www.ksiegowoscwrotniak.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:27:1c:80:03:44:dc:ab:57:65:c9:28:46:44:de:79:42:8a 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.ksiegowoscwrotniak.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:27:1c:80:03:44:dc:ab:57:65:c9:28:46:44:de:79:42:8a
Serial Number (int): 274645753169380247820445403017332099990154
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 92:34:f8:2c:19:60:b3:15:11:14:34:49:25:8f:5e:7a:c6:5d:e3:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cd:6f:91:d2:04:00:62:c4:e6:64:4d:3a:23:05:5a:f7:93:2e:3f:3b
Fingerprint (sha256): 00:19:33:8d:b3:69:12:b4:51:a9:d0:ef:a0:41:57:e6:e6:0c:03:c5:7d:70:e7:e3:9b:a8:50:15:62:83:78:bb

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.ksiegowoscwrotniak.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ksiegowoscwrotniak.pl

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ksiegowoscwrotniak.pl
www.ksiegowoscwrotniak.pl

Other certificates including the domain name ksiegowoscwrotniak.pl

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

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 274645753169380247820445403017332099990154
 . . . . . . . . [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 2017-01-04 03:05:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-04 03:05:00 +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.ksiegowoscwrotniak.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 798212500569053603248597477795279945716914200289362678670827963111746908149189905626328957533882321739998400638146211960488579148097463792782488930191380705757137347349854910381452766822040822413548590115513094857713769753306130363087596964088879239316305096267321019604483667005627703480240752758659208478675196456364565995166187540280102617490853317726854098201130233057839612412038647452392666259644584398448389538541332715238702012648233179954961922752986743882479284101938251687181754660484405605286477073825627503055376999103861167785281918509672065221084868288650445737452483419797347588210591587838987918513143632435994064647568501977042759102195006078564040839408922748867680637319783512429558750155501244494351741124262349993097177841778821285649856772053854354059638863146025899451453006857234530854428744449083492010445271450710828732279025352726497004062435504397116802257080698077200054868354732640650388706838047318983903746685633025298285225881823878511634798792196842786818403147587638642962554764544983480522501161955317294857832463329502733568874446069941029466346856690867726320175869007798742243496666796651763705260861752749421900853751199065923060332030238524187767777340008594709780032825820727763960144657817
 . . . . . . . . . . . . . . . . . . . . [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)
							9234f82c1960b31511143449258f5e7ac65de32b
 . . . . . . . . . . . . . . . . [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 (100 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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksiegowoscwrotniak.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ksiegowoscwrotniak.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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