DV SSL/TLS Certificate for mpja.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the mpja.jp DV SSL/TLS Certificate

This certificate with serial number 06:94:ba:1c:be:87:c7:41:75:de:33:c0:01:73:d7:6b:6a:91 for mpja.jp was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for mpja.jp provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:94:ba:1c:be:87:c7:41:75:de:33:c0:01:73:d7:6b:6a:91
Serial Number (int): 573282891550803699086848119289086315555473
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: b2:b1:78:08:4b:98:e8:74:5e:69:93:f7:b3:ef:ec:32:39:6b:62:e5
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): cc:0b:38:96:db:1b:54:82:5b:e1:54:cc:66:e3:ce:e2:9d:34:36:d0
Fingerprint (SHA-256): fd:77:38:ce:d3:4c:d3:58:fd:18:9e:e4:6f:3b:39:12:b7:d3:8c:85:d7:3e:fd:49:a1:4a:14:bd:42:0c:a5:a5

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/18.crl

Check the revocation status for certificate mpja.jp
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mpja.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for mpja.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxcwosuRsJwYuV1GAt7Gp
cd1E6cuQG5hiOYUqZt6rJBZw9HLkii4v/nYu1wHPXF3pCmwDrx29UQgUqUrOkgTW
6OHYVEQfDN69jX6wf94mr/FlBLEkf7x1dsFMsXcluUBlhwKdq6zrpO0MdjZuAh5x
totaGbSfX+PKvxh8uw6QeeCCB4ICfnuEwrf/5wBkO5PpUEiRY5FACVor5mMW9++Z
c6YMdA+O7V50IdtQgCvbYs+L0wvji99AIpMnlipoMKVMdLWIB0W9A9O0AUe8G1Mp
BxHZmBTwNH54U/TlOXXydbv5d9FJ9RNMOE+qnyFjzT+r+KbNOvJAw85UURA0CHZ3
uwIDAQAB
-----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 573282891550803699086848119289086315555473
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-09 00:24:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-07 00:24:23 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'mpja.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
 . . . . . . . . . . . . . . . . [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 24969620623385186262240922633868163417653356729176087569204147417499504347109543065967746095186383217423160579459685157808267357222365459295093259265705164474960391969846697714706944284206588276284576117336374399815446782927311122442569883488882032351082818759208877308565301780091840383948659150801652796038588457739622717678064757785846637956007565501905821748378495881322961391371054038295812128598010869499095307187989432011168323155594314138308095888273284801674956602410588452500143232771916111814799994107442873589591832873982265201057139137915240434276426175538154842976088539394553366194277193719085509539771
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							b2b178084b98e8745e6993f7b3efec32396b62e5
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'en.mpja.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mpja.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mpja.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/18.crl'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196b2a365bd000004030046304402204c2c6af931e3cbc8bc88de58384dee208db85302e576d1c8775c309efa6dc944022050b44935e5c64aa04f12b726c266c8b5027cf3bee0f87b107fab7b240cd690620076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000196b2a370120000040300473045022100b4e624bf1c54b11505beefb867c1517fbda3cfecec71602539f9bfe1332b25150220770f4a04ffe5b02f4ef85ba657ec369bd313849562c5f88538f4a9d99df441cc
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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