onizukastudio.com

Issued by R3

About this certificate

This digital certificate with serial number 03:02:1b:d3:76:2f:ca:dd:8b:9b:c0:aa:01:c6:64:02:2a: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:
  • 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): 03:02:1b:d3:76:2f:ca:dd:8b:9b:c0:aa:01:c6:64:02:2a:7f
Serial Number (int): 262054409656756801116936120238475372014207
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 48:eb:5c:c2:35:44:40:3f:22:2c:6f:e2:c7:be:a8:33:6f:67:be:08
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2f:25:3c:93:6a:46:28:17:9f:a2:b1:a6:09:0e:c8:f8:df:6d:6d:ce
Fingerprint (sha256): ad:fe:70:f9:08:3b:96:b2:1d:78:de:ad:e7:7e:2c:b7:37:e3:19:71:d4:57:fd:b5:93:70:37:1f:9f:c0:0d:85

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtsqZ6swLjbs4XPlGjuMV
LeV3ODk0VpuYCYpjGJ7+iNgqZcum9wQLD1KtAeL11zL1GZ1J0qiQHb7GAUjG61p2
2EgGVs3UVWtccFcc4Hx79jULmgGatLhkDWLQZKQXY3Rb9Celq2AtjjuzPkznE0Vi
W7L6f/Am7rJ8f0PydoNwzoTuGGQfbktv00+VyP4nkm8XTlAoEkjTlHAr7sli5m2Y
45Z2gYeAK7jvkJnuHLb697vPMXVJvJnZHCW016ayfMs28B5htJoDMFzW6BVB4pW5
ZlAPbVbUolrUbcGbbvBeKjCxGIqSTg4BcqoXWx1g9Sq4wg3cZIrJuFefr70oDs8s
jQIDAQAB
-----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 262054409656756801116936120238475372014207
 . . . . . . . . [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 2024-01-17 14:58:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 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 23075277898320440029793302285281536804349211037372062853438198665711480941875797402076084188208735194060305117120050490362061455583805875242697013020396555510989874154068960865070761182246475098999047647247970618420537874083730447050597424568517075689946229412881071588667649866491052739794587620780213426721813880447361532279772732360815345928272080280375343414141235296746402912356988771242507859263812275101044130968742157256043969645647160605311923081932512389605967772400880114400371099602470997344791589431801277294321859333806434024896140430809517352897390189691195134116375607949905907132798300893858107436173
 . . . . . . . . . . . . . . . . . . . . [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)
							48eb5cc23544403f222c6fe2c7bea8336f67be08
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d1825015100000403004730450220627fde3c51de17f44b79bcfbdfeb0de362139808c340ef7ca567b927983b874902210083469200ac97c0cb595181814da715585700860c38c6acf34a355849645eabda007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d182501650000040300483046022100f24b0f7cc064a736de92feb127ee118a65dca5070e668abc51c6689e2b575e110221008069be95ca12c7dce39eba9a83d8bc3f4ee9f8b3e46969086575aad4c2481bbb
 . . . . [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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