joomla.tkf.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:bf:ea:b3:41:2f:7a:a7:53:b9:9c:80:06:67:a6:33:b5:21 was issued on by Let's Encrypt.

With 9 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=joomla.tkf.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bf:ea:b3:41:2f:7a:a7:53:b9:9c:80:06:67:a6:33:b5:21
Serial Number (int): 413755045903209888489124569757797401736481
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 30:5f:21:06:39:44:8f:45:bb:da:54:26:1a:38:14:83:28:4b:a1:6a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 46:6b:86:df:3b:c0:c5:26:15:c0:13:f8:b2:70:eb:5a:2f:5e:60:58
Fingerprint (sha256): a0:82:9b:66:ef:49:3f:9c:47:5d:c5:97:27:11:4f:99:c9:59:b5:63:62:2f:a0:48:62:b2:bd:f7:0d:b1:5e:f7

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

Revocation information

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

Check the revocation status for certificate joomla.tkf.cz

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for joomla.tkf.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

joomla.tkf.cz
tkf.cz
tkfeventpartner.com
tkfeventpartner.eu
varma.cz
www.tkf.cz
www.tkfeventpartner.com
www.tkfeventpartner.eu
www.varma.cz

Other certificates including the domain name tkf.cz

(limited to 100 certificates)
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
vpn.tkf.cz
joomla.tkf.cz
mail.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
mail.tkf.cz
joomla.tkf.cz
mail.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
vpn.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
mail.tkf.cz
joomla.tkf.cz
joomla.tkf.cz
joomla.tkf.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqwn4nq5mAfp2uvbjeC8G
nBSpcEN3P8NJ3A71W7lQLt7VxApaCCrQ4eEReRMVDG9UdD09z8QHOzPzSpCXO0wS
HyslzyANpVJy6M/2/+f+F+sLs7eN8vCqvuRyP7suvOWdr5khwgtRlFuS/LwJmftw
Q2R52P4V+BDY/LrhyLgzsy28eSr4zFLhT31x46lZv8YtGx5zcxEJAXmiZx/CsY6M
WuZnYvXiObJ1QMuI4EEooEMLDAVHzKSqSIlWNPINC9mFC2Xievo4w1xozuWlxoY1
vLq4Z77/4j7WN7Q3NUJQ0WDADLP/T6DP/7u8vxtOpuC0qhHjjKhWvbLcMbRv9jcn
qwIDAQAB
-----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 413755045903209888489124569757797401736481
 . . . . . . . . [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 2023-11-25 23:58:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 23:58:11 +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 'joomla.tkf.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 21591667117013882863951450012913887697108312387253827564323129909445322689239464675534440763723135892814119467445157695318248660825072648540936220585737844778048496277761916575428463952942596082369592233988316138331060515629686210268587689776033988406508084492011605574115654361905866559190452459602475941602970893839468582551035762802835248335303913010949525857157099642697870350960331188593111431294726089605686727856055373859233894422848909268381665139647012039683817829361614240620643796630376159525077261702961958527468916526824942125228612087217495457470420614222029303971912561486100557740549563148144842581931
 . . . . . . . . . . . . . . . . . . . . [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)
							305f210639448f45bbda54261a381483284ba16a
 . . . . . . . . . . . . . . . . [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 (152 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'joomla.tkf.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tkf.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tkfeventpartner.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tkfeventpartner.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'varma.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tkf.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tkfeventpartner.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tkfeventpartner.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.varma.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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c092250640000040300463044022075b5683498f967ba26fb146e3344cd7d02db9530568c85ce168ba565be2a5d4902202f2c2e676ae342378a60b8ad1216c0a043339dabad37675d052ab0d60b029e9600770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c092250c10000040300483046022100a46162dafb4a1019eee2f33bcabfb265e60092a70e449f4fc876dd2842a9ff1f022100ff3465d8c88c1954b075b545edfb99017ad7959fb584379a31340a00e106a98c
 . . . . [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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