www.codeplus.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a2:21:cd:0f:1e:d8:40:b7:54:27:12:95:8b:5b:5c:a3:71 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:a2:21:cd:0f:1e:d8:40:b7:54:27:12:95:8b:5b:5c:a3:71
Serial Number (int): 316507530487869588813730319998887502062449
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a8:ac:df:26:97:06:0a:b8:28:a8:fd:30:58:bf:06:4f:20:5b:4f:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 24:89:39:4b:a4:d7:b7:42:ac:63:10:cc:54:58:da:7e:82:47:9f:d6
Fingerprint (sha256): ba:da:d8:ff:d9:8b:63:ad:08:8e:76:6f:d0:cd:e8:a8:83:2d:24:eb:7a:11:d2:de:f4:72:5b:18:5d:50:86:60

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.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

apartman.codeplus.cz
codeplus.cz
iot.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0TvZuNlQpqyopkrGsL1p
2ozJ0uDnYyOzkGcmRnpMdxLg0zDviTe7S5Bux53G0gTEBShBA1T9gdRoBVbBszCc
Y6tGg3mcvpizcKpmYw+Zeis+fU+YyApw1pri7tR91pMtdUEeSJkDBACA31ZXiZ6q
9SmMYehDc6b6FDzAFciUj1PGd43EQu3tINnRD5th44H77QnzakquYaAhQJnprxIT
d0+q67uC+93H17STcqDvRDsGJM9GCtA9YBcleiUj16W90QrjwF+KET3xvP/E4X96
4Q3Jk3HJhpFYIe/YyNsgTAPdwZXgkv2JeK/sv+gJMn0og62cBwOfknsAXbug02HV
xQIDAQAB
-----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 316507530487869588813730319998887502062449
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 01:13:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-15 01:13:10 +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 26413319108004646895551691138352219530346538358897344679452449742922365579267370473713996221880276323397524677553448227749190875172061219139072583884848042154321936677669391179396791954951994553201037099605814603449206454016789308772399085363640625014164819511952740079981206503466591959003033709937125014582987675991595110830480532833003120757700795328431312130993987697709363328810373001814366047664799804441199286180699232063556070750692477326053827313531768527990731624265612128178839886592380488064976514749727779990666366636458782278125110127523806670402598894410186487170184485158562846379213943966127678936517
 . . . . . . . . . . . . . . . . . . . . [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)
							a8acdf2697060ab828a8fd3058bf064f205b4fb6
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (114 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'apartman.codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'codeplus.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iot.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 (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)
							00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170e644262d00000403004630440220648877178005b9eaeb983d18e954adb37089731749a41b41e6ee7b254d2280b8022061e8bfff8d8a70f53089516c0b30285fd71c975795d87abfb50ace145408fc450076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170e64426b600000403004730450221008219694c125cec707291f5c01011cb6b659308a6b7d74d3c4eaced616e6ce63802201405a7a3b4f1bfb8b63a31ab8da4a91f256c5f30b4fb01dbea98b1c1331da054
 . . . . [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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