www.mu-associate.co.jp

- Musashino university Business support,Ltd -

Issued by KDDI Web Communications Certification Authority

About this certificate

This digital certificate with serial number 7b:4b:bb:4b:d6:ba:ef:79 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)

Musashino university Business support,Ltd

Organization: Musashino university Business support,Ltd
State / Province: Hosting Service
Locality: Instant CPI SSL
Country: JP

KDDI Web Communications Inc.

Organization: KDDI Web Communications Inc.
Country: JP

This certificate has expire since

Certificate Details

Serial Number (hex): 7b:4b:bb:4b:d6:ba:ef:79
Serial Number (int): 8884400624317951865
Serial Number lenght: 63 bits, 8 octets

SubjectKeyId: 62:bc:6f:6b:de:05:02:a2:02:b3:4f:3f:82:5a:7e:8d:7c:f2:cb:42
AuthorityKeyId: 6d:9d:1f:00:11:1a:4d:00:aa:b4:4a:44:60:22:ca:ee:f2:5d:eb:f2

Fingerprint (sha1): fa:5d:70:70:88:5c:e3:17:10:ff:75:f3:21:d0:93:53:d0:de:05:29
Fingerprint (sha256): d9:dd:aa:64:aa:b6:f7:95:2e:70:ce:10:9a:a1:b4:a3:d1:f6:ea:3d:d6:59:b2:c9:f5:10:af:83:76:7c:c1:98


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 certificate www.mu-associate.co.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mu-associate.co.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.mu-associate.co.jp

Other certificates including the domain name mu-associate.co.jp

(limited to 100 certificates)
www.mu-associate.co.jp
www.mu-associate.co.jp
www.mu-associate.co.jp
www.mu-associate.co.jp
www.mu-associate.co.jp
www.mu-associate.co.jp
www.mu-associate.co.jp

Certificate

The complete raw certificate details for www.mu-associate.co.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoJCVBJP5AWxYpzXU5aIw
7yoY7Rh0H+AM8L1Uaq5a6rsuOaMVwIZagQ5RAaBfSY7lztggGcXuHjQVnb8la1Rw
FACFi/uPk1rNmkvKNeVHExd65zaLF41k7JFVb9qj4th3fTQwSVAMRMFPLcvT3UrN
EXXtAbzYYELmkza0mNwylaIqkijN/kPEfz3s0Ej6UdU5mNSihErvs1H9q8AVNiKn
NRBl5OCvax+untqMJ9eJSjqMgsK3n8d1YbhEI6lHjjlaFyDlge3n4BhpjMNhanxl
LXzl1BEjcdxoHVQgTa78QhYaU/wHp8pNcsvw2Ghh+IM5rLbkIWG7aQ3HIcpJBWQj
hwIDAQAB
-----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 8884400624317951865
 . . . . . . . . [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 2017-12-01 01:45:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-12 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 'Musashino university Business support,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 'www.mu-associate.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 20269424885865974971816094851835054983509278031261661803368647319644625761347203236013562811816164689278047287559694952331861337341875244856832369536077638052027583535858528338137791482692513696245123560698548103440729883838705218204030186438588064207040766701891096166011333588393576726111673777478333501405182027396576101807102073424228860323302276486147197122615558550992791054258911232414578406551224952375600115510138173488014258889493059443058822178999872717853850487225294144059224825619797414562522222340792646549725767738695473922149921997335766448211951214990290609577751656392634275407390522595843277857671
 . . . . . . . . . . . . . . . . . . . . [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)
							62bc6f6bde0502a202b34f3f825a7e8d7cf2cb42
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mu-associate.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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