www.chabrybarna.cz
Issued by R3
About this certificate
This digital certificate with serial number 03:d6:94:d0:83:32:bf:15:48:2e:d1:b3:ef:ae:91:21:ea:c0 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): 03:d6:94:d0:83:32:bf:15:48:2e:d1:b3:ef:ae:91:21:ea:c0Serial Number (int): 334355092718500517483644541196973461596864
Serial Number lenght: 138 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): 91:6d:10:94:07:20:cb:00:9c:b3:64:fc:e0:8b:7a:03:f7:24:35:bc
Fingerprint (sha256): 4a:e8:26:3c:15:61:62:ef:d7:5f:58:36:26:91:4e:65:5a:e8:97:0f:87:13:9e:4c:f5:ef:b3:75:8a:d9:0e:98
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck 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
www.chabrybarna.cz
Other certificates including the domain name chabrybarna.cz
(limited to 100 certificates)
www.chabrybarna.cz
www.chabrybarna.cz
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www.chabrybarna.cz
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www.chabrybarna.cz
www.chabrybarna.cz
www.chabrybarna.cz
www.chabrybarna.cz
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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----- MIIFADCCA+igAwIBAgISA9aU0IMyvxVILtGz766RIerAMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA5MjYyMjM4MzlaFw0yMzEyMjUyMjM4MzhaMB0xGzAZBgNVBAMT End3dy5jaGFicnliYXJuYS5jejCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAOaxb5rvCGDvmOfLK2ZoclgJX5Wzmf0FVOdA6Ms3G4Rdg+1mNYhRL6QJm7/H /xkIr25RObaW8/I7opz0Nlzgn0aGMWMSwyAOeTIaJ7TmenI95+jUKEG4atwhmjCU /81L/jKTaeExJh9XSRmk1OU7NJPpEEJWPll8SrARskm8FBhL8FJCTE59Q+MmwwTS PZu+Cqj5r85rXmaiAOD7Xa0VnYGwdloMSfHsKgZsPqaH6mrjvfsQgOxndFjhxR1J j+GHj6u1r3Q5o2VcsSg74paDaKcKEr62MFipU/AV2E2k/Y2pkUem0aA+Znwxl8z2 M+f8MkHFTir32jSpH3b0FXmKiX8CAwEAAaOCAiMwggIfMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUB+q+C4BVeOAAI3xdTbYOjMcHmBowHwYDVR0jBBgwFoAUFC6zF7dY VsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRw Oi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNy Lm9yZy8wLQYDVR0RBCYwJIIOY2hhYnJ5YmFybmEuY3qCEnd3dy5jaGFicnliYXJu YS5jejATBgNVHSAEDDAKMAgGBmeBDAECATCCAQMGCisGAQQB1nkCBAIEgfQEgfEA 7wB2AHoyjFTYty22IOo44FIe6YQWcDIThU070ivBOlejUutSAAABitPb6v0AAAQD AEcwRQIgbN80aRDmFwzI3XopB+SJl/F/VINk3T45Y7lr7Sf2B38CIQCysKAQ3c08 z4lfqy0/17OFutbG1fhkbENmuqJbUInhDgB1AOg+0No+9QY1MudXKLyJa8kD08vR EWvs62nhd31tBr1uAAABitPb6ukAAAQDAEYwRAIgE1oorC2JCIxX0tP98c3sKHid cSJEjm6BQw51KhKLjLACIBOvFtLHPAH6xEF/hh8LQa84fzv2dfjIU541vACzpIl/ MA0GCSqGSIb3DQEBCwUAA4IBAQBXF3JlWfD7Pe2mPHUdcggQ6jckLlP9eX4whYNz fwsPsE1g7dM2hCkR2vSRKdncVulEmw7nwabU6q7aTBqX0x2LXGU1YjMzekJAyT1j /2NZTNELnotf3cbGxvrbFZqLEwboe3KUFPVXHaGqAIB8A/GHq+keMCy0wd9Rb8Tg CjcRjlWHML09U7QztPiOIGrb41Ms2fSIKG8e+1NWOFBI+aSjXGOTmpy4T7pPj99B YuIH79t43vSzTf2U+rO1EA3mmVtn6wXdlnTDUCsmLuzVatHBRMsNvqDLhyPhPowB RalQSxG4mhkFL3YBBbcBWoAum541PFIaNA/7XdNG8yi/0/Nr -----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 334355092718500517483644541196973461596864 . . . . . . . . [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 2023-09-26 22:38:39 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-25 22:38:38 +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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ad3dbeafd000004030047304502206cdf346910e6170cc8dd7a2907e48997f17f548364dd3e3963b96bed27f6077f022100b2b0a010ddcd3ccf895fab2d3fd7b385bad6c6d5f8646c4366baa25b5089e10e007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018ad3dbeae900000403004630440220135a28ac2d89088c57d2d3fdf1cdec28789d7122448e6e81430e752a128b8cb0022013af16d2c73c01fac4417f861f0b41af387f3bf675f8c8539e35bc00b3a4897f . . . . [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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