building.kitchen-city.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:ca:c3:06:69:02:b9:c5:ba:94:ad:0e:fb:07:69:29:1c:b8 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=building.kitchen-city.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:ca:c3:06:69:02:b9:c5:ba:94:ad:0e:fb:07:69:29:1c:b8
Serial Number (int): 417445414587898724485039372497480950815928
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2d:d0:b8:6f:62:f4:7f:ae:e6:d2:55:04:58:12:c9:55:00:e2:99:cf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 64:73:0c:e4:0b:d8:22:3f:ae:2d:06:99:f4:b1:7a:14:0d:06:d7:72
Fingerprint (sha256): ae:db:4f:fc:85:fe:78:13:18:ed:e7:a5:5e:c3:48:08:03:c9:07:25:67:93:a1:14:9f:2d:78:6e:b6:b2:d3:56

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

Revocation information

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

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

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for building.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

building.kitchen-city.co.jp

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building.kitchen-city.co.jp
www.kitchen-city.co.jp
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www.kitchen-city.co.jp
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meeting.loxtonloxton.com
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Certificate

The complete raw certificate details for building.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3ebG0PdW9XC5CXXLlDQp
F6GgGIA4PsV6pTAkv8WokdiuREfnRlpPldKJdvXes6JydsKnns5XHD5qeoV5J5Z6
FGtrOwYl6M0oM+U3QDZl0QiP/ylZje4XjsOssn9x9r9Ur5+ZMBqQSfwhhOtDC7zq
piBlEtWBK6LdOU8wgklcyxo1jiscnNW/EkRHpDvyVMlrGpjBmHj8Y8tJAg25EGFW
/rcZY4wFIvtUsyMtKWGaILkZpnUE6njIHkTxjAFNafbOkMqo4I9Zx5e1aFfKJcdG
KU/UprAXMYBQORUC8qT0LnD4TDHca0L37P7UfapnS3IzxHianoYQRaAZht5feQFL
4wIDAQAB
-----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 417445414587898724485039372497480950815928
 . . . . . . . . [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 2024-05-09 08:25:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-07 08:25:26 +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 'building.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 28012465593205805092221627086799075224111258910103782287269426826934009014869399699659340421973607614211235337134072896342424016958936962615340801416118080611753831521133847625906016644822968999067924717501350447838130778594445852503862171671718467433165229726864106871735006910583703718206101323253561592014742661608531206721462751490828793484931674399864733832416360067857620121116470154631126185514524743096718814851810637086711550384668943111196408460805791876117625979995367093000438719488183498284488280382096796733740873775689889598906000819364992234794275768386305446696579007213323496148919991488385430670307
 . . . . . . . . . . . . . . . . . . . . [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)
							2dd0b86f62f47faee6d255045812c95500e299cf
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'building.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)
							00ef0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f5cac0278000004030046304402204e3a210486b5bc9a2189623952b21884e9504391db26b8aeb052176f3a29acce02200dab8a18cf307ef6319201bdbe5a92f005646588ff3e28c75dff25aee976308d007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f5cac03330000040300473045022072ee809f46ec37097c731436d469e17e84a76233f65509d300e97392afafe0df022100bac4574b5b532d6087dcd70347d6037ac86d2f6c05bf43ae13b1b8e2c71c0261
 . . . . [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)
		007829703708face4dcfa0723e76982896108f9af9bf34d4d122a8beb94dead4c06db1d6f6a0d9dfe372fe5769260711adf2b294d20a1fbc2de56386ac519006872270f449d6f3152516a8cb4a5e207ac4ac0a640d2fb74beeab6f7ee274091bbc5e110085ece9ad83ab5c54ba4829aeae3ad54837c8231dcb9c4acde0b758a8b96afb37e06675f734d8ffe8dec63890ee2f6ffd784e809522b6bada0149f6b8b8ba697c705b37fdf699b641783a46d591f0c4e811e1d30be55f791e33cc946b31a90cf452d2789e05d6436fca8b6813d063829cbd2b39f73922a4aacbbeb26cc25d5f024a4505d2be04323e8b214f83ec04a474b467902c24ff07537419002bcf