czechtourism.gov.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:c0:03:b9:5c:43:2f:01:57:2e:3d:85:fc:54:32:98:10:1e was issued on by Let's Encrypt.

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=czechtourism.gov.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c0:03:b9:5c:43:2f:01:57:2e:3d:85:fc:54:32:98:10:1e
Serial Number (int): 326676022374311626456065292616169577517086
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:cc:f3:4e:79:13:ac:d9:b7:34:c0:c7:bc:1b:c0:7f:97:da:4e:60
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:ac:61:4f:4b:0a:75:1b:36:6a:d6:c9:7f:23:81:a8:4d:b7:27:f8
Fingerprint (sha256): 22:b9:6c:a3:e7:f1:81:d3:ec:a5:9f:0d:9c:7b:f7:11:8f:f1:ca:06:fa:68:cf:63:c1:08:53:91:e3:76:03:0d

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

Revocation information

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

Check the revocation status for certificate czechtourism.gov.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for czechtourism.gov.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

czechtourism.gov.cz

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twist-gp.kraj-jihocesky.gov.cz
mids.gov.cz
zony.kraj-jihocesky.gov.cz
www.gov.cz
code.gov.cz
viap1p.ros-iais.egon.gov.cz
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desu.gov.cz
viap1t.ros-iais.egon.gov.cz
biap1t.ros-iais.egon.gov.cz
opendata.gov.cz
ext-mattermost.nic.cz
ria.gov.cz
admin.gov.cz
rrtv.gov.cz
*.szpi.gov.cz
covid.gov.cz
www.gov.cz
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zony.kraj-jihocesky.gov.cz
*.kraj-jihocesky.gov.cz
spektrum.ctu.gov.cz
vyzkum.gov.cz
razr-pub.egon.gov.cz
testrs.gov.cz
ra.gov.cz
mids.gov.cz
archi.gov.cz
zds.kraj-jihocesky.gov.cz
nap.gov.cz
rpp-opendata-test.egon.gov.cz
cms.gov.cz
opendata.gov.cz
rpp-aism.egon.gov.cz
museion.kraj-jihocesky.gov.cz
prod.frs.gov.cz
tsl.gov.cz
isnipi.gov.cz
testrs.gov.cz
vea801.gov.cz
rpp-ais.egon.gov.cz
www.snsu.cz
tsl.gov.cz
uohs.cz
registrace.udh.gov.cz
gov.cz
admin.pruvodcepripojenim.gov.cz
vyzkum.gov.cz
smlouvy.gov.cz
rpp-aism-pub.egon.gov.cz
brvpn.ros.egon.gov.cz
uzsvm.cz
scitani.gov.cz
eru.gov.cz
mids.gov.cz
obcan.portal.gov.cz
upv.gov.cz
voda.gov.cz
code.gov.cz
ares.gov.cz
chciidentitu.gov.cz
biap1t.ros-iais.egon.gov.cz
viap1p.ros-iais.egon.gov.cz
czechtourism.gov.cz
anonymizace.gov.cz
*.kraj-jihocesky.gov.cz
mk.gov.cz
isdv.upv.gov.cz

Certificate

The complete raw certificate details for czechtourism.gov.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwzm6XLCIl/BkX2DVgd3R
sdudcVVkC4eKPZFOBg8jKWK4VkKzsZ3xNjZAsV+XjJE8b5er4dN6DNb7lp7y2UpA
DmPptTI/3hsvINkYKj0dwQskcZs8q35JaPO6L12C4gNcsiGviAOiaJC8HRMre2XI
txQ3WZv0NCNZdYDsuOOWxKt244sF55308xQAwR4S70GG9A+BTV6REAyRSIwH8BUm
lFMZyt07wDsrzm9o/9djCw8yEiqyiOGEp/1CviasOLUMN9ldDXbeVOlf+hYwtWbR
L1uE2hi/KaanYC6Kg3NtkcpqIi/CfYJkH/xYlTSVIrZsd4xzK2WRS+ascWuf9lYn
aQIDAQAB
-----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 326676022374311626456065292616169577517086
 . . . . . . . . [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 2023-12-18 09:32:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 09:32:05 +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 'czechtourism.gov.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 24644936194726126314057760771733506727567101606372171959942330952391782025938386001223091025410673587108349424134970426633684945159229934478162106354929370054389030100972555880619853554860502336488513032358022775012926305461138710838107684355707435073524709106747592508166100138502131762053474587214076915348366679862951213921143414262682900844338697793981462973495467285538476729571428960584936619167433981374253706388030191049316754103655269327321964501373171868656822316016107932102853244800786358119091838912117400208816434311087676311689694485199857828835174367441360910155122409050518198388791156213930020710249
 . . . . . . . . . . . . . . . . . . . . [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)
							2cccf34e7913acd9b734c0c7bc1bc07f97da4e60
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'czechtourism.gov.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c7c7ba4640000040300483046022100c2f58e4c565f1ab6182eb63192c2c0553c211eba126045a90fe0ed200fd4bce1022100a3aa69727fe478484c95537167d559d28b14bfc2586d3bbda5477ff6a83689430076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c7c7ba4620000040300473045022100a3bad857844cc7a63e25fc4d7966f2024ae696ec14a139d60167821b3f0d7a2f0220286e128ae46b1f1add3252c031d8755be17ff9a2ba835fafd0a2e344dcc14af9
 . . . . [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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