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:52
Serial 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.org

Check 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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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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