www.jfael.or.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:5f:35:d3:69:d0:7a:20:37:c2:b3:22:62:89:80:eb:8e:3e 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.jfael.or.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:5f:35:d3:69:d0:7a:20:37:c2:b3:22:62:89:80:eb:8e:3e
Serial Number (int): 293735229457353907665324349318927680769598
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:c6:93:17:f6:05:9d:0a:b2:98:77:a9:68:79:70:e1:e8:75:73:ea
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a3:21:be:15:ff:15:db:bf:80:67:4a:90:57:1f:f8:57:ee:be:b5:46
Fingerprint (sha256): 78:eb:e4:78:51:27:17:b2:be:c5:e2:7a:8e:33:4d:a0:b0:56:55:2e:68:74:0e:9a:e9:4a:0a:2c:ed:b8:e1:6d

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy7dNmplchg3EpZHGwM1J
AoQ5rIt8AndOO56g7qfHbAqYUcBbtZo7Sr1Q9RDkJurF045U5DcIhRrQ6R1Qmo03
olqglhi+XF73XI0AsRNikqg6NO2maS7US7E9NvxOxLK4SFkRqpt5B7T75B+HgvqL
TnI5NK/p7XCzBsA2fHuov743eLXBYNOD7eDAVF3Ijb5BosT1JvIHL6Z8/l+VG7Xp
UsME4uuHoKBnKmxDKR7+EWYtTM+lhe1eWPQPuOWF6Fufipq+7WomCU2/u2PKjOb9
AqCJ6qewBOQRwXyPL+SMT7iaN6XFTDqdwXPPHAJde90cIAJeFJK+CjhUER8YS07l
VQIDAQAB
-----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 293735229457353907665324349318927680769598
 . . . . . . . . [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 2024-03-24 02:17:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-22 02:17:21 +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 25716766055451424017459787107824844620174454207131123263401092299318833548777825306335573464844510867865265784404002832731291075605853194188257564180896408902882665953495031251556107593845861005218872654383496907817314962964997574350058394703368826146376752384573024648957768128288545699595440974985112531217453088411190585613997179394445222309353888437325677559318055459144510697774213551058541735291771237152487054309180292180935961752848106972687083735123990558648296043804379897713453272113842781764504811888626315583121645883452542956979220426688675019450021051683633450523139389177735519772138692044253419201877
 . . . . . . . . . . . . . . . . . . . . [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)
							d2c69317f6059d0ab29877a9687970e1e87573ea
 . . . . . . . . . . . . . . . . [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)
							00f00075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e6e767b800000040300463044022064448ac6dad2940751c5c47ebf0414ca4b0d239558bede771e2a5ccba93d4e3102207268d9178f620437f355d97713bd4b8cbc04b5074f093b61a656975bb05019ba007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e6e767b9c0000040300483046022100ed8cf14cacd110a34b31e23db3b1b073f615b4d0f3e20061572a207f507c8fb5022100e666b0ce96b7d1483a00e03541e0cfbfb83c8b839a0dd9d6f345f1d4c6ee587a
 . . . . [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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