czastka.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4f:19:b2:c5:c9:fb:1d:f7:ca:3d:05:de:2f:6b:1a:a3:06 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): 03:4f:19:b2:c5:c9:fb:1d:f7:ca:3d:05:de:2f:6b:1a:a3:06
Serial Number (int): 288253323722407590200834058646566244885254
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d1:ad:3d:ec:db:13:e0:e7:26:cf:d5:46:12:db:c9:18:c2:8a:be:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 26:7e:56:df:d5:cf:78:df:be:77:71:af:f8:e2:72:13:2e:3c:ab:6d
Fingerprint (sha256): d7:08:26:1f:46:a1:78:5b:4d:08:50:be:cf:40:cd:35:6e:4f:07:14:7a:a5:44:8b:a8:4e:d1:12:e1:2a:51:06

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 288253323722407590200834058646566244885254
 . . . . . . . . [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 2017-10-15 09:34:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-13 09:34:32 +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 848437614051669541446930475985566641044602701582395458987073495177355534921637499423916118992358376427716323365375363060678593309838999848719026135558267439141806982694514559588874411998929964386979887322839490899976374821516041473665060982707418494351503784338064614697180955787956251058290484929999751452981670480713891075002890652675231043229436499168717541427163907440707900490464776500774972051398437524347632591303607952611673468574343308254469319450502850644867849600579585034100325492350478325361390055531047854124436846157339158752939527161681570963354988494080131035882247468114581803862499824486340853232847895568387393587923147005806178866163350239954111352083360773893345004268901685851854666314142056485973539828090805482080252946549641372552724203881227026150386331471546032470164205656576286036708099977479191110528030201754476360786993925507280016816030604560936366988203723967616519578976432969955110549371430500387850726852842133091156971304470133321205195475992054428706925483545491218470108326961824750895151715517883258040930708738993846558596282183575677172625294595451332132298910463890087446152690559812579252067550330946990228238277852470735625824655406163126836103418536983048054835463200065920902975018027
 . . . . . . . . . . . . . . . . . . . . [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)
							d1ad3decdb13e0e726cfd54612dbc918c28abea6
 . . . . . . . . . . . . . . . . [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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