www.jsc-hokkaido.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:5f:97:95:c5:44:e5:e9:ff:41:96:c6:62:88:3c:6a:d0:c0 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 04:5f:97:95:c5:44:e5:e9:ff:41:96:c6:62:88:3c:6a:d0:c0
Serial Number (int): 380977459665218946524368774305548184768704
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c0:79:04:a4:5b:8b:fe:44:41:e5:e5:7b:6f:81:d5:83:80:e5:94:b8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e0:0e:e4:ac:ec:de:e6:42:f8:0f:15:70:51:6c:6b:36:4b:a7:bd:f1
Fingerprint (sha256): 34:52:9c:22:88:9a:0a:e4:96:b6:88:bc:d4:41:6e:a8:8d:bb:ab:2f:46:b7:2b:34:07:33:01:00:8b:82:44:1d

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAquKi34z0QO42F8rToYwb
SJw75X2H99186ZlbwQQrN2IbUOvhYMf+aILMwYwp7oHyb4oFXrTlV9YSg5miJYr1
+w25zH2Kkb4hFL+7X1bBb99v6LXhg80ea0XZQGvaJg7LbjMvlYecGsCsnMTIsEz9
ctVG3c2RF6W0jHuTr+kFjT37O8Jf+TCt3UXDpOAEHJqeTD/PeptrPVxo5qN025nF
3KCdLSrWgLL6nxXGAkT8njQi6v1hLKkjTn5WMb8GJ31R9yi/crONbiczb1utw204
z/IhJIxGvOOMTTU9A7yUXXGBw8myDwSZ8wlnNAocnag+IJXOvxl8mFgiGHiC4/pY
ewIDAQAB
-----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 380977459665218946524368774305548184768704
 . . . . . . . . [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 2024-05-14 04:23:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-12 04:23:09 +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 21572270331388645419855485923679822004191157325028130100627980093946391120037890266112914912003237282645449049797282580606121436651174689041226807667100458132383935918126486687057393942207779162137702322297532825770014434140489773943936725800827417963209203482405035990457047913318171010261462490044069749136465583141446805997139826008278931420463707212952358070625845346297889666022273906208447486790651006542434156366413998441819372689570931364718516596588885986347065607948700954448787360379183963496176783281191021637269253118053944900744981804598356019489691470448089691761570696520266454131547354762429121321083
 . . . . . . . . . . . . . . . . . . . . [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)
							c07904a45b8bfe4441e5e57b6f81d58380e594b8
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f758dfefe0000040300463044022077952ef430b8087025e7c8204a0ceb4eb779b235dff4ede9854ebc4fb3134a9502202843278ca250a3dcd86c95d9836bfcea76e16fa753b43dae35520a211611d0cf007500dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f758dffba0000040300463044022066a9d8ead8d1c26a6e756b8f9d8d18862193adabde1119a1dd7d5797d0f94f5f0220583d2adae614ffc031fcca7186f90214a3bfb5328adc87bb8d2e0b7bfd19aedf
 . . . . [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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