ov.gov.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:28:49:5d:58:80:c5:04:ef:74:61:42:4f:32:12:16:4b:68 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=ov.gov.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:28:49:5d:58:80:c5:04:ef:74:61:42:4f:32:12:16:4b:68
Serial Number (int): 275045670794472645512701449982257143368552
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ac:c7:a0:48:06:79:db:2a:c1:30:93:c1:4f:bf:98:f2:74:6d:3a:12
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:d7:b2:69:31:9a:a4:50:82:da:5f:16:92:98:33:ae:8f:92:a3:9a
Fingerprint (sha256): 07:1b:80:4e:4e:a2:0d:47:f8:93:c6:e6:87:53:21:19:56:3f:2a:d0:35:f8:45:0d:65:1e:23:57:1e:8f:b0:68

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

Revocation information

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

Check the revocation status for certificate ov.gov.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ov.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

ov.gov.cz

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digitalnicesko.gov.cz
zakony.gov.cz
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*.gov.cz
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data.kraj-jihocesky.gov.cz
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rpp-ais-test.egon.gov.cz
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 ov.gov.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7eNVuHT+6nGQ1cCnJ5Bv
GU9Yl2BbGFCTE5O0g7JvhhxQ9xCJj7N0r2eqsDiug8NkWgqVPutJu09k11mf5U3X
K4ylm1xKhub/y0h80C2hO2y3QWWqND23VlZuhNsrHUt6u7aoKjIz/GTAM6hGTS4N
tfnituars2uudSBVjHYXctdax1sEV9ytmz/LMo6lwxaa5hwGlThqeV4/A/PcEkfr
zQvr08Py4/4agWQewEU+yTGmNr/Wpn+sjiNODodfDrCPKV2stU5lhEjGi9tZ50CY
hNhSDI4pFbeQijfb6W8W3dnLESEW8jNj8tZfDFsOvr+9kg3jS92MbQ1Jp33J8NVd
KwIDAQAB
-----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 275045670794472645512701449982257143368552
 . . . . . . . . [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 2023-10-05 06:40:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-03 06:40:41 +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 'ov.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 30030581267575610260238138826692474425078454002334507761108546844075620307548101747087901451571355715134844677902095346668572929360520497416767880902128221950189913441318678371092235957270665193470637653359988149318089910338630238305168216395553606390337033917385201261759735107919200039771481185833311532072688128137167889248086105362230244062710953807515770082894703055943462041112497416865763232047808536921594793127202500268438779150700164084398917304185853977356192653353790504925423804529264297317186666093790839634586631209249082133982629455125989040031809001930798724202749637972576709552415208140435874995499
 . . . . . . . . . . . . . . . . . . . . [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)
							acc7a0480679db2ac13093c14fbf98f2746d3a12
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ov.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018afec81fc1000004030047304502200eb776dee1062c99d711c4f84576f3ef7cdf84f6498ec957f1437a4bd8b1bbaa022100a03b268d17dae4b588ce8f7bb0a5356bb4b421dd3241a2e1ccbe6ef23e86c132007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018afec81fac0000040300473045022100d0eba6efbd18f75879423c15eb6fb0c96d041b0a51564d18ca784718d3a9714002200aa470e895490b094b9925dd11a104cd6ca9eb46852bfac1132066bfdd2ccec5
 . . . . [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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