3e:0a:95:d0:fb:5e
AuthorityKeyId: 09:91:88:db:80:ba:6b:cb:86:aa:3d:9d:ec:47:ee:1c:3c:33:96:78

Fingerprint (sha1): 20:bd:f7:d3:e3:f4:cc:77:1a:bd:66:dc:d2:8e:f0:0a:a7:d8:fb:12
Fingerprint (sha256): 82:34:17:7c:aa:e0:a5:c1:f5:ce:dc:97:19:6b:14:4c:13:c6:b9:80:84:4f:b6:d0:a0:25:d8:f5:99:9e:95:41


Revocation information

OCSP Server: http://kddiweb2.ocsp.secomtrust.net
CRL Distribution Point: http://repo1.secomtrust.net/sppca/kddiweb2/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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsaT8N75XXn5xiV59zkgr
/nyZEp+yTBdoiVoKzraLoDHubdj3NU/EJ4SEOzNXR7k7UczNO/XaD++EhcjIudzj
Z9JZNdPOeT13asxAraHqhf4+R8aIogLbTk77wKqd/9LcecKg4czgrCslOj7OZJ7B
pyios/C0+NvAprde9YAE/p3JOlKrlIL8MNAC+djp0MbY2Z0ELq1ZUgLz6z39JS3V
KJlK0T6c3FE95iZ7wRKe7UE6WqeR4ZIIZWVBSn0ElxYMDxkwHL+rTYjW5YF13jr9
l1gYys9tQrDxQkIF7CUKK3E/8GY6+ztzsuhJ+PrBTF6HSsuROkm3rkeQQ6aLrFNI
lwIDAQAB
-----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 1437731953139232676
 . . . . . . . . [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 2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-31 02:21:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-06 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 22425537225951314442873636303002383303533391630025292196981395577820824965418113049324983067556480179667805938155877676774296834147981895068687280794330753504359998204058842070051604589053882316959877450860790693928937193962280238858589583857897293361472741335861691281209088856923665531511740793983742068837046922495659401973938541931469832644690303726941483001693671639367212372121542005465636958760278482286489714575567338368207555983874418149069337876428456794289199952035816008759796332596267873454069637511338256946320669852953242051795574203449472207557131655787829758457246998940957450539243448319289616189591
 . . . . . . . . . . . . . . . . . . . . [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 099188db80ba6bcb86aa3d9dec47ee1c3c339678
 . . . . . . . . . . . . . . . . [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://kddiweb2.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 1.2.392.200091.110.141.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/kddiweb2/'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/kddiweb2/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)
							94ceacf22d3b75f1e8b9e1bcb9583e0a95d0fb5e
 . . . . . . . . . . . . . . . . [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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