www.jcnt.co.jp

Issued by GeoTrust DV SSL CA - G4

About this certificate

This digital certificate with serial number 51:5c was issued on by GeoTrust Inc..

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=www.jcnt.co.jp,OU=GT30204277+OU=See www.geotrust.com/resources/cps (c)14+OU=Domain Control Validated - QuickSSL(R) Premium

GeoTrust Inc.

Organization: GeoTrust Inc.
Organization unit: Domain Validated SSL
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 51:5c
Serial Number (int): 20828
Serial Number lenght: 15 bits, 2 octets

SubjectKeyId:
AuthorityKeyId: 0b:50:ec:77:ef:2a:9b:ff:ec:03:a1:0a:ff:ad:c6:e4:2a:18:c7:3e

Fingerprint (sha1): ac:ec:62:2f:ac:f0:62:46:74:8b:c7:ba:02:a6:c4:a9:a9:ba:3d:40
Fingerprint (sha256): ea:ee:09:2a:2e:08:34:ed:d7:39:3f:f1:06:d9:57:d4:79:98:dd:96:1e:2c:07:b0:ee:fe:00:ec:eb:43:ea:10

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

Revocation information

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

Check the revocation status for certificate www.jcnt.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.jcnt.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
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.jcnt.co.jp
jcnt.co.jp

Other certificates including the domain name jcnt.co.jp

(limited to 100 certificates)
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp
www.jcnt.co.jp

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA09kMVjxjGdgr5MckIRXA
EhR9IuJ4DWBWUxDKRNFZshN9tApNjYnsw2Dfo8ilQrhw09RvfF6qo0s/mmJWvl++
GwYyILzplWysqQq7mTdONGWULfxFTLme7527WmSSduitICFacJFQ/xiT9mTVbYyc
LWoZlpfgYvZs2Hpoc3YI0uR6w0dyqtNZ7bxAtgGh1WXyhwQqTAfKMKm8vVergTyC
Ln3mWslFbgsz4e2nhXFr/Jy+LNgR775cJ5EMaTQiEYCw4ajS1wjTrNBZywodGtav
qTqQfeFHqGziBwVQTabtjUTVtXXi6La+TcvMYfU/z/kLKpZfpU4wZjGkYcshG9FH
PQIDAQAB
-----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 20828
 . . . . . . . . [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 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Validated SSL'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GeoTrust DV SSL CA - G4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-12-17 23:50:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-18 19:31:52 +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 'GT30204277'
 . . . . . . . . . . . . [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.geotrust.com/resources/cps (c)14'
 . . . . . . . . . . . . [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 - QuickSSL(R) Premium'
 . . . . . . . . . . . . [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.jcnt.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 26743312799828648687280545293318693843751038516269547096503276040765881575659880881146080176024938086893506506963376463823180359967527103786744479342762969905794959435485555568140368152366191145750195972041626237140735718859673678867742386326424337651877833713942120898623868063772258213471443283502997353454748489681210120721077686379900482147582732113434192539280822884861300384380910603229367762090841213617011735539060560923787135087972698077531391661328481808721680287915755313251519283384848479709062748391912000208878884143253422478753050126940054498637347615180988587293796187604335110925822009479183723480893
 . . . . . . . . . . . . . . . . . . . . [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 0b50ec77ef2a9bffec03a10affadc6e42a18c73e
 . . . . . . . . . . . . . . . . [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://gu.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://gu.symcb.com/gu.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jcnt.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jcnt.co.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://gu.symcb.com/gu.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 (83 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.geotrust.com/resources/repository/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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