DV SSL/TLS Certificate for www.innovation-zero.co.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.innovation-zero.co.jp DV SSL/TLS Certificate

This certificate with serial number 05:1a:52:82:4c:ac:a3:60:25:a2:83:10:c7:bb:b8:ac:9c:84 for www.innovation-zero.co.jp was issued on by Let's Encrypt.

With 2 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 www.innovation-zero.co.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): 05:1a:52:82:4c:ac:a3:60:25:a2:83:10:c7:bb:b8:ac:9c:84
Serial Number (int): 444518444448132542033522415660184126659716
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: e6:5e:2a:9b:3c:50:34:b0:33:96:38:af:07:c9:8b:9a:90:ff:d6:de
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): fe:cf:ab:ad:5b:c0:73:a7:c0:0d:9a:d3:b3:b8:69:7b:97:7b:a8:f6
Fingerprint (SHA-256): 34:19:40:73:49:85:e1:f1:85:14:e0:14:84:af:7f:fd:01:58:c3:93:50:3b:ba:62:b3:9b:a0:d1:14:25:6f:21

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/5.crl

Check the revocation status for certificate www.innovation-zero.co.jp
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.innovation-zero.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.innovation-zero.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy5Uc+4cjlj/AZozWgTiM
W/D/mb3yiRXVK5gIQ3Jd1WGTaz8jjI182Pc4TVdMsn3X0f8ZZPrtEmWNKNE+mO2g
q+Y4cZr4vJtbsScbSJtOKn0F4McVdddAnbeS2qKvl5EyHUL/pqDgeHFX3DBUnFcU
Zj/1p0DPlMHxwhzuUA8Tc/Xlo9wFiMUNcr+vbDVrHPo5od6ryBCOb+H5u4CLIL9m
9txGZwzrSoTstggt81ngMCeSRz+PvnuGBxs5+khKxeUF56j8yknhNDAcowaeCKvL
y0EcBTA73BuoY5sLleK08DUr9lRC2YKGigPaEnwbOxJw7vxsc3s2g1epVeXl/1Gd
OwIDAQAB
-----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 444518444448132542033522415660184126659716
 . . . . . . . . [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 2025-07-16 22:25:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-14 22:25:00 +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 'www.innovation-zero.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
 . . . . . . . . . . . . . . . . [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 25699906373963600984912691612033915318417461362337395897552112331796630125494021185663698227764312446433111793744902447111493325402507645859221468212284505257585309731772120511705969034907607698585196922890634582987383471022813758843096424351883171905722965158807226609462125062900905491370803329656215154850011117135028059634274384380877820334365329322231939732102753142521857080861723753516508362483245655779009930150857224149031890961386778264797703461656431428121067792602626882516805474224505347131103132755633715942568367606265270299660247056567168932417563435404256273159680353612646783351203682490885466070331
 . . . . . . . . . . . . . . . . . . . . [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)
							e65e2a9b3c5034b0339638af07c98b9a90ffd6de
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'innovation-zero.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.innovation-zero.co.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 (38 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/5.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000198158ce27700000403004730450221009230ea5adbd078baeaaa1d8e96cbbdaa67e9fae1068e22d506f2ac965b23459802206d54f54b9d6494ad84d70400d55f7d713267f8660b81e6eaef2f8016ee2ad3e9007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000198158ce2f10000040300473045022100898e9d76cbcca2f14396df56f9a890432d2a3be1eb7613fafaadbab01b53fbaa02203d0b81308b06814eb3619edf5cf9bef23d2416b83d929e8c32c74fbc43add713
 . . . . [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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