www.jcnt.co.jp

Issued by GeoTrust RSA CA 2018

About this certificate

This digital certificate with serial number 05:9c:78:0b:8e:5b:21:aa:4c:99:14:46:20:4c:00:45 was issued on by DigiCert 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)

Certificate Subject

CN=www.jcnt.co.jp

DigiCert Inc

Organization: DigiCert Inc
Organization unit: www.digicert.com
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 05:9c:78:0b:8e:5b:21:aa:4c:99:14:46:20:4c:00:45
Serial Number (int): 7458573093575280955704203280372203589
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: 3e:00:d2:c5:bc:1a:a4:47:5c:59:dc:c5:3b:f3:4b:e8:8f:92:b9:0d
AuthorityKeyId: 90:58:ff:b0:9c:75:a8:51:54:77:b1:ed:f2:a3:43:16:38:9e:6c:c5

Fingerprint (sha1): ed:9d:26:d5:c1:89:76:3b:36:f8:66:51:c5:91:bf:70:e8:5b:ea:7a
Fingerprint (sha256): 58:02:cf:13:18:98:ca:8e:7d:f6:d8:e2:28:64:54:c3:2f:7c:7a:0f:d5:95:75:60:a6:e5:48:61:66:2d:b5:82

Issuing Certificate URL: http://cacerts.geotrust.com/GeoTrustRSACA2018.crt

Revocation information

OCSP Server: http://status.geotrust.com
CRL Distribution Point: http://cdp.geotrust.com/GeoTrustRSACA2018.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

