webmail.ks.ysknet.co.jp

Issued by GeoTrust DV SSL CA - G4

About this certificate

This digital certificate with serial number 02:6c:b7 was issued on by GeoTrust 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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=webmail.ks.ysknet.co.jp

GeoTrust Inc.

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

This certificate has expire since

Certificate Details

Serial Number (hex): 02:6c:b7
Serial Number (int): 158903
Serial Number lenght: 18 bits, 3 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): 95:69:9a:b7:7d:a8:8b:33:9f:03:5c:00:7d:29:1a:8a:98:e9:e6:0c
Fingerprint (sha256): 2e:8e:89:9e:2c:1b:ff:e4:26:a3:4c:f1:54:ba:7f:51:50:46:f5:c1:e6:bd:cf:e6:46:af:1a:22:df:57:91:3a

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 webmail.ks.ysknet.co.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.ks.ysknet.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

webmail.ks.ysknet.co.jp

Other certificates including the domain name ysknet.co.jp

(limited to 100 certificates)
support.vesal.tech
sfviaak.ysknet.co.jp
helpdesk.youtoocanrun.com
support.vesal.tech
helpdesk.youtoocanrun.com
support.vesal.tech
helpdesk.youtoocanrun.com
support.vesal.tech
support.vesal.tech
support.vesal.tech
ss-aqua.ysknet.co.jp
support.trackyourdebt.co.za
support.vesal.tech
raku2workflow.ysknet.co.jp
support.vesal.tech
www.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.vesal.tech
www.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.trackyourdebt.co.za
support.trackyourdebt.co.za
support.vesal.tech
sfviaak.ysknet.co.jp
support.vesal.tech
support.trackyourdebt.co.za
support.vesal.tech
www.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
webmail.ks.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.trackyourdebt.co.za
support.vesal.tech
support.vesal.tech
support.trackyourdebt.co.za
help.mycardholdersupport.com
support.vesal.tech
support.vesal.tech
wp.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
www.ysknet.co.jp
ysk-csc-h01.ysknet.co.jp
support.trackyourdebt.co.za
support.vesal.tech
support.vesal.tech
www.ysknet.co.jp
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
wp.ysknet.co.jp
support.vesal.tech
raku2workflow.ysknet.co.jp
support.vesal.tech
support.vesal.tech
help.aureo-systems.com
support.vesal.tech
support.vesal.tech
sfviaak.ysknet.co.jp
support.vesal.tech
www.ysknet.co.jp
support.kinectcommunications.com
support.trackyourdebt.co.za
support.vesal.tech
helpdesk.youtoocanrun.com
raku2workflow.ysknet.co.jp
www.ysknet.co.jp
support.vesal.tech
help.aureo-systems.com
support.vesal.tech
webmail.ks.ysknet.co.jp
support.vesal.tech
support.vesal.tech
wp.ysknet.co.jp
help.mycardholdersupport.com
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.vesal.tech
support.trackyourdebt.co.za
ss-aqua.ysknet.co.jp
wp.ysknet.co.jp
support.vesal.tech
wp.ysknet.co.jp

