projektyporsenna.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:fe:11:77:93:ba:38:ca:b8:8b:a2:24:55:ef:d2:5b:bf 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=projektyporsenna.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5f:fe:11:77:93:ba:38:ca:b8:8b:a2:24:55:ef:d2:5b:bf
Serial Number (int): 294001397258056773285820136997055131442111
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:a7:fc:25:d0:f1:bf:04:12:6a:dc:d4:9d:98:cf:c5:08:f9:d1:c1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b2:4c:e3:6b:30:2f:3a:02:8a:0e:52:03:82:85:82:46:93:50:2c:68
Fingerprint (sha256): 33:03:d5:14:8f:9e:5f:72:4f:30:34:04:d2:bb:12:13:3d:2f:83:95:74:3e:2e:60:ab:ed:63:b5:1c:47:b9:12

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 projektyporsenna.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for projektyporsenna.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

projektyporsenna.cz
www.projektyporsenna.cz

Other certificates including the domain name projektyporsenna.cz

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

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoqEjkFjKLxVcH/sBxx7Z
olOJyRKI0SZAeAi2It2h572VDBhBtKYJKSg6ZTqlLFrLsaY1E9E+efVLjYMSQTEY
weKt7RzvylvsS9VAEMacslsvIdQYXJYkNYYsM6nQOmkiysMd5YpIvsaCLf3jEp8N
c9IWn38zLXI9JBqcofh+rs+xg8kYVwzDPcIKZeEnEBB1VKITYzvePm/T4uOF5OYz
6EIH8n0yLDd7PgAN0clVdepUIhH2Lb0o1kik0aQwZVTrj4uFQyUVw+QcEW9enJKb
zjJnFQh+vqOyeED75RGEji40IREqPsf30j7SuLYYPiGCG6AVj9EyHLEwk99HyzFq
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 294001397258056773285820136997055131442111
 . . . . . . . . [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 2018-12-03 17:56:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-03 17:56:46 +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 'projektyporsenna.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 20530065968134189996958430423662178441409850855878673772197214579883936060712874442278663360747334710413933111861182884787541742878920542079322824446546418987271103907146632463057931602235663127727065220099363989465010035933406068954833495903342399314917041674226752598263764976600186658109855301321467813312316161904409616354802117960481483784940824785071757720292455164701813087436245120329463318101212178592842344368381875306297779920450481468798371045807558928470950859342499311109118663413493135055247272496021767547585276228496921078016706596016767512244543884109716891568358950286661762474645040436194042800813
 . . . . . . . . . . . . . . . . . . . . [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)
							12a7fc25d0f1bf04126adcd49d98cfc508f9d1c1
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'projektyporsenna.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.projektyporsenna.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167756e116d0000040300473045022022d8b91da01bfebc6f052fa84fd8011bd99ecea9bf28b7651f8235332e07893e022100eedb3b2fd95028f28b6f81313bfe461126fb23ab8c54b3cb722d4444016a64d8007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167756e116b0000040300483046022100af08e5aae46768335aab69a03f62c2cd0e1f9211dd0c347d9bf0260bfdd95dfe022100ff5d0464fde1796baf2e8207e986c7e67b1f2ae8c3a03221672cc8bc96fb563f
 . . . . [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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