10 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-----
MIIEwjCCA6qgAwIBAgIQBZx4C45bIapMmRRGIEwARTANBgkqhkiG9w0BAQsFADBe
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMR0wGwYDVQQDExRHZW9UcnVzdCBSU0EgQ0EgMjAxODAe
Fw0xOTA0MjQwMDAwMDBaFw0yMDA2MjIxMjAwMDBaMBkxFzAVBgNVBAMTDnd3dy5q
Y250LmNvLmpwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9sme34MP
Yu/jp00KHjBtGv5aLhVU++t686wf71ZSuq/rLSncGeoUPSYcdKYDU38itVxHQQlz
oIlGJsgX/m+ljn/wEeDIpi/RB/Jil/3rTfJkU3j4LfxJNgHFek1wBOCebfw64NWn
5S1j5kwku9E5furrIJnZkggqm1bBSc1KG6jQtNPknVHt7A1AvBwx2KW+HWm2TSiU
V15DK9vCC2iaSdyNelrgJGJuiaI3CUysCa5JAzGek6yHTJVOOUIfUOCnIT1S0023
01PdobaIgXgBJwebms4sB03fi+U1cbJgu6sNt7ap2vAGhEX+fHNo2e5wgRlqZ922
Wn/oVnwYISyiXwIDAQABo4IBvzCCAbswHwYDVR0jBBgwFoAUkFj/sJx1qFFUd7Ht
8qNDFjiebMUwHQYDVR0OBBYEFD4A0sW8GqRHXFncxTvzS+iPkrkNMCUGA1UdEQQe
MByCDnd3dy5qY250LmNvLmpwggpqY250LmNvLmpwMA4GA1UdDwEB/wQEAwIFoDAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwPgYDVR0fBDcwNTAzoDGgL4Yt
aHR0cDovL2NkcC5nZW90cnVzdC5jb20vR2VvVHJ1c3RSU0FDQTIwMTguY3JsMEwG
A1UdIARFMEMwNwYJYIZIAYb9bAECMCowKAYIKwYBBQUHAgEWHGh0dHBzOi8vd3d3
LmRpZ2ljZXJ0LmNvbS9DUFMwCAYGZ4EMAQIBMHUGCCsGAQUFBwEBBGkwZzAmBggr
BgEFBQcwAYYaaHR0cDovL3N0YXR1cy5nZW90cnVzdC5jb20wPQYIKwYBBQUHMAKG
MWh0dHA6Ly9jYWNlcnRzLmdlb3RydXN0LmNvbS9HZW9UcnVzdFJTQUNBMjAxOC5j
cnQwCQYDVR0TBAIwADATBgorBgEEAdZ5AgQDAQH/BAIFADANBgkqhkiG9w0BAQsF
AAOCAQEAN4HFQTwtaxdmrrz6zyewR4wntXZapj97NiGuBstP5h0RUQA/5+7weJDp
6FsL2nxMW00mYR3rXwKD5jVvx4JoBf/lcuaNusjKFpwXshmnSLU5+Qd0Eu5L/bcC
7fg1+xcmujOPxb/pT2foYSuGKRMdNigHD9DhDUyQHPlZ1fwOj5Lyi8NY+hy2byz+
UUaEzCVzKivytBlEytcGATaqY89LAyVb5p/XZ9WD1Z1/xvQJGbNHVqYOBSYl5CXz
Ezm8qsaZ5CXFwB6ojgwsxvKFHeOdHZhC+dubx/tj//B+ub/HainsQGBMn4lcw6/i
NLghKR/4qZnet8sn/rKUUEK/FuDGZA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9sme34MPYu/jp00KHjBt
Gv5aLhVU++t686wf71ZSuq/rLSncGeoUPSYcdKYDU38itVxHQQlzoIlGJsgX/m+l
jn/wEeDIpi/RB/Jil/3rTfJkU3j4LfxJNgHFek1wBOCebfw64NWn5S1j5kwku9E5
furrIJnZkggqm1bBSc1KG6jQtNPknVHt7A1AvBwx2KW+HWm2TSiUV15DK9vCC2ia
SdyNelrgJGJuiaI3CUysCa5JAzGek6yHTJVOOUIfUOCnIT1S002301PdobaIgXgB
Jwebms4sB03fi+U1cbJgu6sNt7ap2vAGhEX+fHNo2e5wgRlqZ922Wn/oVnwYISyi
XwIDAQAB
-----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 7458573093575280955704203280372203589
 . . . . . . . . [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 'DigiCert 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 'www.digicert.com'
 . . . . . . . . . . . . [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 RSA CA 2018'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-24 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-22 12:00:00 +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.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 31154045844074284457822837460635947968662395538027493645039770331356826590883342693887392902328962075854272287060043708687671372600807461406094073854548263145999708956832604485896965991693099454890937906710725656430031085087084314391959275204882567405660193924585226502682215240689181685011928570275346462353945911661657414658728153417411899131433140188707337912354282337551464509785977192452148949978911533619114900945345661413911939801421827668066522635105230083495121205435345080896570795084410361977160185910963272154870394239949593411365541689560813775694239090439795535494617106544820184522625215086076665569887
 . . . . . . . . . . . . . . . . . . . . [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 9058ffb09c75a8515477b1edf2a34316389e6cc5
 . . . . . . . . . . . . . . . . [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)
							3e00d2c5bc1aa4475c59dcc53bf34be88f92b90d
 . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 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://cdp.geotrust.com/GeoTrustRSACA2018.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 (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.digicert.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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://status.geotrust.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://cacerts.geotrust.com/GeoTrustRSACA2018.crt'
 . . . . . . . . . . . . . . . . [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 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)
		003781c5413c2d6b1766aebcfacf27b0478c27b5765aa63f7b3621ae06cb4fe61d1151003fe7eef07890e9e85b0bda7c4c5b4d26611deb5f0283e6356fc7826805ffe572e68dbac8ca169c17b219a748b539f9077412ee4bfdb702edf835fb1726ba338fc5bfe94f67e8612b8629131d3628070fd0e10d4c901cf959d5fc0e8f92f28bc358fa1cb66f2cfe514684cc25732a2bf2b41944cad7060136aa63cf4b03255be69fd767d583d59d7fc6f40919b34756a60e052625e425f31339bcaac699e425c5c01ea88e0c2cc6f2851de39d1d9842f9db9bc7fb63fff07eb9bfc76a29ec40604c9f895cc3afe234b821291ff8a999deb7cb27feb2945042bf16e0c664