www.chabrybarna.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:00:cc:bc:37:5c:d6:81:2b:f0:85:21:f6:97:78:a7:7f:f2 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.chabrybarna.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:00:cc:bc:37:5c:d6:81:2b:f0:85:21:f6:97:78:a7:7f:f2
Serial Number (int): 348721283512878419075347399452209973788658
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 07:ea:be:0b:80:55:78:e0:00:23:7c:5d:4d:b6:0e:8c:c7:07:98:1a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 83:91:5b:f6:dd:3e:5e:e9:d4:1c:2f:c6:bb:cc:0b:f7:c9:1d:48:97
Fingerprint (sha256): 8f:de:76:a0:c4:9c:1f:6e:ce:87:cb:8a:91:a3:28:55:78:54:7a:16:c7:6a:22:78:41:ec:1a:94:73:31:6d:8f

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

Revocation information

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

Check the revocation status for certificate www.chabrybarna.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.chabrybarna.cz

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

chabrybarna.cz
www.chabrybarna.cz

Other certificates including the domain name chabrybarna.cz

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

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5rFvmu8IYO+Y58srZmhy
WAlflbOZ/QVU50DoyzcbhF2D7WY1iFEvpAmbv8f/GQivblE5tpbz8juinPQ2XOCf
RoYxYxLDIA55MhontOZ6cj3n6NQoQbhq3CGaMJT/zUv+MpNp4TEmH1dJGaTU5Ts0
k+kQQlY+WXxKsBGySbwUGEvwUkJMTn1D4ybDBNI9m74KqPmvzmteZqIA4PtdrRWd
gbB2WgxJ8ewqBmw+pofqauO9+xCA7Gd0WOHFHUmP4YePq7WvdDmjZVyxKDviloNo
pwoSvrYwWKlT8BXYTaT9jamRR6bRoD5mfDGXzPYz5/wyQcVOKvfaNKkfdvQVeYqJ
fwIDAQAB
-----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 348721283512878419075347399452209973788658
 . . . . . . . . [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 2023-11-24 23:44:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-22 23:44:25 +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.chabrybarna.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29122307074065109291271224778744471154906208315128681294052737504691496520735984331396037803834310832593447176276793098102945132190628277825958695470937421825244502458289025613796258765480864478270701776632978217659288033776000397128914900264568144838996803659105865559185562738904760852074524762053143962043564362527313212604376244271926435579781895339368808118631226628481019026002825242204177115340138219958109286540421280309329086443881765526956807879039474456447792534797604700685523079015310395215478466559198971673153178808773452879795632636379290455328315434365169151002302757643366861185893047929145351899519
 . . . . . . . . . . . . . . . . . . . . [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)
							07eabe0b805578e000237c5d4db60e8cc707981a
 . . . . . . . . . . . . . . . . [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 'chabrybarna.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.chabrybarna.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c03ef577f000004030047304502203f499fb963dde4915d077f881f734fbd3c86ee426f6f314301854ab5edbd6bd9022100f7896805829650e01e97a3b080cb5bf4291aadf66cfea2484c34f05198e75de90076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c03ef578500000403004730450221008f43ea794acce1c65cdf7ec2329c3ebc69e24fdf7042e6379339a91fbd06f893022014539fb378a0f85790323f850475644cfd1656d580568201965bb579dfc1e5fc
 . . . . [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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