www.codeplus.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:6a:50:c6:84:3c:e0:91:c3:1b:14:6b:b3:51:1a:09:a7:97 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=www.codeplus.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6a:50:c6:84:3c:e0:91:c3:1b:14:6b:b3:51:1a:09:a7:97
Serial Number (int): 297514157685442258523373339848170671810455
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 56:8c:d8:33:c3:44:81:88:b4:56:59:72:49:cd:6d:73:de:bf:48:3c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4f:07:12:d8:cf:00:6e:66:17:9d:71:ea:f3:89:53:15:ac:2c:c4:2b
Fingerprint (sha256): f2:8d:8d:29:dc:12:ed:c5:c9:9e:ff:fa:4d:50:db:c0:0b:4d:ff:23:4f:3f:4f:88:a0:6d:70:9c:23:51:00:46

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

Revocation information

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

Check the revocation status for certificate www.codeplus.cz

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.codeplus.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

codeplus.cz
iot.codeplus.cz
khreality.codeplus.cz
knihovna.codeplus.cz
trucker.codeplus.cz
www.codeplus.cz

Other certificates including the domain name codeplus.cz

(limited to 100 certificates)
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3sqYuugB68e/avgESGxy
rHQf8SxmOgABXKC5Q2LFIoDx1GEs//iOHhrIKp/IR1x5rQ+9Axrj9KYN3+T8Lzwr
OxpysKOhxOT9WdKNlddFb2wOejrm8mybXNcYpWHM0xTfzo6u0lXPVOTgHyfChhxJ
H5VV0KfOcbSdAwLb3gW4beZJjmZ4Pb1lMTlMJZPaY2UrXw+TdmJc0yBqBZAmqGCp
5UTqZP8ZiaTId/se/4IPaUXX4GLRjHnihjpl4xh6AkHpVwjPi3+rtgBEeSGxISFJ
XqPzvSRB1010whNSrKjLL+LP2tZhUxtNX+/qugkzoX1gx/DbKuHFan3cX1yWsTaL
RQIDAQAB
-----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 297514157685442258523373339848170671810455
 . . . . . . . . [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 2023-08-05 22:47:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-03 22:47:04 +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 'www.codeplus.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 28124807810370304389074660435471807103032703193661636913664413186835985910134936045984944325062780792682693277206500976747002453611165556313790826649196438309923724426006537787602109981158343510154353736466420366908166588885025180885587207711459134186169488402557460126098346540817441317476160220327874767869183171865995546836862614581476159494056945315895615741727378197003259575833598398530369081709057733168546575661726220795019257520069756361872556829277126724401190249986694069879837421329674390864533692783625582916971755535818081635132890202425894430820979266065816579318601851040498604307671653520977350265669
 . . . . . . . . . . . . . . . . . . . . [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)
							568cd833c3448188b456597249cd6d73debf483c
 . . . . . . . . . . . . . . . . [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 (115 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iot.codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'khreality.codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knihovna.codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'trucker.codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.codeplus.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189c818f30500000403004630440220198effe401f22ed7ac1d5b5a828f060fee083ab68ee564101b0c5fe81802dc23022076954778d51887fe0cee03a9abeb8c18c2381a3d203fc1c65fce71215ec9ad4b007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189c818f4e0000004030046304402203cde9af9043006191179092f8118bbb17b6b21091769eff899fd5500ca787d72022060cccef6426ccffedb95c652ea76752128e995241a6d1960ef1544458afbb1e7
 . . . . [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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