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

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

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

This certificate with serial number 05:c8:00:eb:c8:cb:07:a4:07:7b:fe:09:06:d2:3a:03:d4:dd 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:c8:00:eb:c8:cb:07:a4:07:7b:fe:09:06:d2:3a:03:d4:dd
Serial Number (int): 503619127305318284025263855272073925743837
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ed:7e:e3:a2:7f:ce:10:95:c5:ba:9f:64:7d:4a:36:17:96:97:39:aa
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): b1:c0:b6:7b:a7:be:bb:c1:a5:e6:52:b2:be:e8:e8:c2:6a:da:69:4d
Fingerprint (SHA-256): 84:1c:58:4a:37:06:8f:e9:cb:3a:b0:92:21:92:24:95:45:21:31:08:e8:1b:f5:7a:dc:a2:5e:49:39:38:dc:7b

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/94.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
Key Encipherment
Digital Signature
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtDdxHhKF8LOjt5rUTuAM
eX/m70taE8jCuVzPUb4TDBrUzPUhlnXFANh+mfKGEx78v6rQEK6ulVaG5Ufgzl1j
ydO4iNTWLVIQU67no2kbKNngzJTKnrZLS3/PtKhpX98DJzQGmyI5NAqvQO5SPREA
yJqsajvLpHjk44Q9AzYqYHqLfF2kYcdmBGQKs6kIRERU/x9DDDw8iKmwVNjNHxfF
SGzk/BQ5e33HvN65RBMzyk9mRDq8PSVTg4M7MLRm12p6bXY4hiDYHGD2EKn/XGyq
KJ0wFBGYyCeZS0aq+r4Y+8j1YW8uMNnfI9yrpl5Dr9SejKkQX94GrOX25peX81yC
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 503619127305318284025263855272073925743837
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-18 00:19:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-16 00:19:00 +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 22750234296533600680243483842077573167605594650087118475011236607657151656352876004718333581348653641311603364668007585707393067391245930028598233778953069289647034344729605070056674500997657958294017641067631491797269209384876034299319059755299110868551138748278261956450755043045145182974492550815046154783038324920907930179230209710624490439379312450803087258068115550723387276768788895950998041018445048955615101435308320597362362202385561742680937743171988259533104188365721785895839973241258699176782808459260799104842581727285742992767785264454190202074236099716049776243473707290635095958987496542946184692391
 . . . . . . . . . . . . . . . . . . . . [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)
							ed7ee3a27fce1095c5ba9f647d4a3617969739aa
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (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://r10.c.lencr.org/94.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196e0f7b2270000040300463044022100d2a950d401fb1074478f9b346c50574d1cd87689576a64b98343d33ab3f2804a021f59ce6cf5fbb36248c8137f4414cb778319e1340a4d0d329e9fe667bfbdeb36007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196e0f7b9b300000403004630440220086b3f05fcee119596bb5b5e5ae237c0764997fddacc4f80a86fb18e7aeb49f4022054ccdf8e63407f40fdbfac250cd4e73b2bbc963aa29a10c0931df904e7cd146d
 . . . . [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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