www.codeplus.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a4:89:cc:89:12:c7:f8:91:df:53:eb:b5:fa:dd:23:25:ea 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:a4:89:cc:89:12:c7:f8:91:df:53:eb:b5:fa:dd:23:25:eaSerial Number (int): 317326332214474433172245305240635834574314
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): dd:78:ae:f8:87:ab:ef:95:98:2a:b1:b0:4e:8e:f7:59:60:03:f3:76
Fingerprint (sha256): 0a:ef:78:82:04:7b:f3:70:1d:dd:66:1f:08:4a:0f:98:cb:6c:7c:ea:4c:7c:56:f5:da:23:98:17:31:e1:c1:7c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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
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www.codeplus.cz
www.codeplus.cz
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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
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www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
www.codeplus.cz
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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----- MIIFoTCCBImgAwIBAgISA6SJzIkSx/iR31PrtfrdIyXqMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjEyMjEzNTNaFw0x OTA4MTkyMjEzNTNaMBoxGDAWBgNVBAMTD3d3dy5jb2RlcGx1cy5jejCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMpWR7BrIbsj6DIHNjSQLg57p6MCRDR0 Xd5JiD066/MBgbt2S+jVeq6dpsLEDf1SKG+QEtBh86KqBekj3JFMpL/BI1NcJ2p5 Pg9fOuPRtMTEM5T4q+mbMbAxyYotCVv+eBV4hCBeiW5zKb62olx24qJLpAKsdVoS McGMlgBR6GROdy7X1Cy+tFBV9XSwz9cv8xBYqs4QfFUuF924qruFhrpE5H6y6940 FfCL6xPjSWlAg3m05vIEK6iAHiBGedhn7kl2dG9RV3rTUY0AUOpLRA+WLPRRaKn1 NVnrbpOfpUaaMRv3Ajalb+/Im1UDqZ5ISk3LxAE2m+Ari5UT93fv7vECAwEAAaOC Aq8wggKrMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUjK+i/X0Ot/h0cPnS1r8WsLHm FmUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzBjBgNVHREEXDBaggtjb2RlcGx1cy5jeoIPaW90LmNvZGVwbHVzLmN6ghRr bmlob3ZuYS5jb2RlcGx1cy5jeoITdHJ1Y2tlci5jb2RlcGx1cy5jeoIPd3d3LmNv ZGVwbHVzLmN6MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgw JgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBgYKKwYB BAHWeQIEAgSB9wSB9ADyAHcAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH 9HgAAAFq3KwwbgAABAMASDBGAiEAlwnByYUOMvF/nQZ8qn2JYNug120fZ8E8sgtI c2YzxyACIQC8Ba+qn2Kc5RNyiYXWpgjuTYej+DaXYhnI3bOw16+cCQB3AHR+2oMx rTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABatysMkMAAAQDAEgwRgIhAKeV Ing+bP5qzpoUBMJuq0bqtk7cJ4RSFhfV09y1mEMYAiEApRvI7CBzUpvCagHCasGx S/4d1+qzOUHwWrlOKLdTR+YwDQYJKoZIhvcNAQELBQADggEBACu9tyQuERy96Jwt QGN0xPZbxCMtdbssDKf66U0WMXC0rafEGGwB7Hje764vIoJSogVs0Nns39rLtV8Y ISQFZpIUV5+dRUFQx5IUXInJyn6O8z7avpd/o2GpPDw1apD4L9DDxPRsRVA9MJyc +uQLNe9tNXtRP+lM8Kt+p2vwZq+7gnOJsQudC9DrpwiX24EqoQCTj9F9zRLCsGeo Wr13cDlpXeSYGs5a69LoEYTfZxfqRAGcQjU+JwjAyFvwhewzM22vzwJK8EsYx7UD 3l/sWaMHVi9ULZ4HwvOqc+LzWc9e4Q+KOk4/PMVAsXT41KM7nraipF78Lpv4fePg SOr4Ri0= -----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 317326332214474433172245305240635834574314 . . . . . . . . [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 2019-05-21 22:13:53 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-19 22:13:53 +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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016adcac306e00000403004830460221009709c1c9850e32f17f9d067caa7d8960dba0d76d1f67c13cb20b48736633c720022100bc05afaa9f629ce513728985d6a608ee4d87a3f836976219c8ddb3b0d7af9c09007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016adcac32430000040300483046022100a79522783e6cfe6ace9a1404c26eab46eab64edc2784521617d5d3dcb5984318022100a51bc8ec2073529bc26a01c26ac1b14bfe1dd7eab33941f05ab94e28b75347e6 . . . . [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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