eru.gov.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:6e:26:22:99:57:01:9c:55:57:f2:5b:a4:3f:07:0f:4c:b8 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=eru.gov.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6e:26:22:99:57:01:9c:55:57:f2:5b:a4:3f:07:0f:4c:b8
Serial Number (int): 385930894400379252532684254505481989475512
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9a:7f:df:c6:49:3b:fb:e1:7f:f5:2a:73:32:91:92:56:15:d1:07:d3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 55:a0:d5:5f:70:cf:da:3f:ac:f4:0f:1b:5f:e6:d2:37:7c:ed:81:05
Fingerprint (sha256): 04:5b:a6:e5:93:df:de:5c:da:a5:4f:60:b7:ea:40:ba:9b:79:36:0d:9d:69:08:8b:25:34:21:21:9a:d0:8a:29

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

Revocation information

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

Check the revocation status for certificate eru.gov.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for eru.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

eru.gov.cz
www.eru.gov.cz

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twist-gp.kraj-jihocesky.gov.cz
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www.gov.cz
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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
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zony.kraj-jihocesky.gov.cz
*.kraj-jihocesky.gov.cz
spektrum.ctu.gov.cz
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razr-pub.egon.gov.cz
testrs.gov.cz
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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 eru.gov.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9mFMLacK4p1IkVMqQ/pn
Ay+ksG3SwJx0XCV2Wx6isPckq2/mGeDxuzS5rFmoV5Nq2qgL0JsPei/CLc9iO1JA
OLWlQEXzXKUTkIYXNofQlDfWlWUsEwLLoLqiBRAoyOAfT2fq8MLnrltpIyjsHuyI
xziPwcRnvfHTUCK2KSpjmat862Os0AUqI+Dz2hncITeRpi1JomvLxIYNNC5oxXHx
n0kB+Yvv7W+HCyNPwhDRj3cZ0Nicfysi5HLmcCbzqV5FtW9GQhJL+z0VziqJuw3M
mNt1WEhHmWXLbDrT2PF+OJ46qLTGArvF+91NvA/HcX1D8gO2A7uXjO5fl7FoDmlS
VQIDAQAB
-----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 385930894400379252532684254505481989475512
 . . . . . . . . [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 2023-11-28 06:10:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 06:10:49 +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 'eru.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 31102602242417422877926662809956723554289228245779866300180040255170647421611413128516251283461603361342728675376903860204901452375373630455431732674529131205941512313946870295272719211827141236473324302269111151497668978854865964006792679167936549811449434906883063722343239645678180527071747522560901257487386211905560688830027980676618727373869834495916624316503698799784990248034655158571012663294653165318443478061648640144559781118804976707851003798639751260298189409902475681840825780950838690724245355107224144440802929679903756046530839230003124770233813376315535888433194566448332860736659086500909239849557
 . . . . . . . . . . . . . . . . . . . . [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)
							9a7fdfc6493bfbe17ff52a733291925615d107d3
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eru.gov.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.eru.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c14c42f880000040300473045022100b8b8144c66a6da51be6b982a083d92efb4d5e3f12d37ee7b8561d0aac869842702201b8b7b931ae64a1e0004076bd0f121108754618ca68bf4050da8d88fabffb0310075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c14c42f85000004030046304402207607bfe88b3807557f3b32e51dc41ccd633250f036af85510f039b6b939d3f6502205b40726546ad66ecfb6ae3cec805ec0b309af4ea96fc4d3e218ede8a5bb7b158
 . . . . [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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