www.jfael.or.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:bf:12:fa:02:b6:58:3d:3d:6d:98:41:cd:66:a3:71:09:6c 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:bf:12:fa:02:b6:58:3d:3d:6d:98:41:cd:66:a3:71:09:6c
Serial Number (int): 326356014110330402154320396661670668208492
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:9f:f5:ad:92:0c:cb:e6:47:be:7b:c5:5b:04:1e:7c:c0:3f:a5:27
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 18:96:eb:69:b0:a6:f9:5b:0d:0f:43:bd:2d:25:c6:e5:42:64:6c:a2
Fingerprint (sha256): b6:4a:a6:67:50:14:a4:f0:7e:e4:dd:18:3a:cf:9a:24:9c:e2:5b:19:1c:d7:9f:25:04:5c:72:61:11:a9:76:6f

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzqEuxGlY02Tae01rShy5
ZKerJY0MTigEiKe1bVAvPr1wyfi8PyhOkkYI7n39uSgFIdPM7mNr6mJyzD4bhpUW
i+se7/hwr2klrsub6fHIOc6FMZKZJVOIq7Aw541RApVPuLPyXjrPD+kyXSVI4n/y
A5u0EWOXpKnhshijYUngp/0zZBnaWpr7cvawFgUesEXieZbHSK00F6iBxGFZfoX4
4S+Ge4Ho0s/FGkfOUgcMnhsI5gdffvTwR6LTDXuRiBdJ/RuHJcor0rEgUMhJCQul
GaOHCWGbsZ5GEhkaEeBHjKqr2gSXNZCH9aNb3rXj6cCvjd1UrJ41XxPggjJ9JcJA
+wIDAQAB
-----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 326356014110330402154320396661670668208492
 . . . . . . . . [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 2023-09-26 08:13:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-25 08:13:52 +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 26084572967076003664362730555556008087161417985021998286939983040283651871546648412213660972013695635691886234258491711003075050552651689298879494735984393063299466825324549449968028461923497960282790554136124924093202137349247675664071063894372669837527131085011133109600434287705846016750897811281713825965646048394136451013052843949672823671065439900196161009161510084381947539193825705695148092531970630952840472125215077001635658608752473100411093840646778620935207811932095791232571902393456982320625848118675353633799716962567552459617573608916749330135038506179412280006450953997658606843752778443755582800123
 . . . . . . . . . . . . . . . . . . . . [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)
							d59ff5ad920ccbe647be7bc55b041e7cc03fa527
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ad0c431970000040300473045022066e006fa82eb84aff730dc79de4ad1c459a21ffeee724e7102a0da4d208ce110022100d76a8606065c4ed24d7a5d5eae8810d4bea93dcc60940125d4f65dd3fb29dc5f007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ad0c431cd000004030047304502202d5b9b9f1def9b22c2f0d9132f84d826826512ecdb287d6f0a4988ad3ffc2121022100c8d609ca8ad2657e3644a52ede37926568e98d0a07939bc1d234a8ea42191567
 . . . . [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)
		0011412838ef7c5b555a35ec3d2cb2f564340c0f2b79aa17148460dc310bff05e612fafbc7be5608f89029b9a20f1da02ded84965198d8557018f752d1c42bdd154451732c422db12505b4a30ea5019308f997cee617227130b14f1f9bd46df048720562caa984368294a92513d5a87012402cb1f798bcb93c82df09583b5bf720131dc9b152fa28a82e5eea9b4fc0a3ca67f0d77980bee9480d445f5d27e5267a372f9b980765833df5f3dfc01d576c9877cf1aea57e8fe8b14007d5be6317d8d53b28d1dcf4c0868714002d3dea312a195e9feca9a5b441fb7dc45cea6a2e29c95df3f4de685c830761bcf3bd2afbbdb662e5d5622af980bd52994adaf1d3175