vyzkum.gov.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:b0:77:fb:29:d8:48:fb:27:2c:ed:e3:25:b0:16:42:e2:f7 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=vyzkum.gov.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b0:77:fb:29:d8:48:fb:27:2c:ed:e3:25:b0:16:42:e2:f7
Serial Number (int): 408498322551850716785548378688991984280311
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 69:a1:be:7e:02:fd:66:72:f5:30:e8:3d:0b:01:4c:ab:13:c8:13:46
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0f:19:8e:64:05:2c:fa:8a:a2:01:da:c7:95:08:80:6a:d8:3d:c7:5e
Fingerprint (sha256): 11:d6:48:e0:94:b8:80:96:2f:ea:b5:bf:68:2a:bc:0a:6c:f5:53:0a:64:5a:0b:eb:b2:9c:86:96:5f:f7:b9:57

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

Revocation information

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

Check the revocation status for certificate vyzkum.gov.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for vyzkum.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

vyzkum.gov.cz

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museion.kraj-jihocesky.gov.cz
prod.frs.gov.cz
tsl.gov.cz
isnipi.gov.cz
testrs.gov.cz
vea801.gov.cz
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www.snsu.cz
tsl.gov.cz
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viap1p.ros-iais.egon.gov.cz
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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0r1daL1RXvrgtEUzi2Vo
FnWZqhL7vSHb1yCMDBHuGTqD4nm5L8wSKaJv363WU1NIZjwt26bLcgCBl1QbRmu9
i3RD9fCX7OZCh+qgxLEiJGuhJCr+2ed/XtJhFOR+B6rKeo2HZ8qOLKagkKHIFGFY
2LcGk3CdHwEk7KcLZr3P5dweU97lF9YoFVGNBwZGdMtmNmIaryBVxO5jZyyI2MyZ
6DCFoknIgefZNgl/Uoy0UG/6favNkAKcn/IS/wmwrRVhFcpE4uaYxVMj9aMJF5I5
EOE/DeXFI+bFejJHi2rY2ThXQZznXaYXCVMwWLCVeooveRPXFm0KQs5OWW+LGuqB
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 408498322551850716785548378688991984280311
 . . . . . . . . [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 2024-02-16 13:55:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-16 13:55:19 +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 'vyzkum.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 26603423345222520279838368957709015741633794284441717382326397859784275373231310694604726862337341526554115779978042087970283537502782517507985132568719426068718542536202668195438320354089739336611392204736919256876438090968756047413116575940562624256097348618231765597188294940834450794233770363386496899802657809503094548217259009677926960261132266234005444293627801917796159206983071548172717258944046881988225706689069877276579941061523772262313541214513852837220866027184110972402842827774029666106696573514831504888093829730759909582739735111077522890301356632721373052524248168280455891296018866646653805953499
 . . . . . . . . . . . . . . . . . . . . [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)
							69a1be7e02fd6672f530e83d0b014cab13c81346
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vyzkum.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)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018db26a33ea0000040300473045022100e43a759de84686712fab6b236820058a3d22b68b9dd986c033713430db32354b02203e8e395c9fd8a72f03bab3b3ec4e32dbd1f46b34ae74249ba540de07272332490075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018db26a33f0000004030046304402205c0c490c3923aceff3d6bc6ade69e2915542dc6417c93c17a160189b05e2375502205f97580898edfb37c61caa9ef36d37bc925d83d889648bb97ae2945d84b92b1e
 . . . . [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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