www.briant.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:1b:c5:f1:e3:cf:f6:61:61:42:fb:0f:a3:6e:0e:fa:0f:7f 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 04:1b:c5:f1:e3:cf:f6:61:61:42:fb:0f:a3:6e:0e:fa:0f:7f
Serial Number (int): 357899881513202321127334820680246522154879
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c7:1c:99:9d:10:47:3d:c5:09:4d:e1:83:c1:8f:a0:95:79:80:9d:ed
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c0:b9:cb:df:74:80:93:ac:3b:b6:6b:aa:70:36:e3:d1:6d:a5:db:f5
Fingerprint (sha256): 2d:8e:40:a3:7f:42:32:3a:ad:84:f4:53:1d:1e:1f:93:f5:1c:ce:ea:e3:60:a5:9a:18:14:8b:d8:43:57:23:e5

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAprsC5Sjf2zCl+VHGHZK2
ZB/GUeBJ7Q4Gd3o2be09WX1f5mWgZ9otIjQ65AhUosSod67md/EnXX3MZaDMs7A7
Z4dfP9OXz2DIdUyGzNN/Pg0wjyh6Mw6C0MAlacBfx8fPaJP1GwSCQjAggCc3LB3P
G9nRHGAPZA8eAtGtCtgj1rP2Xg4CcZ5VySFt8AOczAMIBB/J6OVwHQHFYinjnNq1
y/et8nD2b8Pfzqw6NVeMLxdg2UpB6FTU/GqzFc2mY7jRC+1iMfvkj+icZG4+Rke4
4qrP2LRcG++35O2SP7nnT+pJI1xtkz5nmgi/sDBv4WzNPDkvncBXrPkmt5r8INKu
pwIDAQAB
-----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 357899881513202321127334820680246522154879
 . . . . . . . . [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 2023-06-12 23:09:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-10 23:08:59 +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 21047777337970283872550036378690896298769550212099625382469683338787981889956928769163997075244802425245462656480258513726182626042691176928628470288704417722434017352991173125958866222378418441139019752522648598911270790467400113993999486227786937416067391252407418672163763296887146047377436776873826709955089486679841292005389791256435997527360817113203930907210782639505130752825378914778877280394250316822188035684553507748863745304922751406809294486673609909048501759206184834590743824944735681771181960548386637371745054252114882640290174688883682217304637165665834956446708600657959316734458146619756465270439
 . . . . . . . . . . . . . . . . . . . . [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)
							c71c999d10473dc5094de183c18fa09579809ded
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188b2159bac0000040300483046022100ac2cc5da3601850e8eca525d81d84138bfde16d5e0bd349a3188d32f7872fc09022100e30e819598cd9dd55fd87c2c5a6407348062cdbb418c68c0c671585f76ff2727007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188b2159ba1000004030047304502200df8c7e40c13aefee2aa34e274475c91fec41652506da1458a168352ef53aca3022100dfd48f2c9dd3e417620823e4458bedca5175cedc67c00afaf325d742f616a618
 . . . . [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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