r13t.de

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:f1:9f:2a:16:55:f5:6e:a0:9f:81:e4:df:8d:ca:6e:c1:df 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=r13t.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:f1:9f:2a:16:55:f5:6e:a0:9f:81:e4:df:8d:ca:6e:c1:df
Serial Number (int): 169331902140527639089665918088945471504863
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 29:c2:f1:8c:5b:fa:b0:01:d2:55:4b:56:5f:9b:d9:ae:62:d2:9e:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f5:aa:a8:eb:55:58:c1:a6:8f:c1:b8:2a:dc:a0:14:3f:98:ed:82:1a
Fingerprint (sha256): 24:70:d4:d8:38:fb:ff:f5:a9:19:98:23:86:29:21:f3:60:8f:ad:c5:08:2a:64:1f:80:af:40:75:8e:cf:ec:78

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate r13t.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for r13t.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

r13t.de
blog.r13t.de

Other certificates including the domain name r13t.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for r13t.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 169331902140527639089665918088945471504863
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-17 23:56:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-16 23:56:00 +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 'r13t.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 798262905663226202093146519976351669729006960894068662850719865491397753631949237010860234681647422155670047691856656935021712749201907307862736576638856048612508904288004995238580672093334262873750137435417331887035310545318803877372095227598877030596475092201452962402877246270343444044011862600354540024769015054509596302187534743949605740412073771943263060150338689045722706322280792665237947378062863399840927955107344701145931863552183360383019553272344555490171739398186467838443295384967633167956829596616626589695737361815683346589165696302775817759261125669205631513350370353419074266625721420654046896632045398900734986559596372708872446932121449119559622732361705708314703284242829233288774911465154780197549630686988432517963386984508902925913985909583123037365820829092224953392959453992980656209254573852919547457311375408823512780491566910348372910769838794601563191659349224727551839818823989961157990255448117877669500599789886784952020486468000059647184743632370718150500075545605182929846702994803479208871086042398173269168398444551595701160889583647493755756218357732225334805795410660273270566435523416481284620205919645061690646638050416577845418920607803302969440271298769023333084505168282610425992860222427
 . . . . . . . . . . . . . . . . . . . . [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)
							29c2f18c5bfab001d2554b565f9bd9ae62d29e66
 . . . . . . . . . . . . . . . . [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-x1.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-x1.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'r13t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.r13t.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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