kitchendraw.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:2c:b9:96:2e:4a:b4:d7:63:42:30:8f:ff:63:86:02:37:7f 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=kitchendraw.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2c:b9:96:2e:4a:b4:d7:63:42:30:8f:ff:63:86:02:37:7f
Serial Number (int): 363668254834220962123102290568066642360191
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f1:2b:9a:6c:3c:2e:d1:35:90:26:17:dd:e4:a9:00:71:43:d7:80:71
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 87:d7:51:98:56:bd:a0:bf:d0:f4:3c:99:ff:8b:e2:ff:f8:40:74:d8
Fingerprint (sha256): f0:78:0a:19:2a:68:3d:9e:8d:3f:75:c8:62:a1:2f:e5:34:b7:65:8d:40:7a:31:6b:77:77:8c:56:ef:74:2c:66

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

Revocation information

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

Check the revocation status for certificate kitchendraw.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kitchendraw.cz

Public Key Algorithm

RSA

Key Size

4096

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

kitchendraw.cz
www.kitchendraw.cz

Other certificates including the domain name kitchendraw.cz

(limited to 100 certificates)
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
www.kitchendraw.cz
kitchendraw.cz
www.kitchendraw.cz

Certificate

The complete raw certificate details for kitchendraw.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 363668254834220962123102290568066642360191
 . . . . . . . . [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 2023-11-02 03:27:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-31 03:27:01 +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 'kitchendraw.cz'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 671744625294746564693045529187205276410539348590133219059166430012895653190863538260264431754739601718903120562915411677225369648016587925855525251110178305354322468058560592790075293625069753552894174362570231762021717135734012964704352714794301556105687679685473135491801383478721271924189058448301803962479143035237558473354960462901709343525929518186600457177793603225588506803257130920910655168979832448244152524809722762259335986840431276407053939376004662508563844021534891260618552159939094217924206281994630396895949404444177914956236821176871569626757640305259391218373153672689633340166299103391413413685361832042244933529572415423393590445841361482543892161078412499255714944066989542614598924400850582800966953699804189378002321355189991710128234902217841553402475805497279414612927000184958407506587063137477530957176470756927012951724562089963161677784999831107642240738285596654267428204271346224817626389066273631421902362386894160792695966934298796200460038918516041785141100618761517993618380925799944391091726438377408960023888889194794612977436511812818951018130652314637653429443072265036797231280243386954204501179558580647742521010879221181334967690238479179426754598669512601132740385464081021611019936236313
 . . . . . . . . . . . . . . . . . . . . [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)
							f12b9a6c3c2ed135902617dde4a9007143d78071
 . . . . . . . . . . . . . . . . [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 'kitchendraw.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kitchendraw.cz'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b8e48df2b0000040300473045022100a8c3aef4a348cfbbfbed176340087c9c4db1641acae13c10625ee91cfc7d76e3022055e4805675688067dc38e9aef23ed11eefdd3465d8d92762441382c52c1fe5a8007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b8e48df9c000004030047304502201f72ca6a3a01d40df600fb873e6fead787b50231c76795da36c0e30b56a0fe0c022100a68cb6130452e5895024ec71c8ba7ea03a6d1d400991bd0a9ac9a37a900da269
 . . . . [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)
		003aae33849fd5f48c2f4b9e2c40b2e3f062e80c40bb4191a6002e0c1038d09fe57955474a462ff9ecf020f4904cc7f0c55a6dd2fa3e22e99e63a905412372f3f3a7f167731117b8dd7d7ef1ad96c3743f6ba94c64451449ff2215233668b42e20783eb3a56d21c6cdeb2fe3f1013c7b37c77e2eb5b1b2ad8c754982af85a86339cb98043001ff6c969e5e7e0e3772df1a7e29c651bdbe4577228bf2aaba59ccdb883cc2801c4b71c9da45c9ed1663650aec7a9ea35b5a0fe7faf0a7ef91d28542aed0bff364d142606e2cd4f3cfd05ec0cac1a1704c03e71e842f5b5ce3c5a915193f6751a2ecd30efda3d4faaf156e7a5be0e617c9f2207f9d8aef80fc63c9d1