www.chabrybarna.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:66:b7:1b:12:e0:3a:d0:a7:16:19:4f:00:48:d9:33:19:0f 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): 04:66:b7:1b:12:e0:3a:d0:a7:16:19:4f:00:48:d9:33:19:0f
Serial Number (int): 383401334451069213549955426778001293121807
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): fa:ef:ec:79:0e:9e:53:01:ae:b9:8f:81:4e:7e:91:6c:3e:0b:bb:2b
Fingerprint (sha256): 30:97:6f:43:bd:3e:8a:88:61:72:01:8c:26:6a:1b:1a:dd:2b:d2:de:8b:2a:f2:fb:b9:da:b9:61:e6:bd:3d:3d

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-----
MIIE/zCCA+egAwIBAgISBGa3GxLgOtCnFhlPAEjZMxkPMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMjMwMDE4NTRaFw0yNDA0MjIwMDE4NTNaMB0xGzAZBgNVBAMT
End3dy5jaGFicnliYXJuYS5jejCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
ggEBAOaxb5rvCGDvmOfLK2ZoclgJX5Wzmf0FVOdA6Ms3G4Rdg+1mNYhRL6QJm7/H
/xkIr25RObaW8/I7opz0Nlzgn0aGMWMSwyAOeTIaJ7TmenI95+jUKEG4atwhmjCU
/81L/jKTaeExJh9XSRmk1OU7NJPpEEJWPll8SrARskm8FBhL8FJCTE59Q+MmwwTS
PZu+Cqj5r85rXmaiAOD7Xa0VnYGwdloMSfHsKgZsPqaH6mrjvfsQgOxndFjhxR1J
j+GHj6u1r3Q5o2VcsSg74paDaKcKEr62MFipU/AV2E2k/Y2pkUem0aA+Znwxl8z2
M+f8MkHFTir32jSpH3b0FXmKiX8CAwEAAaOCAiIwggIeMA4GA1UdDwEB/wQEAwIF
oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd
BgNVHQ4EFgQUB+q+C4BVeOAAI3xdTbYOjMcHmBowHwYDVR0jBBgwFoAUFC6zF7dY
VsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRw
Oi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNy
Lm9yZy8wLQYDVR0RBCYwJIIOY2hhYnJ5YmFybmEuY3qCEnd3dy5jaGFicnliYXJu
YS5jejATBgNVHSAEDDAKMAgGBmeBDAECATCCAQIGCisGAQQB1nkCBAIEgfMEgfAA
7gB1AKLiv9Ye3i8vB6DWTm03p9xlQ7DGtS6i2reK+Jpt9RfYAAABjTPmHJwAAAQD
AEYwRAIgX4AEwUdHhnUBHQM5swXO4Wpal3GCAkL9ETPhAmG/ADgCIBTMzpfMUXVT
+8Ehkcgj7SIDdukiAq19t+Kr1QFTJYirAHUAO1N3dT4tuYBOizBbBv5AO2fYT8P0
x70ADS1yb+H61BcAAAGNM+YeagAABAMARjBEAiB59ZEcjHkpUYU2U3joGZ66Oe9B
cx+yplme2VLrT0LGVwIgER9yP2Y4xJTDbgvOpWDxb897OCAXxQDlfEvvbI6fEiIw
DQYJKoZIhvcNAQELBQADggEBAGYNeGXb+OSKhM+TqrhE1XBbkQGWL3zHo4lR3KXt
XcLKrZ9AYdWGtpWpCw6EnEZD9dcgsPKsKtdbdSDFTdU2Uuom/Bohx9f2ggielOqU
4kx/+NoOFO3Lucs4GJuruTQKj7fcZfma7PWTbPsyuUw4y1jZxPXtKUb9nkuZRBPK
LAthd9a/EUGskvMI9n5AUXXiKprck4TEl5NjLfi8w+VaQwInO4qgi/QLl0i3lZBz
fUi6jDgSYz0BuyVPfpz4tAXuXVawcEm04dTWUcy3ZpIjCBLTUv7r3iBldXI4g6lq
keWe4Vr6D0t5v4eS973E4TglrKKd+65HD/i0DMxIxaOEcyY=
-----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 383401334451069213549955426778001293121807
 . . . . . . . . [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 2024-01-23 00:18:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-22 00:18:53 +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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d33e61c9c000004030046304402205f8004c147478675011d0339b305cee16a5a9771820242fd1133e10261bf0038022014ccce97cc517553fbc12191c823ed220376e92202ad7db7e2abd501532588ab0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d33e61e6a0000040300463044022079f5911c8c79295185365378e8199eba39ef41731fb2a6599ed952eb4f42c6570220111f723f6638c494c36e0bcea560f16fcf7b382017c500e57c4bef6c8e9f1222
 . . . . [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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