Certificate

The complete raw certificate details for webmail.ks.ysknet.co.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEazCCA1OgAwIBAgIDAmy3MA0GCSqGSIb3DQEBCwUAMGYxCzAJBgNVBAYTAlVT
MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMR0wGwYDVQQLExREb21haW4gVmFsaWRh
dGVkIFNTTDEgMB4GA1UEAxMXR2VvVHJ1c3QgRFYgU1NMIENBIC0gRzQwHhcNMTUx
MDIxMDkyODUyWhcNMTYxMTIxMTg0OTI1WjAiMSAwHgYDVQQDExd3ZWJtYWlsLmtz
Lnlza25ldC5jby5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAN3t
Wc3dcmNKzsqmK91CEKLVifHMG6BEASrgptD1m22stUFJx/7rn/WG7lTUfJqG6gT4
7TG9GIfdxglyTf2CJdlhisSiOKz2zpya2jxeFfeWZQCR3FG9KQEGMkffko7diqPC
oBO/+MG8Ccf5f6bwq8EbQu3rT1kbe0jVoKgeTg6sLoEQoOOvKysO71vQw1VLtr+5
/jkwQLo8gu0l/+UiW7do1qu99aziTwTKFroix8m3QAZ9d04Dog9QagKqK+XUIOM0
u5I/Dic1AHEk1l3Da1btciztM9OBDNmZx67kToP97DoJYfno7UtQFO5bQvqGfL6K
tE6XRubfv9wK4iaeG7MCAwEAAaOCAWQwggFgMB8GA1UdIwQYMBaAFAtQ7HfvKpv/
7AOhCv+txuQqGMc+MFcGCCsGAQUFBwEBBEswSTAfBggrBgEFBQcwAYYTaHR0cDov
L2d1LnN5bWNkLmNvbTAmBggrBgEFBQcwAoYaaHR0cDovL2d1LnN5bWNiLmNvbS9n
dS5jcnQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
BQcDAjAiBgNVHREEGzAZghd3ZWJtYWlsLmtzLnlza25ldC5jby5qcDArBgNVHR8E
JDAiMCCgHqAchhpodHRwOi8vZ3Uuc3ltY2IuY29tL2d1LmNybDAMBgNVHRMBAf8E
AjAAMFYGA1UdIARPME0wSwYGZ4EMAQIBMEEwPwYIKwYBBQUHAgEWM2h0dHBzOi8v
d3d3Lmdlb3RydXN0LmNvbS9yZXNvdXJjZXMvcmVwb3NpdG9yeS9sZWdhbDANBgkq
hkiG9w0BAQsFAAOCAQEA3Gai6rdJVzlVrKXjm+rRwLGBgTp9T1SsZlq/HrpGqNIJ
wf6vVcRyAyITu4Va6UUcs6n2Ucp1Pc5xj1sG89mCiHcWI/BLSMvu7XJeGuwqKF7l
6HIbYEuyXWC2sUttd8aWF9GYJh+qxuOx0xC2KB0uH+0howut8E+GBHTOqXTGxPGW
JO8xhocsaGVarvramzDbY5DSIJ3u4CNlQn6SGnH533MjMN72A/fHee0Dy1fGQFyg
EuxS9Z1O5Mo6Ah740KmxWJxAhSwnvOxOoRcaNIMPDul9Z4Etd5OMZVYoHH1YoAA+
1j80JXCmMFO4pAcXKbev52dMqnDqLDegU0Z8ygF98Q==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3e1Zzd1yY0rOyqYr3UIQ
otWJ8cwboEQBKuCm0PWbbay1QUnH/uuf9YbuVNR8mobqBPjtMb0Yh93GCXJN/YIl
2WGKxKI4rPbOnJraPF4V95ZlAJHcUb0pAQYyR9+Sjt2Ko8KgE7/4wbwJx/l/pvCr
wRtC7etPWRt7SNWgqB5ODqwugRCg468rKw7vW9DDVUu2v7n+OTBAujyC7SX/5SJb
t2jWq731rOJPBMoWuiLHybdABn13TgOiD1BqAqor5dQg4zS7kj8OJzUAcSTWXcNr
Vu1yLO0z04EM2ZnHruROg/3sOglh+ejtS1AU7ltC+oZ8voq0TpdG5t+/3AriJp4b
swIDAQAB
-----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 158903
 . . . . . . . . [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 2015-10-21 09:28:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-21 18:49:25 +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 'webmail.ks.ysknet.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 28015707437963293988259507877839027795478211365696544742688894330347731665337864940917852392263137457857281721242080426941793226615536925766547635778822860798951764982248411695105370167730929092135480602864031806976687781501301146401986347474674718580724273850190117154218434013389427254912413650505310085440759942826121730832526306561938029806132533061519266816633316969392385381999474944700036143780689532393062067240369089623538367205682169450923430906336914806413859709789480394316579939235819979104679642448429359602800058016496651294840007997855500183581651984982590717850941871060488305880045406521525266160563
 . . . . . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.ks.ysknet.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 (79 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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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