www.jcnt.co.jp

Issued by GeoTrust DV SSL CA - G3

About this certificate

This digital certificate with serial number 7e:1b:ad:ed:52:9e:ce:f7:82:ab:e5:5f:0c:0d:b4:62 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

GeoTrust Inc.

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

This certificate has expire since

Certificate Details

Serial Number (hex): 7e:1b:ad:ed:52:9e:ce:f7:82:ab:e5:5f:0c:0d:b4:62
Serial Number (int): 167626447143585546409587901581144994914
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: ad:65:22:85:90:d0:3b:e3:a1:49:8b:37:f9:f1:0b:1d:5f:17:a0:77

Fingerprint (sha1): 57:ee:d4:4a:dc:cc:69:cf:ea:ea:a2:27:2f:59:14:7b:7b:9f:a4:fd
Fingerprint (sha256): 69:a5:42:68:d5:a7:3d:af:96:48:6e:e5:e8:c5:c0:ee:a7:5c:e8:01:e6:e8:9a:12:62:dd:59:b2:1c:f0:bd:87

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

Revocation information

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

9 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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz0rL3YqKINqgvpBZtux/
0Iuj9Jnu5no7cJ8aVkFTPFUixokWUDbt/1Duto+JWVI5YW+DDF3gkh3gucdl2MF+
dA0cdTiyIhjVwAAcR8wkswtuUNEp2tcXCOhIuv3XmrdvYjA+642SvKaz8v3wpgcT
CJHEOrtgrUY/hHWbD8qvqvAy12/hL6TPNC5L2hr23OwanqvrpLqlG4GHQKsOSPLD
IRuSf2ZlV474Jb9xJM6Z3fMs02vhsLPmr9/CESG+2rxzNwkp0ZAIQY76OgTFTyXU
KpUsqnKRAhoQL3lpz3hRT5c9ZSaTFip93WuhgMAJTveXNFamerVrTy5irSWKSYDS
PwIDAQAB
-----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 167626447143585546409587901581144994914
 . . . . . . . . [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 - G3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-23 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-22 23:59:59 +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:12|false] UTF8String '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 26168212582429820094830708156425342679462822825092631523327853413696343477124629379839936730183534321701641663777275894825610102773557336154455545896117859712804341956718348719835139397973790991212644772474287740606774744179642081666144666021578956241694682170059236109796648078593302467204938095274769247735411089739681272329484983455655498931414139845961031687822970276531528896420159801383835577595976088613342532328841523518234995490009181367605477712105175980040688863662560009649939192984787339693020529565400955536956110362717333627151764647850200537618170163762385829623758691691383630002546616598155755573823
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (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://gt.symcb.com/gt.crl'
 . . . . . . . . . . . . . . . . [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 (149 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . [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 ad65228590d03be3a1498b37f9f10b1d5f17a077
 . . . . . . . . . . . . . . . . [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 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://gt.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://gt.symcb.com/gt.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500ddeb1d2b7a0d4fa6208b81ad8168707e2e8e9d01d55c888d3d11c4cdb6ecbecc0000015afad3eab60000040300463044022063699f7cb91b72cd737b64389c0ed1c7c83e8b8b24a9844ce9ca311bb4d5ae4102204c8d48e1df07edc658ace495b47b178c991726e768db5a7028abd814f49d199c007500a4b90990b418581487bb13a2cc67700a3c359804f91bdfb8e377cd0ec80ddc100000015afad3eae4000004030046304402202c2aed24504178794f6f32de11e432213d87be637c6ba3bd80396ad85ca66be20220416b376fba817ed5e0459d2550d69287fbc23f18bc339b13f5331ed7a29e7964
 . . . . [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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