www.briant.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:4b:6f:c9:3e:e1:47:df:d6:e7:ec:92:19:1b:00:06:24:78 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.briant.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:4b:6f:c9:3e:e1:47:df:d6:e7:ec:92:19:1b:00:06:24:78
Serial Number (int): 287006624548909791895003255014170569352312
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 17:c0:53:0a:c1:b1:2d:fb:18:56:fa:8d:13:30:45:65:d2:d3:cc:80
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e5:dd:2b:f7:5a:a6:3f:89:a9:16:eb:84:92:24:d2:79:a0:c9:27:17
Fingerprint (sha256): aa:b5:b6:d3:db:8e:15:92:ab:e2:16:2e:ca:81:8e:10:9e:19:b6:5d:02:73:b5:7e:a4:cf:00:9b:51:30:2a:29

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

Revocation information

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

Check the revocation status for certificate www.briant.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.briant.co.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

briant.co.jp
www.briant.co.jp

Other certificates including the domain name briant.co.jp

(limited to 100 certificates)
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp
www.briant.co.jp

Certificate

The complete raw certificate details for www.briant.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3n7RW9THPA8fFV4Aql16
o69nYExZC7l6dX/T3a0WwWejmqmf/xU2q7iQ6o9FZK2hoYMtaR4rdtR9tWcFhsd9
bU0qEXaI00ufPDMxzYMJAqxXtYPh/7Ljak8V6Nb1noX84SY9UkjXgrwMZdO35Ury
SAD444oSq0DXpHU286jMKcMBXE5QSgqckZiyh1kIOqLjqss834TWyFikoyz8ZxwF
5uqKtr2aD0LsmKrkddB9pKDRnKaJVTKZqksBKzA9Y4sHVtP2A61RoFWQmTkCQ48+
Jp8AhC/rZSAn8tUO2oDxNJTvPM8cbqGQjC7/Kf4BcXEjiaZByD7IV3VMSuxuEJdq
jwIDAQAB
-----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 287006624548909791895003255014170569352312
 . . . . . . . . [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 2024-02-08 00:24:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-08 00:24:55 +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.briant.co.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 28087439894090354990421072068617020194606953007784412681341279880404346604850352155049029237291592972898272860986005490564912880526055783841730766605588308578148232467547479128978910985350946547100417120623504504374006125483626528370679116729672653615039479016764324131987938350414247977586974373299374770252266210808792756270472711792860060407888475018308540861553428340828714357449282950825518184417388806530695948227222459447431536754902597820922181270962566155240071905182729921874502487619264278624260535064486961897436139670462859239298922847071195387751081066621897179362926498770576902947221820320509578406543
 . . . . . . . . . . . . . . . . . . . . [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)
							17c0530ac1b12dfb1856fa8d13304565d2d3cc80
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'briant.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.briant.co.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d865160e50000040300473045022100b55a9d31759013814db6ba0dd00c0f534053d177c2f5381071ecaf4679da912a02201b780ac3394508b9d153cf6625f3c6229c9afa15dc0c60fd6e4bcfb982c1a73f0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d865160f100000403004730450220181422c97a8d955e0c19afdbfac94758a453d32b8aa4e3b681c7d190888a190e022100db6969477be7d1cdd72d42c73b4483caf7abb822e0cdd1fb429441f12482949d
 . . . . [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)
		00a6c444e21ef78d06698842a54f4b472ae752c307b84ec3945081f0dcc5cbc70b672de2345f4a5a90e0213be55c5f658e813a4aa91d74a9e5e3a28b40efcbdaed1a220ffc02d7f883344ad2f7256df6297befdf99fcdc9a161f71f8748fc9f106fea84bfec28651f4b2a75b788de69b99fcbccfc14702205ba8e5a8836949c4dd9674eb0c544918525de0db1086eede8057997758c7f50424899726f078d4ba19b50a1ea0e0747f12b5e230cca0c67c77c6fe46bf92abc6cdf80c0e3b8e1c9e96b00328f16af76c9dd62e9436910369f94aa674baee90e06b52a2565f8b44cee0256bb162e987430e87f1ec51256e9e9286dc766e63cd456bf0546da649a7da7c