www.kitchen-city.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:fa:70:1f:c8:79:7e:f9:a9:c6:d9:1c:5c:66:92:c9:67:35 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=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:fa:70:1f:c8:79:7e:f9:a9:c6:d9:1c:5c:66:92:c9:67:35
Serial Number (int): 346556488088353706293211739773636272809781
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:14:b5:05:a9:c0:c1:8a:79:e2:64:7a:e9:66:50:b6:37:a7:3d:f5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3a:c2:e2:13:01:e8:fc:b4:8e:87:23:ca:56:e8:ec:ab:c2:33:37:78
Fingerprint (sha256): ce:84:c0:1e:a2:97:af:9a:5e:a0:a3:ee:37:5e:a3:43:a0:60:0f:44:6e:3f:8f:4d:dc:b5:dc:88:bd:56:a1:c6

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

Other certificates including the domain name kitchen-city.co.jp

(limited to 100 certificates)
forms.ginawealth.com
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www.kitchen-city.co.jp
demo2.systema-ti.com
www.kitchen-city.co.jp
test.kitchen-city.co.jp
www.kitchen-city.co.jp
www.kitchen-city.co.jp
meeting.loxtonloxton.com
form.sim.nabni.sa
booknow.xuanearspa.com
www.kitchen-city.co.jp
helpcenter.vortekspaces.com
www.kitchen-city.co.jp
support.myqudoz.com
www.kitchen-city.co.jp
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
www.kitchen-city.co.jp
www.kitchen-city.co.jp
www.kitchen-city.co.jp
yoyaku.kitchen-city.co.jp
dms.uniworld-logistics.com
prenota.caygri.com
building.kitchen-city.co.jp

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4BM/tA+WLTgby2nvUbQ2
vTX2aLOitv8ImQr8UMe5AM9LKH/qU4thjXwC9t4txw5eJtJiAF2j5FqMctl8ZyC6
im6wDBTPZZh58hL3fiz1YMwmsgIG/9qM3zrMvkfdrkadFwvGVbcI5MrVtoyUnf+y
4xEDsjEwiDLhJkCJHByO2Iis2J+N/3rHGIsUiVd/MhsgJGnwF7P6qGIXgXP7/MPn
07MHZ7t9ASqNXyIsr17vzDhvjcOi4zsAuKjrlNXyLAedfdf5bkthbXFlPbCLRieo
/8MJZR6Bo+N/p7y8XxIRn5R5bffuL8sEwvKUN2N0TSMLwin/zfwNilw0RXOofFVl
eQIDAQAB
-----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 346556488088353706293211739773636272809781
 . . . . . . . . [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 2024-02-13 05:20:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-13 05:20:44 +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 28286872269793060230065757618637262602444012266895650199789762168750000728612080905038255915175232546325282357607554639197420349944902702003613105690876560306377011700125185188839218785953837804103409391315974034676003869816799894073677520763137816021865156138931616361601354664570128547094941204311347807622163540155744356915463884876635430156325728366892952855510363326781507906977799013419779391852094888134288271374489301024460354113657306626044811773436203335695892035590290167568278355245778410287231393538515973192510254095355298130818147579217050910542618172829914615705611835390221752169796190203018917275001
 . . . . . . . . . . . . . . . . . . . . [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)
							ba14b505a9c0c18a79e2647ae96650b637a73df5
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018da12001730000040300483046022100f04c62eeb1b885c4d230b6a46375d8bde7527eec53e43976eef2087183717272022100afe22c13d50da99055cbd2155ad9da086502cb19cee277514fa782b6cf6e090f007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018da1200174000004030047304502201e6606aacae5f0e27039ad7d80619e350c96184e8303b6b9cb02e395a3f53228022100deee86decabecaa7dc5ba5f91d923579ef7ede778e0a66e9211a791ae1a302b4
 . . . . [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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