puzzles.w125.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:54:5e:b6:52:a5:0c:8e:4c:f5:62:5e:91:32:12:d2:0c:56 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): 03:54:5e:b6:52:a5:0c:8e:4c:f5:62:5e:91:32:12:d2:0c:56
Serial Number (int): 290046470722505726466777741089301303790678
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:69:7c:6a:32:29:21:2e:57:1c:5d:69:05:48:58:a8:e8:24:1c:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e1:0c:33:98:6e:42:ff:f8:c6:6e:83:2d:42:98:a4:b5:bd:5f:45:41
Fingerprint (sha256): be:61:2a:ce:ea:63:98:4f:70:0a:f2:55:15:51:91:35:16:eb:65:d2:77:12:da:8f:16:d1:1c:0e:df:ee:e3:35

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArGmbKCGGP0cNdk+15+Ng
X7y/hFZmaYN9wWJ3BjXolUXMgY2usfUeeaIl6Iu2uX0goQG5jwS4WLS+cbMvFdDj
UB6ysOof/Iysa/hANk3Z8lsrkjfOozIPedrd5fPBIl6T9/I/vnSn+//tUdbVxywZ
Yr6E5s/cfhTi/ki7qxzaesvCg9mrlyF2KiZmJgru+pny4Kv4yuhSuVyB4Mgegda+
oNgvs499dsP4Mtd07Ckc8nmv08Ab5qTyDv9o6rYfd2FHp1fjvEuoUo+r143sn8jW
COdekuuCLYncuoaqCk1XlgguX5TZ5mCGL3SuzANK28aSabMz77XgCQ9HGtPCZ22w
nQIDAQAB
-----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 290046470722505726466777741089301303790678
 . . . . . . . . [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 2024-03-23 12:31:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-21 12:31:35 +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 21765064753662643254257160996756279190331195963859800980173364786702462299567167847885644825601626715325587559880948593381966414955339721886399662653895799456260502822879215087503195141162660333064434297668104646839462504603839893021694201618713970511056411077232663722150902881272503789806598660688061561930502661776407916284485128798020280391088155836063672537694575765467627022433723928921949758587323731219884298656879769049129808837530784322934116458175354610459126321229170355368044391649458724250549655244733995802958603973161175271774300837093450258415523100575015504066261536039391692281083660470056934813853
 . . . . . . . . . . . . . . . . . . . . [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)
							4a697c6a3229212e571c5d69054858a8e8241c8d
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e6b82773600000403004730450220769040f4eb864f8a347d9b3a727967853d9db48555d108ee2a4a308ff663e7c5022100f53e2a367b8630f942c55fe8f6b45239da075d5c4b10b2c24036913bdc8534f40076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e6b827efe00000403004730450221009117b4f7d7fba9b41d8e267943972d380127ae79642d4a1771f5aa962ebc6ab102200f6e42c34f62ba76efb486b4e4e210e22796f3efce963ff50dd4ed7eec66a176
 . . . . [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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