projects.onizukastudio.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:10:68:20:5b:b0:8f:8c:c9:c4:99:25:0a:e7:dc:ff:92:85 was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=projects.onizukastudio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:10:68:20:5b:b0:8f:8c:c9:c4:99:25:0a:e7:dc:ff:92:85
Serial Number (int): 266919783390764716814205791658932336300677
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:59:5a:33:0c:c8:51:30:71:a0:90:05:b8:4d:44:45:73:fc:cd:e8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5a:34:a1:7f:10:32:5f:09:62:a4:08:54:11:8e:70:0b:12:88:e5:31
Fingerprint (sha256): a4:5e:a6:47:f8:01:bf:cb:3d:3a:64:2d:5a:34:38:ac:4c:c3:cf:5e:d4:b3:19:b5:ca:13:9e:c9:11:66:b0:db

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate projects.onizukastudio.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for projects.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

projects.onizukastudio.com

Other certificates including the domain name onizukastudio.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1S9x9anIeZx3z7HFxAhy
e+wqiZIcfcF8BCBh6FHKE2h5beqq0HQNYJfVXFD7u/tO7frMY/11IWkHT6M9zScA
eghqdbyhA11MeFzQE3iHuAqSetxzu9otnL2Id2KfDtIhPazwWifxzq4h5oimYkX4
HJsvhKsq32Hs/8kT5L1MivNrdpBYV7lWI7OdXCYtsUg63NYDHASFUexEgmNTfaDw
283WzXNEo56QdK0mpjlk3Or5EWlyvCY77bK7diOLnlFUaKWHjJa0fXCh4Yjdjjd+
nPuvqzS1Xk+Q5a9HWvfhkPK3SPBF1/cmvws21AQ9c6HEs6k+jD8knSFErrKAjFxl
nQIDAQAB
-----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 266919783390764716814205791658932336300677
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-28 08:04:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-26 08:04:12 +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 'projects.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 26912155035572903741844928562960126715429075492555540628990023416799686990998422054476416091245249505000948597160657949569313921046082995026049319133245131266651566897578960354704542910806473561787011114925459327110431111887772070062433636125866635686561491021524752490172689904389949013555442092708962535607106007349570646535182544579938210416816949395878798816021844808641406591718480940441986309919874439722295792738560011224961360968472914578333571534509378534186057334284785042904490278269889558833568719179049679115790278565839348954849282576669329805652257373269960566607668938386436879160590217417473046373789
 . . . . . . . . . . . . . . . . . . . . [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)
							26595a330cc8513071a09005b84d444573fccde8
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'projects.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b9d53ef4b000004030047304502205e93a8fa77ed7c68e5f75b696000f451707591485907f88e68a971856061c2fd022100dd2b3c37699b72b1c08e8583a3021fff23ffc511b7b9821040eb7bab38292878007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b9d53ef3c00000403004630440220191823295eee1fbe682dfba86bc8afdf77b8f8f98fd5d6111bb7551bde3e353002205b7ba2430cdd6a64b0b8fbcfa2f9f8fb50f08fec5e0d25a1c6aeb5f61c4d31fd
 . . . . [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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