www.jsc-hokkaido.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:0b:77:d6:23:e6:e1:b5:af:93:bc:5f:6d:32:48:3b:e2:78 was issued on by Let's Encrypt.

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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.jsc-hokkaido.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0b:77:d6:23:e6:e1:b5:af:93:bc:5f:6d:32:48:3b:e2:78
Serial Number (int): 352351539774374108404592572200168376230520
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:e6:b8:37:40:18:66:f3:b2:65:33:a8:7e:e7:4f:b6:ea:c5:15:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 31:7f:3c:2d:d3:62:cb:31:01:55:53:89:f3:39:85:e0:d6:8b:3b:f4
Fingerprint (sha256): b4:30:41:da:ed:36:fa:ce:11:eb:5f:08:d4:b6:18:21:d0:77:fe:d6:d6:57:2e:01:20:df:87:f7:8d:31:6b:21

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.jsc-hokkaido.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.jsc-hokkaido.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

jsc-hokkaido.jp
www.jsc-hokkaido.jp

Other certificates including the domain name jsc-hokkaido.jp

(limited to 100 certificates)
jsc-hokkaido.jp
www.jsc-hokkaido.jp
www.jsc-hokkaido.jp
jsc-hokkaido.jp
connect.jsc-hokkaido.jp
www.jsc-hokkaido.jp
www.jsc-hokkaido.jp
ketnoi.suatuoibavijsc.com
connect.legrid.ca
connect.damianknowles.com
connect.solomonpower.com.sb
jsc-hokkaido.jp

Certificate

The complete raw certificate details for www.jsc-hokkaido.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAreXEWehWJN3ycBrrbB1i
Y0p/3vBAFXBerSYegTxo2FbnBJhseqeKtL+K/pah9OCz/X8NKXUbyNvGXw+WP7Jo
rs6QlKg4bQzfbSpCCOZbV/7beEYw5yfEYGeYzBSiqecEGMRzMiYuIE8ZeBAQ0RJC
NSuOV29nJrQnFGyL0M/KUxhaRIRaV7uvQgLsXk9BwFn88UtgSaLvc4TBv3+8xMDd
aLGcEkYkAZjmP6/q4PW+wvYV/JJ8+TF7eWa53koa3zpPU7374MNgQ9xMW7aC66GU
FJ0mnhERRHY5npbYLhpn0hC4gL2jXGR/llvfU6X/WxUmRxpYOb7VViiUJUYO91tz
eQIDAQAB
-----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 352351539774374108404592572200168376230520
 . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-17 03:18:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-16 03:18:20 +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.jsc-hokkaido.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 21952529088125578036459670035161559637360489979318959675174631442721601182052649074770265106379811597649825697886350618225944896154761675531137703437566705614565473028678912468247672973340405877475472849233308590769689561305444843431949523249001574280445466564386511734517035404302530730593242397284050716220040078300515415495323545995583564806729303004213563179085195310724119654586965204241072439315307594946975463494587367802146524482348987777536079762474609510488577764905238238971862028950833270370158512176781385949724526204561349595202825245985839764797048615868472801758600397162317054983362266159263684195193
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							f3e6b837401866f3b26533a87ee74fb6eac51579
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jsc-hokkaido.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jsc-hokkaido.jp'
 . . . . . . . . . . . . . . . . [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 (12 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:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aa15c65b90000040300483046022100e23a01af72b3d26fbc7d3802de6ad925b0eb8d7672571885b21ba72c21faaa01022100ee33657defd8c08dadc0a5e7849eaa872cdae94c57a6a37268efc98572f719d8007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018aa15c65f10000040300473045022100a1dfe474aff78005a6681b2175f3e57d9290e7dc23732c3251da754b55bd9f1402207bd5a36788e0738d50e47883cb9f2effd8bcaf39f90a092b2010c6692070f130
 . . . . [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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