www.codeplus.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a5:dc:52:c3:47:65:9a:43:59:76:df:d4:b8:5e:84:7f:44 was issued on by Let's Encrypt.

With 5 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:a5:dc:52:c3:47:65:9a:43:59:76:df:d4:b8:5e:84:7f:44
Serial Number (int): 317776308225377184488438443305221128224580
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:af:a2:fd:7d:0e:b7:f8:74:70:f9:d2:d6:bf:16:b0:b1:e6:16:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 56:5c:3a:73:b8:e0:a6:f1:73:98:06:b6:a4:4e:2b:51:14:70:43:f7
Fingerprint (sha256): 66:5f:5d:52:a1:9d:21:b7:64:db:e8:a8:99:1d:4c:d8:b7:76:d8:7e:22:dc:02:73:74:12:de:18:d2:6b:e4:79

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

5

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
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAylZHsGshuyPoMgc2NJAu
DnunowJENHRd3kmIPTrr8wGBu3ZL6NV6rp2mwsQN/VIob5AS0GHzoqoF6SPckUyk
v8EjU1wnank+D18649G0xMQzlPir6ZsxsDHJii0JW/54FXiEIF6JbnMpvraiXHbi
okukAqx1WhIxwYyWAFHoZE53LtfULL60UFX1dLDP1y/zEFiqzhB8VS4X3biqu4WG
ukTkfrLr3jQV8IvrE+NJaUCDebTm8gQrqIAeIEZ52GfuSXZ0b1FXetNRjQBQ6ktE
D5Ys9FFoqfU1Wetuk5+lRpoxG/cCNqVv78ibVQOpnkhKTcvEATab4CuLlRP3d+/u
8QIDAQAB
-----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 317776308225377184488438443305221128224580
 . . . . . . . . [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 2019-01-21 23:25:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-21 23:25:40 +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 25542683874460093508446318589684068985364160455767585189014264714377245331437249593722803873922096467356185672321773377281315756739046530420608883620913320758999145515818400461005951791857183484955568461353006559823337616696093256324975741776867577879096748528058023720630285683736943849717342132365993534726848366220034535302761823900742671451865692872972009604287727285776113863584342912675051095326760993807372089474322774845269867991541560411357979417939646376789140931110952164000287061633528450724088625228706384961584091070860179178545750748131273573935813176609799623499073448173861989953646388112524085030641
 . . . . . . . . . . . . . . . . . . . . [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)
							8cafa2fd7d0eb7f87470f9d2d6bf16b0b1e61665
 . . . . . . . . . . . . . . . . [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 (92 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 '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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016872f2c813000004030046304402200b6074f6bc0c88c0416ece89d1f983ff628fbf083d79d65336e8b17b3cb8572802207855991bfceb9cf6da46351dabe7885dfedf5013cdce65140a52e27efd49659f007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016872f2c8120000040300483046022100de9b59d2234e16a551fb8e8dc16a1f3ed6d4c26ae8c520c62d4ab31230f125500221008340b2a8ef081c7d2f7a22473923d408f0a8508604a5d174d96f06b3276df84d
 . . . . [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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