www.briant.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:6f:bd:28:fe:4b:58:f1:89:40:e3:8e:fd:62:66:fc:cc:d3 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.briant.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6f:bd:28:fe:4b:58:f1:89:40:e3:8e:fd:62:66:fc:cc:d3
Serial Number (int): 299359637464284278073632356276318104243411
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: af:1c:fc:94:4c:09:17:d0:da:5a:78:1d:d2:99:fb:e7:c6:cb:5a:1b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 16:0b:23:15:19:24:32:49:6e:19:ca:26:cf:64:52:11:9c:2f:d3:09
Fingerprint (sha256): 37:f5:8e:14:f3:cd:7b:7c:d0:b8:b7:af:76:dd:c1:f7:2e:43:e3:52:65:ba:c4:21:dc:1e:b5:78:cf:6b:2e:91

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAucz0tOpgN1PApaqOxJ7g
8Thd8AQeWTWBXFjUYaXHz/onqfJgnlaTrZjfjsiNGEzjQKWqVXYNO85F37UMGhvP
CqWABkzBrFlr+XMM5v/HM+6nzuVLYHQ5ByTyXhE3QtGMkgt6qZgx/IYQNQvZBRZR
ervUkEMqd+Qe/Zf2MozN/uk9m9oZE5yhhJIKmozPEfc2ftNjSwpZoDj41rJNyBid
+dUO1cviUY43GRBJfICo6HhpvPcV5aB8F/sVlGRJnrD6EMzCju7WzfH1zVX61pdf
5U1eSy2RnOmxI+PPUSF+azdFttBYwNWZDQUx8OjsWSIfv1v3Q0pdasbzD72tno2j
uQIDAQAB
-----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 299359637464284278073632356276318104243411
 . . . . . . . . [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 2023-10-10 23:06:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-08 23:06:23 +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 (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 23455153932724329139280238179344238748995896311314448147765557463048666769406824275440634596731873147189574628661261721841707442920554326363298234893842497948149886349097170116918990437148359965765950554946192748353762807440833663998415563407692071658027506680902406326340291766522574497281119454209245721500405832497733714725948715588270118543390481975290353615505961965345013326618298635186270250092451240278082823707154513561436650345358000564165608739809330375335267014489856408136197500352621696638518161661956790091623576200794644544104219919410231501498623861515575810139021163762356846511872240115020976726969
 . . . . . . . . . . . . . . . . . . . . [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)
							af1cfc944c0917d0da5a781dd299fbe7c6cb5a1b
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b1c0e5a0b0000040300473045022079876f573c2a4594e608454e52b52962cfb089663379bc4e3e081aa11d7f4003022100bc36a4e1366b183646df7c9e260390b83851e774f8fee72674c1be0eb3495353007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b1c0e5a030000040300473045022100e8a3d2ff3a5b5d526f1cc45614c2db2cd1cd637d526dfc0d93817727e8f0bf41022039cde3c7fca37eb540b91b82becf7b55278caa72f43f3fbbab9cda89ed5aa0bd
 . . . . [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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