czastka.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:38:9f:0c:b3:35:d1:36:d1:81:7d:8a:53:df:e3:b6:f1 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=czastka.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:38:9f:0c:b3:35:d1:36:d1:81:7d:8a:53:df:e3:b6:f1
Serial Number (int): 330489440880783122313174975975752250668785
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:12:71:ef:83:35:af:a7:36:f7:36:36:ef:4e:f0:13:72:b2:09:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 43:05:31:78:02:81:14:3a:88:79:a6:b7:a4:47:7c:a0:8d:c2:78:0d
Fingerprint (sha256): 60:f1:ca:3a:74:82:4b:c6:99:cb:cf:43:23:92:49:1e:a6:aa:9a:67:c3:0e:e5:04:4c:07:f8:b9:87:0f:b5:de

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 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

8 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)

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 330489440880783122313174975975752250668785
 . . . . . . . . [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 2017-08-06 00:28:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-04 00:28:00 +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 '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 887126289487152771002298627218971730687634152612873964670518970137901439897641455264944765491523943847166882713320917198984073125682185358828419737163046163080745553556614230509932049458314906346305374872953661776632137866027462100980821732398422835767644710805892394073636824021140114559792812712520701539675883101422454816139975202103608161261015273444934793318567415369579638913143647029270861172889562001196735216393375971224802212531981239293131231682842423089896058353452812002018575665093005498940923445232749594176817651769710406613546752500701015643570998289572710943308282374297064595837005115400846375399448742789557762259475506583896868797526248409592973477684692391292651636798910519199496169445167869041357526732661646374702140019764542855242146166934680406630329804329298314935412130121907766381687424648803765768415304122642194892772215675438576170732609451569493911477401416417440335425290471706723580133187947222656633218868594370221875384996261298268607480985208747774674065944168239356754558177661141037425907684996733308373850900204443370816564164609632137537959319216729041286438900067766416007922728426111374061772446404450652123245995912756349241353868217035505552351064955955152446833217045786744507416306431
 . . . . . . . . . . . . . . . . . . . . [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)
							221271ef8335afa736f73636ef4ef01372b2096a
 . . . . . . . . . . . . . . . . [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 (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 (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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