saything.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:02:84:31:7d:79:04:41:bb:24:05:2c:ed:60:b4:dd:5b:45 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=saything.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:02:84:31:7d:79:04:41:bb:24:05:2c:ed:60:b4:dd:5b:45
Serial Number (int): 349305423523761666139848783941813776767813
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:04:b3:16:50:a3:df:c0:ad:c4:33:27:6e:6c:3f:59:0c:fb:a1:8b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 45:e8:75:81:51:f0:19:ff:f9:b9:26:1c:1a:76:12:1f:6d:1f:23:e9
Fingerprint (sha256): b1:c0:f7:90:89:6e:38:4c:c2:f5:36:b9:74:6c:36:2a:0f:25:c0:31:b0:c0:9f:38:fb:a5:f2:0e:0d:c8:97:02

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

Revocation information

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

Check the revocation status for certificate saything.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for saything.co.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

saything.co.jp
www.saything.co.jp

Other certificates including the domain name saything.co.jp

(limited to 100 certificates)
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
www.saything.co.jp
saything.co.jp
saything.co.jp.ocean.or.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp
saything.co.jp

Certificate

The complete raw certificate details for saything.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApP5w6fsbezymUUYPoA7b
xKL8y4ZIwOO0F3/RU2YzVmsK5NhUdPlazpm8EssNgNxMaFigPYrrio95+O/Ko4tO
VIGmAZGKph5Co19/Zak/Il754sYxHgw9aUIEn5ct92a3xVVN9SjmIyv+vBNfQO7M
XMpV6DvgunrzrL9BWrSqRDuuiR7WYuhxTWihuQdYSdE9FaGj0ZAt+fLjJK4rhnRx
m/9FV44vIwYMAmpYtE4fY/tDTKbGnpIX/oE+T9cMj/zSyrzVg1aCm8qDCPOA3CoU
eCyKa9JFoy/3PYFcN90usPOJE/0J879YAiPdV8vyGNjhBs6TGcmP1I8kc/dx1BvW
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 349305423523761666139848783941813776767813
 . . . . . . . . [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 2023-10-10 01:30:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-08 01:30:05 +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 'saything.co.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 20828551582496135259168961112369863807155377304262236606375743237074190866722892285499926260652048578527150764270639199910941129593335162193887921877823204069628095952488795282263831868596813473806552953461342536173428813648823941975902615696270394569219459710587679551146178620821393730400370835955791226590797218255247069936665104260805189617366586343629777453587443089340624501497604641900771821960487509233557835434327270058157857412212280504151156985007554148030909430895260071320680502474036250981110307927193359792560858143665397784398766414271515084693793299559530999935451894558796724942231996909172901533409
 . . . . . . . . . . . . . . . . . . . . [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)
							6d04b31650a3dfc0adc433276e6c3f590cfba18b
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saything.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.saything.co.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)
							00f1007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b176b90ae0000040300483046022100e3f741a7d62445d08da8546415125010daf6407f384a6a1e9f993fcb88076aa8022100b3426bf4d524b1477c0406a02b000cd95f12ee659067ad111f163bf801bf9bba007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b176b90a90000040300473045022100ef128461cac690aad22df5156a683ea08d1e407eed31326dd569206dd3a80a9e02201e00223bce77ff5a3bbc3c3ee1e318630c08e549a7a50cc9687bba3e2c5d413e
 . . . . [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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