wakuwakustudyworld.co.jp

Issued by RapidSSL SHA256 CA

About this certificate

This digital certificate with serial number 40:c4:eb:59:1a:c7:66:64:bf:a1:1b:2c:b3:03:37:74 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=wakuwakustudyworld.co.jp

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 40:c4:eb:59:1a:c7:66:64:bf:a1:1b:2c:b3:03:37:74
Serial Number (int): 86093055340358434026433593446601275252
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: 97:c2:27:50:9e:c2:c9:ec:0c:88:32:c8:7c:ad:e2:a6:01:4f:da:6f

Fingerprint (sha1): fd:d1:2e:fe:9d:f2:7d:2a:83:f8:41:f7:25:e0:a9:61:0c:e6:0c:99
Fingerprint (sha256): 3e:85:79:1c:bf:8e:ba:07:e0:09:1a:7d:17:bd:b1:b8:cf:b2:80:6c:ad:c1:28:48:b5:8e:c2:ff:58:0d:d2:e4

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

Revocation information

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

Check the revocation status for certificate wakuwakustudyworld.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wakuwakustudyworld.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

wakuwakustudyworld.co.jp
www.wakuwakustudyworld.co.jp

Other certificates including the domain name wakuwakustudyworld.co.jp

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEnzCCA4egAwIBAgIQQMTrWRrHZmS/oRssswM3dDANBgkqhkiG9w0BAQsFADBC
MQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEbMBkGA1UEAxMS
UmFwaWRTU0wgU0hBMjU2IENBMB4XDTE2MTIwNTAwMDAwMFoXDTE3MTIwNTIzNTk1
OVowIzEhMB8GA1UEAwwYd2FrdXdha3VzdHVkeXdvcmxkLmNvLmpwMIIBIjANBgkq
hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoBdVJ/aY33C2qrd/i3pQewzOeVOSpK5l
kQrE1ISqeGOvK48Hfg0LCl7nxfoyWLCkoG41Ef78VmicSzIwEWsDG+8kkbeH4aPH
APO2o6NDaj3cP76KfNdzWNU40AvtNaGg9/qjSNRtveMqZO5l/hFPfqCqnohxxC+W
vtThT+yTh8qF02jAAI3fcWODWWmPb52TksMDtJp+pWC9uwgWK271Q8H9FLClv48m
nctjFTJo8UhEJjFFXUbM3NZYMbmXyf+wr/sbfmyPq462o5d0I0jOe/xDjiKN/RaQ
nIuagruvjfzh5Cxoku+p35BTxLAIzIs5V3S5768VOG1PdQ3S9p2WrwIDAQABo4IB
rjCCAaowQQYDVR0RBDowOIIYd2FrdXdha3VzdHVkeXdvcmxkLmNvLmpwghx3d3cu
d2FrdXdha3VzdHVkeXdvcmxkLmNvLmpwMAkGA1UdEwQCMAAwKwYDVR0fBCQwIjAg
oB6gHIYaaHR0cDovL2dwLnN5bWNiLmNvbS9ncC5jcmwwbwYDVR0gBGgwZjBkBgZn
gQwBAgEwWjAqBggrBgEFBQcCARYeaHR0cHM6Ly93d3cucmFwaWRzc2wuY29tL2xl
Z2FsMCwGCCsGAQUFBwICMCAMHmh0dHBzOi8vd3d3LnJhcGlkc3NsLmNvbS9sZWdh
bDAfBgNVHSMEGDAWgBSXwidQnsLJ7AyIMsh8reKmAU/abzAOBgNVHQ8BAf8EBAMC
BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMFcGCCsGAQUFBwEBBEsw
STAfBggrBgEFBQcwAYYTaHR0cDovL2dwLnN5bWNkLmNvbTAmBggrBgEFBQcwAoYa
aHR0cDovL2dwLnN5bWNiLmNvbS9ncC5jcnQwEwYKKwYBBAHWeQIEAwEB/wQCBQAw
DQYJKoZIhvcNAQELBQADggEBABZOmtZAA5gOL7kxnfZ2e3uPdV3fQpflcz5kFI3R
3D8uJLeiNlLw8ug1BaejmLI5Pm6lAPW8DefQewQXOTH/NzHpm5/v79mpXuor4pt2
iQlG0nq4xhverNHZFfyCFHg8TFQ6PX1gFUUZfi8epVs5QTWphCa4PLPxqMsLL2s/
lP0UWQDQJrazhq0eMuMZKy0ZuC1c4xn2NQh3EoxTFh//fBCLJAZMEHR12NUBJxct
2KzoyDDTbDKtEFpUlRe3gdmmnL56umCdQsuT+FRunGYXL4CvX+WjkaXnrer2HgUl
AOWbI6rjFPj5hWP7dxCf+8tU9xaPMOBjinaQO2+sONydrjs=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoBdVJ/aY33C2qrd/i3pQ
ewzOeVOSpK5lkQrE1ISqeGOvK48Hfg0LCl7nxfoyWLCkoG41Ef78VmicSzIwEWsD
G+8kkbeH4aPHAPO2o6NDaj3cP76KfNdzWNU40AvtNaGg9/qjSNRtveMqZO5l/hFP
fqCqnohxxC+WvtThT+yTh8qF02jAAI3fcWODWWmPb52TksMDtJp+pWC9uwgWK271
Q8H9FLClv48mnctjFTJo8UhEJjFFXUbM3NZYMbmXyf+wr/sbfmyPq462o5d0I0jO
e/xDjiKN/RaQnIuagruvjfzh5Cxoku+p35BTxLAIzIs5V3S5768VOG1PdQ3S9p2W
rwIDAQAB
-----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 86093055340358434026433593446601275252
 . . . . . . . . [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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'RapidSSL SHA256 CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-05 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-05 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 'wakuwakustudyworld.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 20209634548692079407207282352840021565129976807324465459635153939011536302613909924975266193443602347998016916992473907041268451080903791166418984931109626002228237312944846763104988378235553144644933426013884381555998114059467144568212015464365330715651654998219002175795771916018494789941753634426744716118244713544430318213786862592932474173292732582520323376479918537100238519473475888688962664869610531019326647408588457440450837542064803769450901934164245891005579126167795131897120190216863112345143701147241563364088514056964666892504067510348553351466970770284246157376649069576054241653501756760472925607599
 . . . . . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wakuwakustudyworld.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.wakuwakustudyworld.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://gp.symcb.com/gp.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 (104 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.rapidssl.com/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.rapidssl.com/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 97c227509ec2c9ec0c8832c87cade2a6014fda6f
 . . . . . . . . . . . . . . . . [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://gp.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://gp.symcb.com/gp.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (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)
		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