czastka.de

Issued by R3

About this certificate

This digital certificate with serial number 03:06:46:ad:88:7a:d9:d8:48:7f:8b:6d:9c:b8:ce:ef:e9:6f 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=czastka.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:06:46:ad:88:7a:d9:d8:48:7f:8b:6d:9c:b8:ce:ef:e9:6f
Serial Number (int): 263472498992008802997773814027963587357039
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:65:53:45:86:28:9a:1d:56:ae:82:52:6e:ac:93:01:90:5b:28:cf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ba:0a:20:a8:68:dc:9e:a6:9c:cd:04:07:a2:bc:22:42:10:22:75:53
Fingerprint (sha256): e2:7d:1a:52:fa:2c:42:38:9a:c5:0d:c3:8e:44:e7:f2:01:5e:46:87:6e:0a:63:86:9e:6b:6a:7e:94:92:f9:89

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate czastka.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for czastka.de

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

czastka.de
www.czastka.de

Other certificates including the domain name czastka.de

(limited to 100 certificates)
czastka.de
css.czastka.de
czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
czastka.de
czastka.de
css.czastka.de
css.czastka.de
czastka.de
czastka.de
czastka.de
czastka.de
css.czastka.de
czastka.de
czastka.de
czastka.de
czastka.de
czastka.de
czastka.de
czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
czastka.de
css.czastka.de
czastka.de
czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
czastka.de
czastka.de
czastka.de
css.czastka.de
czastka.de
czastka.de
css.czastka.de
css.czastka.de
css.czastka.de
czastka.de
css.czastka.de
czastka.de

Certificate

The complete raw certificate details for czastka.de 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 263472498992008802997773814027963587357039
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-02 01:09:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-31 01:09:21 +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 'czastka.de'
 . . . . . . . . [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 736845956235613194679604551139370111473845637318803492894555973165639397888175374295430860871639422528419455481503950813041763102623539982968110852612473467493497954462819145096934959453586314434511160030736809033302296127349874122818346369144107807011268413306963618881812675894261440440003405057701063258879411440551601364959413267040983584983694591892542201644669318674699923987937248699562665460414783876022500682850247274939319512264139104610748303100096291361458867045654400525102156388798159820961625262158252611777639802159019060285773649725430840748099406478048876489804556331358794547164512330929526723021916031608778723423526504980510584671403926281815736886068059668171158364202998432971003904775282330433855244714704260909296851910657982888309303289824452607363378886897919374392682354236367840618286109152621615063935520078631147790783003267110648110695157559488638763608227277133843219046965511876061422135800735556965577213135264617446753637946509358969009183932567976527574262937740351635984659206212094899776670380501219619900485116375838510781863459418318284527075412801728988359135532919616656678991228086209467353175394803425573905585023113092285313359574252192846176273124917651781218668325247685691519364233833
 . . . . . . . . . . . . . . . . . . . . [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)
							2c65534586289a1d56ae82526eac9301905b28cf
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'czastka.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.czastka.de'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aee25b41e0000040300483046022100b5b4bc5b1387d9633eadf87b0ea4328d559d8ff2051159abd12e401473054ef6022100a68cb5e158c3d997cbe9997084b0390c647500cb7dd4d84080ec0720b2912438007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018aee25b41500000403004630440220538e262321056e11f3ad06a8000864dad4cc3e70f0d6cf8bdad9e5f9130dcdc9022069100c61493664b2d513644b6b86462ca2ff8e4c31dd6ecfb0f06226ad1f64da
 . . . . [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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