www.jsc-hokkaido.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:db:19:fe:6a:f0:ea:00:d5:d1:4f:38:b3:41:b0:43:61:59 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:db:19:fe:6a:f0:ea:00:d5:d1:4f:38:b3:41:b0:43:61:59
Serial Number (int): 423005533795045798320538718539465430884697
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 70:fa:5a:27:12:39:ff:7e:50:aa:15:3d:7d:23:ef:39:6f:2e:2b:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 41:54:ae:77:12:46:cb:4a:28:bf:5c:31:05:94:ea:01:b7:ca:3b:4e
Fingerprint (sha256): 25:db:7a:12:bb:b8:fe:34:d1:0a:23:14:5b:d9:cb:89:11:a9:e3:8a:19:53:18:9c:14:44:a6:75:16:1d:e3:ca

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuYho4ekZyXNj8slQ85PY
hgfaGGHz73F+hqsJ/C7QAf1dOIeEdVK+hl8Jq7C9FuV9qa7l7PGKmUbRcuS/37Qa
gwmWis5azm5Lezl5XMqq9qgWQDADgD9aJ4iikMcuHCVbpafqakYFdtGFLUF5/F9K
io7sWjon350cOo2XBQDQPhtqZ7dHZFPYVaF2isw1516d99aouP+WwE1CctV6WDwp
if4jFlmbGOkFIJz0Z6XyVTA2inxmtr1OUP+Ny1JwUajMCF1r4wfnKueaaUgmCJ1X
I4Qv1XudLO0N5fVEsDGvYVUy3hDpoJpWimUnVQ36WHv3tS3+a5hKLzeZq/8lfB+y
YQIDAQAB
-----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 423005533795045798320538718539465430884697
 . . . . . . . . [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 2024-01-15 06:04:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-14 06:04:48 +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 23421352547414369234617593535322106287298922015781298560671139752823277502389323566899178532382133960676516226605662037667986045487896263278651813564164876309410216956901845435914695529015573314826531705044220132919045925371615767432960630962511500286792437964373944198671282964073825628318332654621230951026751827067422756493626117873577906451407235216978622649172160772895911787947462816106288992509809556040467131786805271048764836346358936571587727330178481491863642347234751385513167082495963427640017159775184512695881523065025578868900632666466012360845707702268485448801177393418806934935629431223962560344673
 . . . . . . . . . . . . . . . . . . . . [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)
							70fa5a271239ff7e50aa153d7d23ef396f2e2b8d
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0befec430000040300473045022100e8e8b2f53888f98b143d19f5d9942f5455e6a9a4693bc89e76db5c8204e8a8bd02207e40885c39300b7a9afa77c54a410ad020d925be6f839b6ba17afe76da4424ed007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d0befec4f000004030046304402204165e681c213c4ef07924dc2cec151b98740d8cd82a2d65ad21f3fa93006668802200405b54a475c40abe2349f60e95912ac717d47f6a3082151742d30545953484c
 . . . . [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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