www.jfael.or.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:cc:d3:cb:2e:00:1b:75:6c:86:78:da:9c:44:33:e1:67:ba 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.jfael.or.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:cc:d3:cb:2e:00:1b:75:6c:86:78:da:9c:44:33:e1:67:ba
Serial Number (int): 418148268655284672772274375937172896311226
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4b:b6:d7:a6:5e:04:14:38:fd:b1:3e:93:91:86:07:8f:cf:39:40:03
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a0:6c:a2:99:8e:4d:d7:e6:43:71:d8:fd:b8:f5:f4:84:57:ef:15:30
Fingerprint (sha256): a3:d0:bf:74:03:ad:0e:19:93:12:50:2e:f5:e0:cf:96:14:1e:29:6d:98:ae:31:86:a9:b8:fa:d4:d1:93:2f:05

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

Revocation information

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

Check the revocation status for certificate www.jfael.or.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.jfael.or.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

jfael.or.jp
www.jfael.or.jp

Other certificates including the domain name jfael.or.jp

(limited to 100 certificates)
e-ja.jfael.or.jp
www.jfael.or.jp
ja.jfael.or.jp
ja.jfael.or.jp
www.jfael.or.jp
*.jfael.or.jp
www.jfael.or.jp
www.jfael.or.jp
rc-e-ja.jfael.or.jp
ja.jfael.or.jp
www.jfael.or.jp
ja.jfael.or.jp
rc-e-ja.jfael.or.jp
ja.jfael.or.jp
rc-e-ja.jfael.or.jp
ja.jfael.or.jp
*.jfael.or.jp
e-ja.jfael.or.jp
www.jfael.or.jp
ja.jfael.or.jp
e-ja.jfael.or.jp
ja.jfael.or.jp
www.jfael.or.jp
www.jfael.or.jp
www.jfael.or.jp
e-ja.jfael.or.jp
www.jfael.or.jp
ja.jfael.or.jp
e-ja.jfael.or.jp
www.jfael.or.jp
e-ja.jfael.or.jp
e-ja.jfael.or.jp
www.jfael.or.jp
www.jfael.or.jp
www.jfael.or.jp
e-ja.jfael.or.jp
*.jfael.or.jp
ja.jfael.or.jp
www.jfael.or.jp

Certificate

The complete raw certificate details for www.jfael.or.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2tmX4UDdeH+L+WUoBD3H
Bscq4ixdUGXq6VsDoeU7VnJ+YY8dQz3E3yJ6s4t3S5nnRRjdZB9kYSzdLstGA41Y
rP9H99aLo7tRyW6t2tP/cZd8zNNP0nsLEM8/eGa3nWNcyHafGQxDxWcbSReifvIq
pRsPk+tyZdljtfRRVE0QnUbcLJB+JabX5T09ityGxPcEwd9bok4ucoEO8tGwkJRm
/USNsVZGPJ6xlMjGmmbVpNJ+78/1qxsPTG4rFc5YIe8FAYOBwlJCA+NRjDnc2xOg
R8qjQRa4313M1e1ECKEKRPBIXStwJo7p9CmpUZ1yu1cMX2c5bQyIQE0QDG5Nbv9e
iwIDAQAB
-----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 418148268655284672772274375937172896311226
 . . . . . . . . [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 2024-01-24 02:20:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-23 02:20:21 +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.jfael.or.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 27627249728482518148577103348560403575858955379734905810439330439785499493786896184066777247429069463133728565595332584814151812949012877427618060545084036900537582256304991483382144185186068570116646998730669711504937803096039784741777482798981775844582164702873967243719684024346016506651903458452269722981072551575806400331333956418834139139200998771641112576836915040819478724187550230603770673947474639098182321349375579281477830535141332767260406360665166798589133888566775655124177591682656501756505165243119309158072639675698500779715206162514525741522996634417867789181139727661606107737395341173542543646347
 . . . . . . . . . . . . . . . . . . . . [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)
							4bb6d7a65e041438fdb13e939186078fcf394003
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jfael.or.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jfael.or.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d397bad980000040300473045022100b4b7b298f8ee30c1f46ce7e912a4cffacda8feeb9307db22f9e90a571552976e022044a7306a144772570e4ddb5e1ec3c6218c5091784f8be354903d422ec8305159007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d397bad8c0000040300483046022100fa4d55f7eb55f1eec8fdd55f860fb642024b1db4e627f3a7bda77b6e4cb99ef2022100c5ee8d41f56265ee49838d256b8b2c98a8f1a7a36f38b9c5cb6fbb168c70a7e8
 . . . . [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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