www.jfael.or.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:53:a6:4c:36:74:3b:7c:ee:74:9f:97:c9:ec:3e:cd:69:b9 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): 03:53:a6:4c:36:74:3b:7c:ee:74:9f:97:c9:ec:3e:cd:69:b9
Serial Number (int): 289801341816039173186434093958953285020089
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b3:70:b6:ba:ab:14:05:b7:23:49:72:9c:92:51:f0:81:2a:aa:e8:6d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:f3:20:7d:ea:13:1f:e9:12:b7:49:1f:87:63:96:7c:5b:d6:25:df
Fingerprint (sha256): d7:78:b7:cd:a4:d2:a8:c9:fe:76:51:f0:bc:dd:cf:b1:53:1d:9b:da:8c:55:1c:9c:d9:0f:a9:68:96:3e:b6:7b

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA65qZdIZ8ms/hbAAALQG0
x/9QG9EVze2LwHBB0/OJ/9uLcmSUkYZamAcNmBw2xQaeb1W8b6Phdt0NekMiQ5zJ
jP6el757S9jLC67EE1Xy12rrJz/Z5RYhh2x+mJC/y2RYxQRVISzVDblE05XTNTd7
ZzgTxuiHDpXZMbYDD4JnjtcqWacrPAZSV0ueCVGtDnEGy+Nducljm0BAdqDcacHs
pij3HcKFE/qpzhMtz8gM930gxgOo0zsUiwEoow9PYycQfAQdAk/rhhiRGWN5XwD5
Q6MoZdp9V9/dylnu/++4UqMs22kFO5tKE/OIqSK+d2ThgJnEU8OFpF9iAC9MVYI5
LQIDAQAB
-----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 289801341816039173186434093958953285020089
 . . . . . . . . [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 2023-11-25 03:09:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 03:09:23 +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 29742237489418000258991700786713120138893560427510885071761755218196229436670643931913306850712170501452712669267518244269689950152875174518210947840403541381822630214808571137089815893335758529163311047395627692906322184586679243015442968492736611840459769350660049789591601910321524797217552383641032137525131074616162184571612682757156096274995823529274375962935017677558118884484881722662789268600610085831380023515938256151292947410544935382582974219618148243915706893881600060759572085798925005251736468430693049984607618685234275743038001711189051586126171418908942621400989839114807867087981892536187949824301
 . . . . . . . . . . . . . . . . . . . . [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)
							b370b6baab1405b72349729c9251f0812aaae86d
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c04ab0089000004030047304502207631f4660a2f6002ef21bfc4377879554b7c6d18561ff46f2818b8975469c0c5022100d78a10b75102db70bc554320c468efe70a1b0446a1d6c557856283db2c3b891200760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c04ab01600000040300473045022001d1e18e0e9113a6fbf8623f230074ddb25936f3891fcb49466b9fdc90007cb8022100bf7ae1768333506c78fa1c3bc7777bd17f6284bcbdb65f9d549e975195b9bf45
 . . . . [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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