c89.yie.jp
Issued by R3
About this certificate
This digital certificate with serial number 04:f9:21:92:d8:6d:b3:97:fc:38:0c:1c:6e:ec:2c:12:8f:52 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:
- 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=c89.yie.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:f9:21:92:d8:6d:b3:97:fc:38:0c:1c:6e:ec:2c:12:8f:52Serial Number (int): 433224080079248837955958117338370698022738
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: ce:c5:ce:a3:6c:74:f7:15:79:de:bd:bd:74:b0:41:72:91:69:8b:33
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): a3:cf:d5:8e:3e:f4:e2:e7:e9:2e:cc:a3:a7:5f:48:69:3e:e6:ae:71
Fingerprint (sha256): 07:1a:b8:44:60:03:dc:09:8f:7a:f3:7c:2d:cb:fc:56:38:42:c6:b2:25:d3:23:bc:b1:03:46:5e:8e:5d:2a:85
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate c89.yie.jp
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for c89.yie.jp
Public Key Algorithm
RSA
Key Size
4096
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
c89.yie.jp
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Certificate
The complete raw certificate details for c89.yie.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE7jCCA9agAwIBAgISBPkhkthts5f8OAwcbuwsEo9SMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMDMxNDI1MzVaFw0yNDAzMDIxNDI1MzRaMBUxEzARBgNVBAMT CmM4OS55aWUuanAwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC96Csw j/BoXFD6W4P2HuS5j4k9YOMz973l5/M8CBq9FoGaMsKejUFopwSQa/Ki2QDiKoeX B9oNbUstQIlc0u9pnBQmgGep5El8eThfnU+YgCOTrbsL3ShJZygnx9ogMlY3UUbR kztDSh0s/23xpi8QAQ5XbBmTgnMN1mIIkeu1mVWyuQNzTnUzx7s+imOjdXX4HQhT wSa9n6vxPCJG49LkGQOHlngrodN/iK1bojmpylvOTrW4iqTsNoa/FJEY6dIjnfzm 2WlGXU4xGqGFU3K6vba/h6IczGvwvR33YnHsOu42968FV4/nGxm/y55zItp5PbXl oqb9eQLIzOr/ISnB7eF8JbtOR1Vjz+wQ628sj/Qz8LHE6sTxak/vy7xBgSdM3QO+ FPEm3LJIkywqnS0fl5VXXrd8Rp1raL1BuRFv4Vx2wTnv+ZVXpVn7eB7zh+qAh28X Tbm5i8INS7rFPmznbFIKUu6ORBIcSvorAWI74JhS4FuA3wUh/pzrwki/TB7m+OBq jSbPZp23otXnIRItPchfckN9XCEYqpfcCKPrzWqI5NO8hKRJEREZRp+Lb2RUegQo IjtwHUP958KBBzyghyWqfAtMGnUOlokDpPuJaUW7co1/R/3q/Do2C3NTUbpAqQPD LJeaGQsIVudvamBBKSzWxy9PRBGilm3C3gx0YQIDAQABo4IBGTCCARUwDgYDVR0P AQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMB Af8EAjAAMB0GA1UdDgQWBBTOxc6jbHT3FXnevb10sEFykWmLMzAfBgNVHSMEGDAW gBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUH MAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3Iz LmkubGVuY3Iub3JnLzAVBgNVHREEDjAMggpjODkueWllLmpwMBMGA1UdIAQMMAow CAYGZ4EMAQIBMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3DQEBCwUAA4IB AQAL7S/4sHccnQr/utwC/W/L7HSaxWBJIc7Hg8BalHf5yPWDILwllvdRMlCOvKAW 6opue1hRwoXAs+pZfHBeOUI4hY6hiKi7aDV+kL1cTD6l2y3HWzqMGF8+8soa/9kN 3xoETBdgHJS46yrm/AqdVWwy5zTTWb9bTjuA8w7MKUQsFSI3P665ZL966P67fqfR LPWno1GzRpXx3dJkfUDGhiIZf8CnOv6zjzGaDliNpLLfkrTGdK4eAYvWPRoKcdgq 8NlgkSgS4B0cf7DOO9ke8weGtdPKVNtkwzt7De8g2hyvKCOEkNLlkjGUdMmL2/s1 4nhR+TPtqXWyuWDiE7zOK6OF -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvegrMI/waFxQ+luD9h7k uY+JPWDjM/e95efzPAgavRaBmjLCno1BaKcEkGvyotkA4iqHlwfaDW1LLUCJXNLv aZwUJoBnqeRJfHk4X51PmIAjk627C90oSWcoJ8faIDJWN1FG0ZM7Q0odLP9t8aYv EAEOV2wZk4JzDdZiCJHrtZlVsrkDc051M8e7Popjo3V1+B0IU8EmvZ+r8TwiRuPS 5BkDh5Z4K6HTf4itW6I5qcpbzk61uIqk7DaGvxSRGOnSI5385tlpRl1OMRqhhVNy ur22v4eiHMxr8L0d92Jx7DruNvevBVeP5xsZv8uecyLaeT215aKm/XkCyMzq/yEp we3hfCW7TkdVY8/sEOtvLI/0M/CxxOrE8WpP78u8QYEnTN0DvhTxJtyySJMsKp0t H5eVV163fEada2i9QbkRb+FcdsE57/mVV6VZ+3ge84fqgIdvF025uYvCDUu6xT5s 52xSClLujkQSHEr6KwFiO+CYUuBbgN8FIf6c68JIv0we5vjgao0mz2adt6LV5yES LT3IX3JDfVwhGKqX3Aij681qiOTTvISkSRERGUafi29kVHoEKCI7cB1D/efCgQc8 oIclqnwLTBp1DpaJA6T7iWlFu3KNf0f96vw6NgtzU1G6QKkDwyyXmhkLCFbnb2pg QSks1scvT0QRopZtwt4MdGECAwEAAQ== -----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 433224080079248837955958117338370698022738 . . . . . . . . [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 2023-12-03 14:25:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 14:25:34 +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 'c89.yie.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 774752594869541626499940068408365425357006990772123254472992038181025175810196842662886919648663709198749649076195429254807862077933647664584450537056058118306747513790624420186829813109826222510487735889256704881776004406441847704120453917934584460355289118200277036148910785737851504674420710072061915949099880078137860933911188552529375437736451933314726189842028571332529290482214002309125712180541439424100711990171667208539985134644930341523093298969190536455985854077857688971481913276196346609573845808534906725503705081728763928277775753252506409171445736268832521140900705963568807833824202525760452136799973365401506963100285946259404863681860575439359448185521183873026401085865914921284326384119983813725842668320925216023744990070330054968141773492414618630182640197338067402806762445769569043972315374177329016989999380122136455261090803573965396321695545560060500143490639907189070229558435119913622173463681433513876976659320338466159432244205556359376052805467410072972495056760230894831833804682822502937294012708036167688964431711467934945701230758579860029944714555304074220615309354141792549846291002312857130361117450848215317734131374026300510846086379196385761490843655435233607390046333714777155276733445217 . . . . . . . . . . . . . . . . . . . . [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) cec5cea36c74f71579debdbd74b0417291698b33 . . . . . . . . . . . . . . . . [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 (14 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'c89.yie.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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