DV SSL/TLS Certificate for bianconero.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the bianconero.jp DV SSL/TLS Certificate

This certificate with serial number 05:65:10:57:08:9f:fa:c8:2b:e9:b3:e7:40:4e:02:39:80:5f for bianconero.jp was issued on by Let's Encrypt.

With 4 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 bianconero.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): 05:65:10:57:08:9f:fa:c8:2b:e9:b3:e7:40:4e:02:39:80:5f
Serial Number (int): 469951668270509437140863941724709930500191
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: e9:9b:f6:2e:0c:14:01:ab:9b:21:08:35:49:94:5e:4a:84:d8:e5:ec
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 7a:cb:a3:55:40:77:79:24:b1:a6:97:38:83:f2:a4:af:b9:59:c3:73
Fingerprint (SHA-256): 44:c0:06:a5:4b:29:98:f4:d7:d4:7e:49:6b:59:d7:e3:10:dc:79:68:1c:ef:2c:f8:81:14:dd:5c:b7:19:37:35

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/96.crl

Check the revocation status for certificate bianconero.jp
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for bianconero.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 bianconero.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwsE6kl+xb38uC8t2R1br
//zFScTTMfO/fbHSXgzZ16W/bWwoTzf9bvpUCl96HJevC6WKN4ljNzgShR30kM9N
MfwAw1d0FZSYac4s3K3nVEt1HK2j9dOt/S1WqQzHr6iUUYziMO+tBYkVPjq3eZtH
R+DPAMCga1xFztWF5zTgRCyDIK6UTM24Th6M4WlwWnalgL9CcTryvt05RUG9SdL0
Z46Hgheg7MIWV+xcsluHx1I/aGnArnnG9Ix+RsOG1IFIu5TMbxLD9KQ4PxLLAEcH
qQI/Z2cwgXM46dQohG94jYvkZzFYW7R6jj3VNWw/eiYab3GVQ/yo+1ld0gsg3o99
eQIDAQAB
-----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 469951668270509437140863941724709930500191
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-10 07:57:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-08 07:57:30 +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 'bianconero.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 24585515834024848415538351162695567246046364025285574433162990976970237787140630302300624601591252912986969232310525663830991727635189673997101853766690897308979828980178996621295802458769286608962293611615564695976234677767293109286033805959924557067071633575191672270799361379241583200399682803928587965337068397226842541731861953457948371307354067690531513642224490095562417979752179968543142769203217304197749020728385637074818887688571384541082934831186379439307975104696540615925453327478220016448515244843615507158247171265264628217159247615900459497298594127213251967563963409190790160836522045738191116270969
 . . . . . . . . . . . . . . . . . . . . [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)
							e99bf62e0c1401ab9b21083549945e4a84d8e5ec
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (79 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bianconero.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'notice.bianconero.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'php83.bianconero.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bianconero.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://r11.c.lencr.org/96.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197590dbc300000040300473045022015f946c496c942857ea10ead81881b08af54fefbc3453510637d329508f8f0bd022100f64b58f54b3fcff6daf4ff76358a0c095e6c7cbbac7195ccdb55ce30c8d5cfe800770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197590dbc220000040300483046022100c0bbec8d379734a82722ca4ebce279b8ab084f3c0ca36a785fe8ad9502eb6427022100c52c6a49f4ea5e53e4856573271bf93954272d062b0eaf5f1f0fb8fc60786d1a
 . . . . [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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