www.kitchen-city.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:62:d5:52:95:71:81:65:c1:82:e6:45:b7:61:fd:48:0b:2e 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.kitchen-city.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:d5:52:95:71:81:65:c1:82:e6:45:b7:61:fd:48:0b:2e
Serial Number (int): 294968084116049156185893359141530404129582
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cb:b4:de:9c:6d:96:67:66:60:e4:e8:b4:f3:ae:dc:5f:4c:c5:c9:65
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c4:d4:5d:21:35:23:c3:9b:a4:74:cc:77:8f:d5:4f:99:4a:65:4c:63
Fingerprint (sha256): ba:7f:6c:bf:b2:07:c9:2f:e8:6f:31:f5:f3:47:08:35:26:9a:91:13:cf:b9:c7:47:2c:26:6e:d9:9c:42:0c:7d

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

Revocation information

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

Check the revocation status for certificate www.kitchen-city.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kitchen-city.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

kitchen-city.co.jp
www.kitchen-city.co.jp

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(limited to 100 certificates)
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form.sim.nabni.sa
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helpcenter.vortekspaces.com
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support.myqudoz.com
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www.kitchen-city.co.jp
building.kitchen-city.co.jp
www.kitchen-city.co.jp
www.kitchen-city.co.jp
www.kitchen-city.co.jp
www.kitchen-city.co.jp
meeting.loxtonloxton.com
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www.kitchen-city.co.jp
www.kitchen-city.co.jp
yoyaku.kitchen-city.co.jp
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prenota.caygri.com
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Certificate

The complete raw certificate details for www.kitchen-city.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqVcH8Qmo6Rlb3+Vx6InJ
5bb4FyEmQRAZa3910/hGPphlOXFm5OsEU9uTZ0YePEF4OoUvthLOea+RlfMyEMtk
ukND6sw2rvuetLC65De4dM9lfp7ZCIrJc8RmoT4E85cO4rNhvTXTgjZ3ubUKFTEs
CaFlmXDPAqj+TRZHtH84dyzbU9WAXMcFle5RFlcHoITnMTzkZLlP5r6Kg6Guj3Vt
d4x3oM6ZrHX1bnIASs9vGlj7n8hNlvawzSHNi5Q/u9eY2Cy/qVjbFGd5w6tyicqV
2OyIvtUruvsFINlAuKKMnmNZNO6rSB/lZUwP656CyV2qbQOxNGrsLHt3j193I5jP
7wIDAQAB
-----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 294968084116049156185893359141530404129582
 . . . . . . . . [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 2023-08-16 22:06:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-14 22:06:56 +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 'www.kitchen-city.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 21377190135584635407242736609733806903541252441318346683767708383922841121960990593259895072682377019753312717595967688835975155857207063367482711490012148130051546835968826024346409081608616336531085628239571146212337394034215840319171088640543134556522815637338553873743484160544388890120549208128985668860391721434107346066204097158457982050462639032360372733124247228558961192744158146977619051429088434290507616280891520071455103782623462330578881173393984130137071386549781123180308770617479290642942448563728125694099281634982489891073091267991834400005797397277345273704953675636988528764740792964016867168239
 . . . . . . . . . . . . . . . . . . . . [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)
							cbb4de9c6d96676660e4e8b4f3aedc5f4cc5c965
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kitchen-city.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kitchen-city.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a009a29b400000403004630440220135c274c059063ad16f4d9562ad0c9791a8b1031bbc1dec2e2d3d88cf26e547402203246b8dbe2cb7e2baee504fe1da1dc613d60918095525cdff97340247f1cb7db0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a009a29ec000004030047304502206a265107ba683c54cff7a262547a202036950047182cba935f89c4f5d99ab5f1022100d48bbd9e9f70d98a1071eb84c96cc1ee78664116213b6b0b48f4bcf4b56ad32f
 . . . . [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)
		00192592204f10d31a76e3576319a78a4dfd797d26361619d23188c8b4b4a76f5878dea36c206cbc0fbf4881cd275cb971daadceb7336dbe9dcd3cbb2fd046beb351ed6ee686ed57fee62e8698435e3e9fd612e5b9e515deb9b8dc3084ac0fa4c4966341469dbe899df94c04b399a8ea8b27612d0c1206ad7b5fac2e0d10356c0a817c32be8a59d2dfef01acf4b38a597359122c113f59a9f2b07c5ea7a59e9cfc2f13344e462f3573a94a032d47950427d5ec2ec3ab515577606864506720614bd2609d06e0f28bc0e48a7e2e42a05d39ec317dddf4beaa2226bd26261ce588a006baab7acdcc211b22778f1a87cd73c822a2a7499ff6e2b6aa55346c41cc8ad8