druhotnasurovina.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:9d:df:83:0c:21:b3:d3:56:90:1f:14:94:c6:3c:fe:6d:45 was issued on by Let's Encrypt.

With 6 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=druhotnasurovina.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9d:df:83:0c:21:b3:d3:56:90:1f:14:94:c6:3c:fe:6d:45
Serial Number (int): 315058287681875680921377214277756326407493
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9d:82:61:57:b3:43:b3:f3:1b:e2:53:6e:6a:cf:68:da:a2:db:f7:28
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2f:6b:89:8f:01:77:a2:05:1b:97:75:09:8f:fa:fe:a2:fd:4d:a5:78
Fingerprint (sha256): 48:0d:56:4e:2a:0c:71:9b:9e:78:74:ec:43:41:63:7b:4a:fd:88:7f:8b:03:69:22:e1:b5:f1:65:44:d8:82:c6

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

Revocation information

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

Check the revocation status for certificate druhotnasurovina.cz

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for druhotnasurovina.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

druhotnasurovina.cz
druhotnasurovina.czechinvest.org
druhotnasurovina.mpo.cz
www.druhotnasurovina.cz
www.druhotnasurovina.czechinvest.org
www.druhotnasurovina.mpo.cz

Other certificates including the domain name druhotnasurovina.cz

(limited to 100 certificates)
druhotnasurovina.mpo.cz
druhotnasurovina.mpo.cz
druhotnasurovina.cz
druhotnasurovina.mpo.cz
druhotnasurovina.mpo.cz
druhotnasurovina.cz
druhotnasurovina.mpo.cz
druhotnasurovina.cz
druhotnasurovina.mpo.cz
druhotnasurovina.mpo.cz
druhotnasurovina.cz
druhotnasurovina.cz
druhotnasurovina.cz
druhotnasurovina.cz
druhotnasurovina.cz
druhotnasurovina.cz
druhotnasurovina.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJDkkx4ZeAqxNrCe9TIq
8LtD9WuNjvRvb3THfCuQ+AS8dCnZUMAa4Htuaxh5lqydvX1viFHKQ7aqAve3JDtV
7HqQkYES/5vL0/0U9F7doSF+v36SOaMLv6+j+VDmTJCdhV1l5JsyFn5DXRfyRW3w
3yJdlsZtH3u3kemS8IE0bXtYpjn/3clMzeKhYj8BW8h/FC6dVJlGG4RQjkpvLfdP
kNcb842AlaO09YFZWtyIdmsMBoXsYCiYlIX4GAUJSRjxXyZaJ7CxWasJzq+7LiAq
S5jzDegNtpNCQfBY8491YxBe3V09veyQhj6S8hiGcolQUAjovZYQebQqqcbr/hJD
iwIDAQAB
-----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 315058287681875680921377214277756326407493
 . . . . . . . . [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 2023-01-03 09:49:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-03 09:49:30 +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 'druhotnasurovina.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 19764624911774567592441735870004992002551910497528386953781443636184035491636852865253753653195432678928239236965890007284306331029630283585405305698641658920033418360469264773144633821393995497223729301697602530341416539699092007099118107713595345422717562319579968605216644910937762310721784474876406656976989817525550741298627498660898619175569566819150588607110974049718611921198355101703955402923788579990866670567075089843827310241891010703361841399575623540283610516026877679094258882942518032085726180497128739001046414669524947280223242155217702013332708850511568520103477864456789646414063054067429742363531
 . . . . . . . . . . . . . . . . . . . . [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)
							9d826157b343b3f31be2536e6acf68daa2dbf728
 . . . . . . . . . . . . . . . . [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 (175 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'druhotnasurovina.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'druhotnasurovina.czechinvest.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'druhotnasurovina.mpo.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.druhotnasurovina.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.druhotnasurovina.czechinvest.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.druhotnasurovina.mpo.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018577402c620000040300473045022100dd71b548698fb76179f35d51084a07e2db794f68df500e3ad7d94b837b47bb5002202e6b6fef21a8b33b17ce19f39a47fc6c6c7359bec040d99eb0ca67516cf4d6b7007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018577402ccd000004030046304402200915f96114065c2282e15938314e9bf67292dc264bd573daaf710a46ce9972850220261ad859cd368b6e90012fb86ff2f39ccfc134deeed0e79526209d09bde02dd5
 . . . . [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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