www.torafuku.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:14:db:1f:34:f0:ee:72:08:e0:97:91:ef:00:7f:29:c6:01 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=www.torafuku.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:14:db:1f:34:f0:ee:72:08:e0:97:91:ef:00:7f:29:c6:01
Serial Number (int): 355546054031513120696698651920968507311617
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a0:7a:c7:e0:33:6c:d6:c7:73:cc:1c:b9:7f:97:99:cd:86:51:a0:2f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8b:15:5e:93:01:41:33:f0:d4:16:d5:8f:02:73:8a:da:13:de:62:d7
Fingerprint (sha256): f2:2b:cd:58:e6:da:4c:74:01:65:ea:cc:b9:d3:6d:09:31:fc:25:04:ae:17:f5:05:3f:41:68:69:33:6d:4d:be

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

Revocation information

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

Check the revocation status for certificate www.torafuku.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.torafuku.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

torafuku.jp
www.torafuku.jp

Other certificates including the domain name torafuku.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.torafuku.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5W6IgMg/1X1396hzBQ31
17fxksQv+gqWC6q7Nura5eOfXSbVwEv2cWJnibsnl99HTAzMJvNAB972VKa7/HCo
ZwmIU7NznBlINJQDY5NuGRR0fB+5cbMCv/4NAwW8SRYY79IGfXmyzIN1vnu2adzD
L6TuWXLRAF2ph3xcKqTZ9g5HeXq/zEWivM+NOGwiOz8dCsIbzQAIQs1MIGNzGD/v
l/91gLhix9qCj43buXA1WT7hdi8uPLM2r5GMSJv2kJJFSrIlqzo1HelVyYjVOJxg
TMpKlIsH1Spmx2BAjsIeDnVZssf0ndRXailfrKjyeYSMSC40AcraqgAAyVt3ekYM
qQIDAQAB
-----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 355546054031513120696698651920968507311617
 . . . . . . . . [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 2023-09-27 07:20:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-26 07:20:43 +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 'www.torafuku.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 (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 28963077797038842997421167875724082329308602195689047198274936481154048658544301725279022297463363103805076585939990077064060285380828143473674113526786172116598394017198646928980130131397346603555341753581220508051899988091134872253564162071371139698915133353165871608212008569923291727380030754108331820492610238993755904179604461416239101016589646544286563632287541336007610106017597663107499745136302902676839669549743064659290910029968024965155271924148106761434103169216330006227257775747135448616093843394938507940765162337290043606524524481432772225096896490182990969798368994420235067938765913232760572873897
 . . . . . . . . . . . . . . . . . . . . [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)
							a07ac7e0336cd6c773cc1cb97f9799cd8651a02f
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'torafuku.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.torafuku.jp'
 . . . . . . . . . . . . . . . . [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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ad5b9e7560000040300473045022100d15cddfe8f465d2cc15b9c3f43a8ed3a332678b67b194db2ced01dff8d9a105102204e6ef3f51aa16347b53c758d66ba0963b2397a781e3d86ee3334028ba4275eda007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ad5b9e7920000040300483046022100a986719edd95fdbec18b34ff042511746cdf33424513ec6037153eba278ebbc3022100bee505714dcbafdc0057d0147777f6ac355e15c616e30804c715044ff47414a9
 . . . . [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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