www.rotier.jp
Issued by R3
About this certificate
This digital certificate with serial number 03:8f:f9:b2:66:12:89:17:f3:3a:ff:d3:de:cb:6c:ca:3e:79 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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.rotier.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 03:8f:f9:b2:66:12:89:17:f3:3a:ff:d3:de:cb:6c:ca:3e:79Serial Number (int): 310329140335040518364795111303150966554233
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 11:8e:64:c3:e7:97:b7:5a:ce:93:c3:48:1d:6d:ad:2e:a9:0a:31:64
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 26:73:c2:83:2d:f3:39:66:de:61:ad:19:d5:56:42:9e:c8:44:4f:fb
Fingerprint (sha256): a1:99:a0:08:3f:8e:90:f6:e5:0e:48:cb:47:4e:c5:ef:0b:4a:99:3f:e9:02:2a:03:fb:00:82:67:c7:16:51:eb
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate www.rotier.jp
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.rotier.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
rotier.jp
www.rotier.jp
www.rotier.jp
Other certificates including the domain name rotier.jp
(limited to 100 certificates)
school.rotier.jp
school.rotier.jp
www.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
www.rotier.jp
www.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
www.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
www.rotier.jp
school.rotier.jp
www.rotier.jp
www.rotier.jp
www.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
school.rotier.jp
rotier.jp
school.rotier.jp
www.rotier.jp
Certificate
The complete raw certificate details for www.rotier.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE9DCCA9ygAwIBAgISA4/5smYSiRfzOv/T3stsyj55MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA1MDIwOTAyMjlaFw0yNDA3MzEwOTAyMjhaMBgxFjAUBgNVBAMT DXd3dy5yb3RpZXIuanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDI qg9255XC2sNNORbViPBdZlhFsHUY5JXNe8lBqbwIwBc2y69SPiRJUlLRDdQC/UPT AoKDfkBqnWulMSn/hZA3Gl8Rtmq6oGmYa7XNr+BqkXqXfR+vKrLNbfrN7Ib7vQjh lJso9vnTgAcsDlvcUZPgaFVUX5kvXkTL6t/bwwOyVLSxO1vDvqec9nQKn/WHV72z 2Jz/Eogcj7iy0Gm8w66VzDA3UqJgRb0QaQkrftUlDSwHgWXOkpsX8HIiGAEGwgyE I1iMFbA2OxBG+NP39ksAW89j/6jB8kw39XIh+sIkX0oupWjHGkLqL0ZZffxAA0zK qRMYDLF9BYy8A3qSlP3hAgMBAAGjggIcMIICGDAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFBGOZMPnl7dazpPDSB1trS6pCjFkMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv MCMGA1UdEQQcMBqCCXJvdGllci5qcIINd3d3LnJvdGllci5qcDATBgNVHSAEDDAK MAgGBmeBDAECATCCAQYGCisGAQQB1nkCBAIEgfcEgfQA8gB3AHb/iD8KtvuVUcJh zPWHujS0pM27KdxoQgqf5mdMWjp0AAABjzjBZgYAAAQDAEgwRgIhALhoPWO7PE84 irNM1KuDzXeod34bBZs+i8Wq+xd33sbEAiEAlduQnTeCbnWpc4i8n6Jr2kEm/t3I +WRNJu0dun4uW3EAdwDf4VbrqgWvtZwPhnGNqMAyTq5W2W6n9aVqAdHBO75SXAAA AY84wWaBAAAEAwBIMEYCIQDza7DviX3ATzdzjO/r8DtmhyuPZPhAkTNQdWkCmfXR 5AIhAIs5XvdanujvfIYLmxtaErygmRCHOEmLURXGaPAUpStgMA0GCSqGSIb3DQEB CwUAA4IBAQBFBgwp9WpSUzNeiTLdM966jyytsumj35Oiq3HnCDUVtza1d0BoN70y Qkhhr/9nVa5GgYAT3b989i1rLB8f0XHQhdIxxh2G01XlsfLw+rfjX84LGMjPBmp8 0cuOKeYmZD832RZhFtMXx2Rlb4FhHGr67El34cfTO6cGkGRb9MhuKMrTGiaGUC4A 5yO+MuODtcVeyAzTIXQA2gSTjIm6Xb8SOsY3CxgrRkNY+FEwnvYSeDVbo4WvqiM3 DYzk8W37cuDo3kUhtP2nICuGmYRDMp9dMXEreCyJKYFH28VJpa4twobQp2IVsoWd 70/NSBS1JdhTzH1IxAswiS5RN5B0nPdc -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyKoPdueVwtrDTTkW1Yjw XWZYRbB1GOSVzXvJQam8CMAXNsuvUj4kSVJS0Q3UAv1D0wKCg35Aap1rpTEp/4WQ NxpfEbZquqBpmGu1za/gapF6l30fryqyzW36zeyG+70I4ZSbKPb504AHLA5b3FGT 4GhVVF+ZL15Ey+rf28MDslS0sTtbw76nnPZ0Cp/1h1e9s9ic/xKIHI+4stBpvMOu lcwwN1KiYEW9EGkJK37VJQ0sB4FlzpKbF/ByIhgBBsIMhCNYjBWwNjsQRvjT9/ZL AFvPY/+owfJMN/VyIfrCJF9KLqVoxxpC6i9GWX38QANMyqkTGAyxfQWMvAN6kpT9 4QIDAQAB -----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 310329140335040518364795111303150966554233 . . . . . . . . [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 2024-05-02 09:02:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-31 09:02:28 +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.rotier.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 25331520905942974540843759836559297071661516777760940681019872319753431257242833153282093613134686017807208700500541467021413655767795321088858973775747582532867927845225708898693323188404621058659837225652829496054672277053365909501856735965108248944188121569037287931428375694874197090439681162334710946979269887576011788711235610157677912559141922050798845622448198422466109004286210130265046329071797996105121610654798968045565487528781232975025421807919205498026360874583185030315881693319965350918853758913675073456266396446678896073981866262338651352871972190397610045331755308846568308738418656290620159884769 . . . . . . . . . . . . . . . . . . . . [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) 118e64c3e797b75ace93c3481d6dad2ea90a3164 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rotier.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rotier.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f200770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f38c166060000040300483046022100b8683d63bb3c4f388ab34cd4ab83cd77a8777e1b059b3e8bc5aafb1777dec6c402210095db909d37826e75a97388bc9fa26bda4126feddc8f9644d26ed1dba7e2e5b71007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f38c166810000040300483046022100f36bb0ef897dc04f37738cefebf03b66872b8f64f84091335075690299f5d1e40221008b395ef75a9ee8ef7c860b9b1b5a12bca099108738498b5115c668f014a52b60 . . . . [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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