DV SSL/TLS Certificate for zuszbraslav.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the zuszbraslav.cz DV SSL/TLS Certificate

This certificate with serial number 06:bf:1f:cc:7c:59:e8:1d:57:1a:42:7d:93:ba:86:68:47:44 for zuszbraslav.cz was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for zuszbraslav.cz provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:bf:1f:cc:7c:59:e8:1d:57:1a:42:7d:93:ba:86:68:47:44
Serial Number (int): 587709915491031133207178455273841841686340
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 98:3a:c1:a4:ff:ed:60:2c:d9:7c:0d:9b:a1:0d:c4:ba:6d:47:30:7a
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 13:9b:56:b7:0f:ad:d9:9a:c1:56:d0:ff:fd:6e:01:e6:51:43:88:0d
Fingerprint (SHA-256): 2b:bb:62:0f:51:ec:d7:ae:98:e7:e0:d8:81:4e:ae:e9:b7:87:02:ab:fa:0d:02:34:07:ae:8b:60:dd:f7:04:3d

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/69.crl

Check the revocation status for certificate zuszbraslav.cz
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for zuszbraslav.cz

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for zuszbraslav.cz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFDDCCA/SgAwIBAgISBr8fzHxZ6B1XGkJ9k7qGaEdEMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTAwHhcNMjUwNjI4MDEyMjM2WhcNMjUwOTI2MDEyMjM1WjAZMRcwFQYDVQQD
Ew56dXN6YnJhc2xhdi5jejCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
AL4VQKKcZSB+EY6dV2kwkeIn1sKhb7Nj8D62RnHHEdzMwoR0AP7l51kGakL3Ky6P
cMBmVjWn8Sp62eaG8P3ExlroaEnJkH8iULXysQZzn5GXS5pPii0lPsvRaAyVQoJj
aDzbleGTzZn1BrZiV/euiWhWZIzqne9Jju9KY0YHdeup/kSxPSQSHNnRBlWpEZTl
jRBNhKAhCsKweOh33mstR9Y1VIxneyoQ+hbiBNAMVrDvRc0He2Dy50KsacAECmea
8pgeRaYAn+BSCM5zspr1jjCqjnbjXq5XfZhj9ibDNnYPvoNVCSKoBjsxAaP0c2+G
keaLyGLt1a/wkcIur7h9iqECAwEAAaOCAjIwggIuMA4GA1UdDwEB/wQEAwIFoDAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV
HQ4EFgQUmDrBpP/tYCzZfA2boQ3Eum1HMHowHwYDVR0jBBgwFoAUu7zDR6XkvKnG
w6RyDBCNojXhyOgwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRwOi8v
cjEwLmkubGVuY3Iub3JnLzAtBgNVHREEJjAkghJ3d3cuenVzemJyYXNsYXYuY3qC
Dnp1c3picmFzbGF2LmN6MBMGA1UdIAQMMAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUw
I6AhoB+GHWh0dHA6Ly9yMTAuYy5sZW5jci5vcmcvNjkuY3JsMIIBBAYKKwYBBAHW
eQIEAgSB9QSB8gDwAHYA7TxL1ugGwqSiAFfbyyTiOAHfUS/txIbFcA8g3bc+P+AA
AAGXtFakNAAABAMARzBFAiAIdBuvF7sNsgBODeyX5HSYzHr77AaQoMU8amOaH9Ez
ywIhAJ/JtzqiT0Appf8hAg4L0VK5cf4DDE0xNCv3PDhdKZwjAHYADeHyMCvTDcFA
YhIJ6lUu/Ed0fLHX6TDvDkIetH5OqjQAAAGXtFar6AAABAMARzBFAiEAv8cnZ/5I
d5ErNCC0HkXRP5vxehV0UURSRzy9Op/5qfsCIBxZBT+wcC0Sf9qcgw5HalLzupI9
PQggxFOKv445n+DBMA0GCSqGSIb3DQEBCwUAA4IBAQALzJ4x/0he/Ej+YanCZFE6
oD1dF16zyRAQo7VNJhBpopqWBOz9pnHftMRGH9AA1ZN1caKjgQrYtdi6Y1NJ1jea
oMaBTTIlMVWhhnQ+WqiUzwkr7z/hnN7UxerWHSz7jCrpXSKymF/JacPd/zxa4Mdy
EbE12jHLLxirgWUDKJdrIYLNf2HgOGUq6qHCIzTiTJTBMgnkumtsC6YFtZr0gae8
2t6GtJoToVrqetede4dhNJBvZO8DpxFza7Hmqmf5apSuaAIK8ETbXYPNHXYSz2uQ
emTcKWxtyvPTa3bPS2xjJ2rSs5lzkUxAiPrwdhZ5BeDWxNi5jbuGnLlbZTX+LRYT
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvhVAopxlIH4Rjp1XaTCR
4ifWwqFvs2PwPrZGcccR3MzChHQA/uXnWQZqQvcrLo9wwGZWNafxKnrZ5obw/cTG
WuhoScmQfyJQtfKxBnOfkZdLmk+KLSU+y9FoDJVCgmNoPNuV4ZPNmfUGtmJX966J
aFZkjOqd70mO70pjRgd166n+RLE9JBIc2dEGVakRlOWNEE2EoCEKwrB46Hfeay1H
1jVUjGd7KhD6FuIE0AxWsO9FzQd7YPLnQqxpwAQKZ5rymB5FpgCf4FIIznOymvWO
MKqOduNerld9mGP2JsM2dg++g1UJIqgGOzEBo/Rzb4aR5ovIYu3Vr/CRwi6vuH2K
oQIDAQAB
-----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 587709915491031133207178455273841841686340
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-28 01:22:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-26 01:22:35 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'zuszbraslav.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
 . . . . . . . . . . . . . . . . [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 23995757932647934658139841978168405341550275054981967869812955796322480020617887366208438567866587125967140600865077794021953082157066492756912695393700368914269059942656984765577098174386460321853692983170091747064534610791430712736899876780252281031622773884309335275488023850520071602810809363783261250530707629761300015493053968411781238951200630323333650448790417336887958231659934046506594360939472160002607669000131854155644026336675111749428229342886943931307490212798262590957974376426894401384515878017357252358341910414249654638321586182325143213833195826648920712932813330861931927953149158132855689022113
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							983ac1a4ffed602cd97c0d9ba10dc4ba6d47307a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zuszbraslav.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zuszbraslav.cz'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/69.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197b456a4340000040300473045022008741baf17bb0db2004e0dec97e47498cc7afbec0690a0c53c6a639a1fd133cb0221009fc9b73aa24f4029a5ff21020e0bd152b971fe030c4d31342bf73c385d299c230076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197b456abe80000040300473045022100bfc72767fe4877912b3420b41e45d13f9bf17a1574514452473cbd3a9ff9a9fb02201c59053fb0702d127fda9c830e476a52f3ba923d3d0820c4538abf8e399fe0c1
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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