www.jsc-hokkaido.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:e7:28:cf:e3:6f:8c:42:67:7f:08:59:cc:62:08:23:d8:76 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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:e7:28:cf:e3:6f:8c:42:67:7f:08:59:cc:62:08:23:d8:76
Serial Number (int): 427108619024003599238009086975758104254582
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f2:c6:c6:45:b2:a2:c2:0e:ba:98:c6:d8:9b:5e:d1:3a:fe:d3:54:77
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 75:65:6c:ad:6b:25:35:76:c0:8b:33:7f:1d:d9:82:17:6e:f4:58:4c
Fingerprint (sha256): d1:a8:cb:ed:71:3b:d2:3f:de:c4:60:ce:e3:10:2d:4f:4e:44:70:86:0e:21:14:fa:0e:95:5e:42:17:e3:b2:d7

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw4dWgumjJNFMzBHijLYS
vRefQOUkz6Iu3THGZTZagMZXiVv7D3AUtxg5xiQTzQYsJi7/ZR3tyhDC8gRMvIMe
8pRrLuLUCHTqyED4MEaiBprRi/QzbJhSvVrTgx6mPFpykh5H8wVjT7+TVzlVb4DY
zrWmwJkHK6M3O3IZ+IJ5wEZvFuH/8cMHoImRwuWXNAmtiIxNc+7pzDb56eFZnmK9
zFdfK4mSorScE6AdlhrEDQpekgAJywwLrrmGmOO3Wf/JdKmSaib1JYJuBmar6MI2
j/xCZgdTGRqgg/KNVmQuFvdQa5mCm9NYcmxCXUE5W8OoTW5BLDhsnN+aPkiTbw6Z
/QIDAQAB
-----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 427108619024003599238009086975758104254582
 . . . . . . . . [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 2023-05-20 00:05:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-18 00:05:22 +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 24683207091508958802699077361387406262583657610147806592025280049678268117273371725934654642554328895962591540840260543725092781446955986728521939837148318205185404935148827144531613922838579190477934617455334613393772367402544597968267300624156551904737887564055146497183435159162309196818896976645974696417257641778045909352913028904726455977729117911731235087499232431433955623107936328780483483018963942635764096105453728851582142052934812455719838504150106226804956829382132157210407996756365347139792803372713018554515427757957470360846895496500999637149030036858835250698979472691020197944264798167514364156413
 . . . . . . . . . . . . . . . . . . . . [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)
							f2c6c645b2a2c20eba98c6d89b5ed13afed35477
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018836b09b66000004030048304602210087965bf9353989f5f0a91731910bbaf3704be017b3139e7167b161d9f869a5140221009528d6273ec532c2578e2f3b31a9efa4906e2abd4047b7d150465b98174161e70077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018836b09b7b00000403004830460221008da7f30645adba44edb0d09465e941b5c0b9834a56b8cc1987884efcc249efae0221008d30d85d9d667daa077f7536d2a8970dd77c5d095206af7b687064297c433193
 . . . . [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)
		00274bcee174ea3cb2bf6dfa6f852b572feca77b1a8f3928f65721ca564c6f7d42a3c92ced038899ebabcfa8d658f07809fb556d457137299d51e75a5a3c8444a3f2b624ed51475bacff01497d21ef91c1292b51399735af01d6a3be6d1c91a6bb0060e720626095d24b4f991827dd01a9583d435ecf18604382c9ac87534fa591868a72deffd7c681aa425c39e1c6b34be6b66154d08679db190ab6d2388743b925e1482d4dcf061f0603746fcad4ca4b854894a7d0b74736aab95cdc0e7d08b7bdd1ece48ffdb598746669f9a8a2eb2cd2d52c7a88fbe7769f54c96d4741d7841e903128b723f23a502a8448a541dadb95fd5cd8eb4c46bae480cdde6048f2d4