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:c6:01Serial 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.orgCheck 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
www.torafuku.jp
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Certificate
The complete raw certificate details for www.torafuku.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE+TCCA+GgAwIBAgISBBTbHzTw7nII4JeR7wB/KcYBMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA5MjcwNzIwNDRaFw0yMzEyMjYwNzIwNDNaMBoxGDAWBgNVBAMT D3d3dy50b3JhZnVrdS5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AOVuiIDIP9V9d/eocwUN9de38ZLEL/oKlguquzbq2uXjn10m1cBL9nFiZ4m7J5ff R0wMzCbzQAfe9lSmu/xwqGcJiFOzc5wZSDSUA2OTbhkUdHwfuXGzAr/+DQMFvEkW GO/SBn15ssyDdb57tmncwy+k7lly0QBdqYd8XCqk2fYOR3l6v8xForzPjThsIjs/ HQrCG80ACELNTCBjcxg/75f/dYC4Ysfago+N27lwNVk+4XYvLjyzNq+RjEib9pCS RUqyJas6NR3pVcmI1TicYEzKSpSLB9UqZsdgQI7CHg51WbLH9J3UV2opX6yo8nmE jEguNAHK2qoAAMlbd3pGDKkCAwEAAaOCAh8wggIbMA4GA1UdDwEB/wQEAwIFoDAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV HQ4EFgQUoHrH4DNs1sdzzBy5f5eZzYZRoC8wHwYDVR0jBBgwFoAUFC6zF7dYVsuu UAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8v cjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9y Zy8wJwYDVR0RBCAwHoILdG9yYWZ1a3UuanCCD3d3dy50b3JhZnVrdS5qcDATBgNV HSAEDDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2ALc++yTf nE26dfI5xbpY9Gxd/ELPep81xJ4dCYEl7bSZAAABitW551YAAAQDAEcwRQIhANFc 3f6PRl0swVucP0Oo7TozJni2exlNss7QHf+NmhBRAiBObvP1GqFjR7U8dY1muglj sjl6eB49hu4zNAKLpCde2gB3AK33vvp8/xDIi509nB4+GGq0Zyldz7EMJMqFhjTr 3IKKAAABitW555IAAAQDAEgwRgIhAKmGcZ7dlf2+wYs0/wQlEXRs3zNCRRPsYDcV PronjrvDAiEAvuUFcU3Lr9wAV9AUd3f2rDVeFcYW4wgExxUET/R0FKkwDQYJKoZI hvcNAQELBQADggEBABKDzPpnpPVEbZYldIb7mGEnqaw7sJRk2Nxs+laUNQdMw7xG OVmkla0db9E9lQsYxD5ceqE1N1BLBg0wvkb/FqXFgs+vmIY3d39Ax+1jCzwep9Pk TSl7qawwDRc2i3+EgEzT4nbhwys7E6y/EShIF3w4kVxlZUxL/2fb7boXlB2agm/S alpvc4v9TBQ7mpeaveUK3OA03bDbhFfJD4s4wVdtTBg9m3yyDj7lAnnBRzeotG1h TdXz5K7NQEL93DzkamwZAloGoeBlblXrljyxKCcvVkKDRy1jHhUtxHQPu5+ZtTUA d2lT3wMbFm7D+W1QWqiu1xvcX1ULQSn6RPsrVmI= -----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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