zer0.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ee:45:26:89:63:2e:39:7e:9a:bd:d1:f3:61:96:31:0b:14 was issued on by Let's Encrypt.

With 4 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=zer0.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ee:45:26:89:63:2e:39:7e:9a:bd:d1:f3:61:96:31:0b:14
Serial Number (int): 342415977948001887369122272742007576267540
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ac:4a:5c:63:f6:c0:f2:94:d9:00:60:de:a8:2d:f0:51:a5:eb:54:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 06:f1:cd:dc:9e:a5:b0:ed:f5:98:e4:69:73:a8:21:6f:a1:d3:1f:5c
Fingerprint (sha256): 3c:63:85:89:79:12:c9:20:bd:b2:e7:a7:c7:cf:47:cd:4d:fa:4c:45:c1:33:68:15:40:42:52:f6:93:4a:3e:7c

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 zer0.de

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zer0.de

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.zer0.de
www.zer0zone.com
zer0.de
zer0zone.com

Other certificates including the domain name zer0.de

(limited to 100 certificates)
cloud.zer0.de
zer0.de
zer0.de
groupware.zer0.de
cloud.zer0.de
idmdev.marum.de
zer0.de
zer0.de
groupware.zer0.de
zer0.de
zer0.de
idmdev.marum.de
groupware.zer0.de
zer0.de
groupware.zer0.de
nas.zer0.de
zer0.de
nas.zer0.de
zer0.de
zer0.de
zer0.de
cloud.zer0.de
idmdev.marum.de
zer0.de
nas.zer0.de
zer0.de
groupware.zer0.de
www.zer0.de
groupware.zer0.de
groupware.zer0.de
idmdev.marum.de
zer0.de
cloud.zer0.de
zer0.de
zer0.de
zer0.de
groupware.zer0.de
zer0.de
zer0.de
zer0.de
groupware.zer0.de
zer0.de
www.zer0.de
cloud.zer0.de
groupware.zer0.de
zer0.de
imap.zer0.de
zer0.de
zer0.de
zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
zer0.de
zer0.de
cloud.zer0.de
cloud.zer0.de
idmdev.marum.de
zer0.de
zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
cloud.zer0.de
cloud.zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
cloud.zer0.de
zer0.de
cloud.zer0.de
zer0.de
zer0.de
groupware.zer0.de
idmdev.marum.de
zer0.de
idmdev.marum.de
idmdev.marum.de
groupware.zer0.de
autoconfig.zer0.de
zer0.de
zer0.de
zer0.de
cloud.zer0.de
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cloud.zer0.de
idmdev.marum.de
zer0.de
idmdev.marum.de
groupware.zer0.de
autoconfig.zer0.de
zer0.de
groupware.zer0.de
cloud.zer0.de
groupware.zer0.de
zer0.de

Certificate

The complete raw certificate details for zer0.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAucAOBDoHJys8FMXnjQ1M
cxojlO5ho99ZswZ1+sKulFKkeBZSemj0RxlzlP9Gilhjf/QWy1rKuncdZG2WL7UN
/V7SFol+Dti6PbSzIM666W+QDasv+Y3dySNPfuvPJdqA9c5F7IjcTjbaTbBoM0ZS
ypHgC/UlGeU5qA/Hqk2qifK8aFxjljko51cKQF/qn6PiU2ISyoQb/YuA2bD/PmpR
sjHUClgfAvHFa3jJZbOixX5beZau9T0nLva6mckl9D8LjJMz89Eexqol2Lo+Wpf4
df94k2YhK3gKubfM1FdD0PVAYYKmV8QDLH5EwOQs0AVHOqx8cw0VST+P0Iew+gPi
XQIDAQAB
-----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 342415977948001887369122272742007576267540
 . . . . . . . . [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 2016-11-19 15:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-17 15:31:00 +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 'zer0.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23448792146659851284069001230090183637455584903054658655225118632480278482266573427224186275382591150841351736235314656399679465133555974408789294216083900692708348069441775242626488424704837698004616160839447291120852476973398396608607706250700642796868844847392780522315376636172741220765901675561510340958880381148951865650101127431014508063921971056025899322021964085373787119408981649396843469490864882726353437030510217492270754596934815542644823772361151399901540160400364799046578628940786177405209743506497953836076013794309094339981289676960167407836464711391822328719760339910075056780781984875412908663389
 . . . . . . . . . . . . . . . . . . . . [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)
							ac4a5c63f6c0f294d90060dea82df051a5eb540a
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zer0.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zer0zone.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zer0.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zer0zone.com'
 . . . . . . . . . . . . . . . . [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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