mpja.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:80:2c:b7:1f:f6:e4:0f:6e:df:d9:bc:da:cc:ba:07:b1:fc was issued on by Let's Encrypt.

With 3 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=mpja.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:80:2c:b7:1f:f6:e4:0f:6e:df:d9:bc:da:cc:ba:07:b1:fc
Serial Number (int): 392064723563376165013098334138233919091196
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2c:ad:9b:f5:37:ae:40:92:e2:83:a4:b3:f1:38:27:89:1e:0a:4a:1f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:72:a1:32:da:60:6a:b0:b9:08:a9:18:8b:4d:d1:6f:2a:8c:a2:72
Fingerprint (sha256): 0a:0f:6a:16:50:2b:5c:59:25:cf:1f:42:da:84:80:f3:23:d2:88:c7:38:a0:23:da:c0:74:44:0a:1a:e7:34:6f

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

Revocation information

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

Check the revocation status for certificate mpja.jp

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details 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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

en.mpja.jp
mpja.jp
www.mpja.jp

Other certificates including the domain name mpja.jp

(limited to 100 certificates)
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp
mpja.jp

Certificate

The complete raw 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAttvcN6omfYStVb9O8v0E
0rc9Fu399KSvQbbFdk7RXwJ2F5YjmgAAPvi+kTCzNNSYB3J/hPrzuBYYQuB6AYrP
MtnAvFwHs3P/2BY+Ii3MhV8RsCNds/F2gtaQdhsZL0Ij+0ghnlho3bPJNP85RPbg
uRw3TXu6r0IBEeviNRIQILDCUSb/0yeLR0KPOx1Eajas4Ts6njcAHATN/aPY1/dF
miQ5TQ0bCXj9KP/jt6BF75I8hRZ5tmd9JoRT/LReFAtr+Mx/uHrM+YLm0zJSwxBZ
nihytRNjpLD8YzrycBolFK2pPcR8igWt3BUMeWkpkk3QjxHJpxu/EcpHQUR/qkvF
4wIDAQAB
-----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 392064723563376165013098334138233919091196
 . . . . . . . . [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 2023-12-01 05:19:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 05:19:09 +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 '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 (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 23083788621223357660710599516660327269657991617815255226087545123093150184602625689039394327465828700511926858088069077163337062971481605628551145605072218334754079787582445189661628890094862650050737597506314719080301852293788354219267274544694202896604788029862086783406969728185748505649293931625259093076702129064032982524169314879490225966305827113624294409570840666934417536434076948964790171541180611352999878718668657634097163613941651729687368319476508687923089743232311609695746239231818349597531154193008063459431179577371013198416524494212495283429139316922865052381048156979767884168122688062909093496291
 . . . . . . . . . . . . . . . . . . . . [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)
							2cad9bf537ae4092e283a4b3f13827891e0a4a1f
 . . . . . . . . . . . . . . . . [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 (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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c2407f5c0000004030046304402200e9742f638f93e639c1c9eda6a4a5e4233ad54b5faeaa44c93aa36104850451302203b5ab552c544f9c59ac7010bd184d991dfa0c2e0c158ace9df51da45de5e60900076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c2407f5be0000040300473045022100d0316fc0bbfb8b8402e8923aec0922ef959c3f4787eeabb3afe164abfd0b8dcc02200b54c5ffcfabf0de9505ad6a5870444ed764bcef26fa3d1b90ed07cddf59fd77
 . . . . [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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