www.codeplus.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c0:eb:a3:72:1b:b0:04:6c:5b:d8:98:74:c9:28:a3:9c:93 was issued on by Let's Encrypt.

With 2 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:c0:eb:a3:72:1b:b0:04:6c:5b:d8:98:74:c9:28:a3:9c:93
Serial Number (int): 326984289481886651245192710113734844193939
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 48:07:24:28:de:5a:48:9c:1b:70:79:3a:45:8c:42:b8:16:97:6e:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:17:77:bc:17:64:6e:4d:33:63:86:28:f6:72:a9:fe:02:d0:00:3f
Fingerprint (sha256): 05:ef:32:01:10:b9:75:2a:fe:cb:aa:8b:7a:25:37:85:f5:f9:cb:07:32:7d:c4:4b:37:de:6b:fa:65:da:90:a6

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

2

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
www.codeplus.cz

Other certificates including the domain name codeplus.cz

(limited to 100 certificates)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0PXIm11ygRoALdqZ8Nb9
ybwSU5SDjZ0zLcG3AKGSCpixAiT1S3AMeigosk9W0b+xPvylUCLICTkvDxpKgLD/
k1WZ2JUTisdLUpzqSiPUqZQVa3R2vnHbLHN67Q9Ek26fVM5P0PHU53AfLx4BuK5m
P5MksoA31jI+97c579VgLMKWYhVT2RPyY1B5L2WCyMiXeIo5sCMZoaplfAuQOdw1
QqB3Kcl1uCLj6Co9MUk7fxOtEdqqoj/Zr4M60/UhuAMsvexDX62omkFcDdbcU1Mr
hqdq/J4WmQfjz1nedwDhEWdWMSZbQkbiNSD2+ZS2skbWHNgpIbXkYJbby524i+az
FwIDAQAB
-----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 326984289481886651245192710113734844193939
 . . . . . . . . [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 2018-11-26 23:27:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-24 23:27:54 +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 26378767853500120104580671756024339425845058187594505041387659659017539065208401401292572783258569491758993413081203532154471244664439641949484113208845313629242926029952930116783857310271057359870543124817595446433231903772480597498811378748278168772000725663348737969337923329796190937870474547593039329184118416292243197448102473999342214385175754567167589025501988736805312459468502700152780084213969295961968369717513590692659390945658387688266953549607712495099380073857954341442975866097988140178129351192570335089669496107700791383801744813566273817959085187689915065137180165390989271427332623874751346422551
 . . . . . . . . . . . . . . . . . . . . [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)
							48072428de5a489c1b70793a458c42b816976e32
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
							00f00077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001675290b6520000040300483046022100f7e835a7969ddbd11776e12d32d702c3a51fe3c6dbc6d6c44f42f35bad0004f2022100988b716645fc8977861a657d476a4965d4d05b92611841f84feea1c0ed570670007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001675290b574000004030046304402204a69ced7a1ca71e65a7f7bafbeff7cc6fd9dbb9f86d71edb02143b80550a956302200dbb423c5c7bb2c78336bb917467e7998c1c549d3f9adbf692fd024d90b2e344
 . . . . [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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