puzzles.w125.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:f6:4a:c1:96:1c:46:2d:ac:5b:91:2b:db:e1:51:bf:37:15 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=puzzles.w125.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f6:4a:c1:96:1c:46:2d:ac:5b:91:2b:db:e1:51:bf:37:15
Serial Number (int): 345145688087414931212624531362502601029397
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:d3:97:21:56:4c:40:95:45:b2:03:f1:6c:9d:54:3a:87:17:ba:20
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 28:4e:97:cb:b8:fa:78:dd:3c:4f:20:b8:41:8d:d0:1d:5d:d5:9c:b9
Fingerprint (sha256): 03:79:54:b9:be:06:4d:6d:a2:f9:d1:5f:80:a5:f2:09:a0:18:f1:d0:17:ad:d4:49:99:6c:ce:4a:3c:05:3f:0a

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

Revocation information

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

Check the revocation status for certificate puzzles.w125.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for puzzles.w125.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

puzzles.w125.jp
www.puzzles.w125.jp

Other certificates including the domain name w125.jp

(limited to 100 certificates)

Certificate

The complete raw certificate details for puzzles.w125.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvvSAUpPBpYztgwO9l9+D
oPXNv+mjzfGu9RE897t5D5daETPPEwsx99HfiFf7mcsn3DAzrU8FZcGJarGsRlox
GcjCLjDUoWHMiCSiniCC3PICny5SdhBHT1xzwwtVlJNQ0spK2DESuI5rg+iL/N1G
ConoXnO313V9botPrua+euYWKaVHE10WJl7N/g2XHOfjN7cjmDfIzNjH2a4e4hBv
bB+/ypIl1rgFFaDkX0iuljGJQBPFtkTjS/ibKRGFsIc09x2HiEO5UIkwCgIBu+Ie
83de4Lj99UEjP4dMvLOdpyd+1A54oPDSjMoRrDfsLmlHDf3hU2/zqk3uc3eMxwBI
iwIDAQAB
-----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 345145688087414931212624531362502601029397
 . . . . . . . . [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 2023-09-25 01:55:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-24 01:55:07 +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 'puzzles.w125.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 24105846008504102904021241025171223422061598205495093867662106235852854071894768636737619789597309022447405922816462034202683681207728608739303754374146473126684816107995053608439071110972857648078743898448922724628059636017031995533076587393795277924678285296266713859615022407300128911859456647298575250159130627902418367649281313350615375369697336639720929594272334051208893624547095315796068823435087259978272210151260127309915722757982381882066847283675724922617705668153681715087155599459568097757868759185857427994171488235161694134830006949644880620012064236053156550379095865586761970314471693509737429616779
 . . . . . . . . . . . . . . . . . . . . [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)
							49d39721564c409545b203f16c9d543a8717ba20
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'puzzles.w125.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.puzzles.w125.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aca4314b1000004030047304502202b6d31fbb2e6ba6d783bf8cf20c71680c8995034de37c99cfb25eb87fa64ca68022100b67445495ab65d2aee84e94752d5c14703ab0548938c8fbdd023bcaac9c5a5f60077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aca4314be0000040300483046022100f2a0445cdccbc75760fb0fa87fd66a1d2fc3555c27951871c875c612931474e5022100c7d83a76dfd92a8accf9adabde91649630247e042f3bbae86097495d05a9e799
 . . . . [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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