projektkawa.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cc:02:43:dc:10:38:a9:8d:5b:55:a8:f9:d4:af:1d:58:f0 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=projektkawa.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cc:02:43:dc:10:38:a9:8d:5b:55:a8:f9:d4:af:1d:58:f0
Serial Number (int): 330757471450448577691744770700433141094640
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1a:14:60:5c:f4:a8:92:21:86:9c:6c:32:f4:52:06:7b:74:ca:d3:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5e:51:c5:39:6f:5d:5c:42:6b:f4:1c:df:2f:1e:7f:07:f0:68:b1:cc
Fingerprint (sha256): 8c:a0:ee:da:4f:11:fb:40:09:02:89:d7:95:19:63:81:fe:4d:e7:4f:fc:d8:c0:30:16:10:1f:f4:da:bf:d3:da

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 projektkawa.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for projektkawa.pl

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

projektkawa.pl
www.projektkawa.pl

Other certificates including the domain name projektkawa.pl

(limited to 100 certificates)
www.projektkawa.pl
www.projektkawa.pl
www.projektkawa.pl
www.projektkawa.pl
www.projektkawa.pl
projektkawa.pl
projektkawa.pl
www.projektkawa.pl
www.projektkawa.pl
projektkawa.pl
projektkawa.pl
www.projektkawa.pl
www.projektkawa.pl

Certificate

The complete raw certificate details for projektkawa.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmizqXtz6M4XnzuZZ94XQ
+2U6DZxSCT7JeaZJf/f9l4xs7s960P67ERyOilP7j86q57g6wQqgbCHyI4+nLtsF
YqgRYz6FFjYhB5RxDKjDXBFyrcZCdpu/I1WDdeDh7N3NsV6zXXrlxev14qKJCS+g
dGYQv6iFHoQ8YCQWP1dgprtjHa/W5pgrV8zD+V94GPYFraGvtHgGzQNYKSO8qGxk
P3taVHT/MMf/7plMqzZpabpWJN+XGl36gmCHK3ZwviMpm/tbo3x5D04u0S5/IgDk
NdjO/AKSdW0lUWiuCS3T8c4+NKTial9r9+nikQ6/n+c3Yd7C94MQYtt1bd3U/AGJ
XwIDAQAB
-----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 330757471450448577691744770700433141094640
 . . . . . . . . [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 2018-12-28 17:33:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-28 17:33:55 +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 'projektkawa.pl'
 . . . . . . . . [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 19462847628244761917879794779974235967610415698871949304783140879700972973568480144681131059741189570041001858292110048016482518549898169398475748078124772839539598215836439895114648030738484375151994088834643950396426663947280001380222896946316082599088393846241891934687089868278171010337915348904319088079851023121801064711631116585232612764916289405326347570203573658759698273663657970348460732951175287236905978404308377631925196391038034108079078589925023435005381925259318629169093686663360460424817308133463776906283263697453779459948129436102763398458608669856580420666575184648974688627885546477850512689503
 . . . . . . . . . . . . . . . . . . . . [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)
							1a14605cf4a89221869c6c32f452067b74cad356
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'projektkawa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.projektkawa.pl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167f61823c900000403004730450220460061a723202fb601b796f567e075354cee663a9f84e63d27e29e320a096ab1022100d5d03a54cee639f29a3bd0f01c78acb22933747769b26e4b902669e8c2a409a100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167f61822190000040300473045022100c90a54ef06132baa8b55e3015deda5cbe8b5817864ce95dee177a557486cb54b02206ccee76125def87c5592dc70380938fdec286d44990fcd60cb9c573f36c51021
 . . . . [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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