eru.gov.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:e2:a5:ce:34:fd:5f:10:06:fa:1c:dc:9a:dd:d1:9c:ba:36 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 03:e2:a5:ce:34:fd:5f:10:06:fa:1c:dc:9a:dd:d1:9c:ba:36
Serial Number (int): 338461066026629646933804810929437706861110
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 84:0a:82:75:67:00:85:a0:a2:d7:0f:28:0d:b7:7f:e2:c0:48:fb:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9a:c5:ed:bb:f6:70:e1:14:38:e7:c0:60:4f:55:c6:0a:85:25:b6:98
Fingerprint (sha256): 1e:c3:68:73:ef:b5:95:d6:f4:21:1d:7c:8a:ac:6c:4c:72:ec:17:33:63:52:88:dc:96:bc:4d:a7:3f:e0:f2:af

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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pruvodce.udh.gov.cz
cms.gov.cz
ov.gov.cz
data.mvcr.gov.cz
portal.gov.cz
smlouvy.gov.cz
rpp-aism-pub-test.egon.gov.cz
cert-externalauthapi.caais-test-int.gov.cz
irop.gov.cz
data.gov.cz
upv.gov.cz
frs.gov.cz
digitalnicesko.gov.cz
zakony.gov.cz
vzdelavani.gov.cz
data.mvcr.gov.cz
slovnik.gov.cz
voda.gov.cz
*.gov.cz
geoportal.gov.cz
xn--slovnk-7va.gov.cz
data.kraj-jihocesky.gov.cz
testrs.gov.cz
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
vea801.gov.cz
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
vea801.gov.cz
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 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArXK97xvCXlUAlFVAIYMP
LYQEiwEamRTFgc1Hg6p1v3GPXUs/FtmQgUbMQMzrSlcfkqO2o+EGDfdauQb7lh6M
cyEsdS6wGbMyEl3c64wUyxCz9vdqoLUPkb4fcruG2xEHDERsDTZjYOYje3eum0jI
zmJrkcCNsEEfNlB2FsUuZ9/684AYOH5cw53XvBGVBXlzNSQ1f4tcU1lWCVOf2UsU
C8KecCfeXP/Dhi7GqqXfnA3r7ILExRkkF6QIUYyB5i70VD1gjhBNeHC7gKoa0B7G
HwTm9mK2nWgVuONbNgGrlWfgIe5v99dqZEALwTHwztZ4TlNoZ4WWyCwwxBCFCegl
2wIDAQAB
-----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 338461066026629646933804810929437706861110
 . . . . . . . . [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 2024-03-27 11:09:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-25 11:09:57 +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 21895808113506371174828585287583966189981569282788307830097774708859151793547720809186367504911671096747862526951441000614306081964312836442415993018148626598921620084801886815544688050598680839215200939404373187288484894555374111103768146038673730989313084453085177359215246890340954470173261961148225393013428032231107750734270065420174434130900291039553299489134072351592409408260277492634717933116912172562883392217617507857823915035367748481626629234355156983554234969526343659858013480485550902433246209130436269493674286166013027927968344088913674562323152918116171902240013608186980403292543223870205242910171
 . . . . . . . . . . . . . . . . . . . . [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)
							840a8275670085a0a2d70f280db77fe2c048fbff
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e7fd12ab90000040300483046022100912371582b8502129cd0f80aaad29557a20bc6e5f3ee5e60a69e3d72cd4640c5022100dc6ca54ca77d581a79c6ae07e30b2f3b492ff410d87f0abe0047f6cff62b3f84007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e7fd12ae2000004030047304502204cb564565d87cabe5e0d3a559d843317bd02f1340afa4b0a1a07f8a8f21e4e4d022100ede17cbd743a2e783dc6559bec8d65c5ea64439a200c1d4b3c76d9035e122a06
 . . . . [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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