onizukastudio.com

Issued by R3

About this certificate

This digital certificate with serial number 04:00:77:e0:26:d7:a5:3a:b4:85:93:5a:bb:2b:0a:d2:6e:01 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=onizukastudio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:00:77:e0:26:d7:a5:3a:b4:85:93:5a:bb:2b:0a:d2:6e:01
Serial Number (int): 348608485720852459252898312042125502606849
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5e:a7:73:ba:82:00:0c:ca:cd:93:fa:24:2a:bb:0b:3f:5a:8e:03:b5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4f:02:25:2e:7f:93:38:bb:69:61:1f:c8:d3:2b:5b:dd:86:d1:15:8b
Fingerprint (sha256): 7e:29:0c:42:7b:8c:5c:3b:1f:29:e9:c7:6c:bd:31:c4:02:0c:ca:14:5d:e5:71:27:ad:93:a4:f5:5d:e1:d5:b5

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate onizukastudio.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for onizukastudio.com

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

onizukastudio.com
www.onizukastudio.com

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Certificate

The complete raw certificate details for onizukastudio.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyWgzzITbiLerSOdIQZsq
72iPsr0+LP8iD6DPB6bCYPDHWjjI8ZDoYDz194cb1s3u3CFsh513twSm/nQWJJO6
frkpF39bi8GG6x6mp/fRnN697QMBLB1GeTsqcvOtCGic5KD0HoV/GAxSjrkDBD8F
aOQdD3R581RO2e6pur+3dwk0/Gf6eWcwKDyCpvlSxoNVGrx6aKfLNOJpqKJuepcW
sGUImSfV6CP9fHTF4cmDnA9p/U37dhUS3iMwjXW32iwbxZ7MpvJyI0PjjOfIklBH
qdxTjKFfa60TEyWfkIRhZ4sfxBYXz6KJhQWM/3tdIrmXRFFGmfR2RLgygyh/0SZa
KwIDAQAB
-----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 348608485720852459252898312042125502606849
 . . . . . . . . [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 2024-03-17 14:58:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-15 14:58:13 +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 'onizukastudio.com'
 . . . . . . . . [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 25425283386877656539600328045107550648714918272617951223818905846551782528305454949679945936640322966796009165490955505363009177183174038575583248842442429693691939293831078006264463194741428754079814187953788153254948975167684883812906802085519803643180956343866420195016516224979988060988249902924995478939800785933053163461236635902452747386892658653299606857071127757786622162164400127307484285234710337299798909139355124705373561137224222735232935419933751083551044763070790893846231053503979575872120692107917713541467063662338847001420981961581421633721991170162718367492501116237797776019800020614475657140779
 . . . . . . . . . . . . . . . . . . . . [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)
							5ea773ba82000ccacd93fa242abb0b3f5a8e03b5
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'onizukastudio.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.onizukastudio.com'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e4d229226000004030046304402202c5c768024377c77ce24c69f2a67ca546af18dd763ed47d5b986d5de00c5570e0220170bb4787a7beb3e8c2cdf23a70b973f09545c702ccf4d00a87968f1196ac248007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e4d22943600000403004730450221008e2504aff075c22fda759250b55b96783acd4472699248c5fd7a847a4885f92a02200dc50bd4e9fd8b6fe854ab0cc97b89c5e5cea7256876d4d4aeb4a65a5335a4e0
 . . . . [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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