r13t.de

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:1d:cc:71:b5:d6:34:42:e9:a5:ae:16:90:3f:86:78:c9:e0 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=r13t.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:1d:cc:71:b5:d6:34:42:e9:a5:ae:16:90:3f:86:78:c9:e0
Serial Number (int): 97252227501239738512643530846210451098080
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 90:f3:31:86:f4:87:91:38:2a:91:19:cd:ca:f9:9d:6c:4e:03:63:ec
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9e:15:6e:ca:1d:e8:84:27:cf:03:2b:fe:45:96:ac:0a:c9:36:85:27
Fingerprint (sha256): 4b:56:48:91:d4:38:e6:c6:d7:ac:31:6c:5a:01:ca:29:01:58:cf:aa:7c:83:30:2c:48:5d:1d:02:2c:41:91:ef

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

4

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
oc.r13t.de
matrix.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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr/x+oivc7Givr9QJpdAz
KuYNQPxOwoer0XCXF/+H54y6pQUuIcRZCHVRJvNPAu4exMijvSgC1jkBQRbf2BWh
FHh4i2ZgjtShQtMGTYiX4q5+zDnS4uZte06svwcQK3QJekOTTqBlOlbXspwAsHYK
EOVqncLYN7h/KXI8M+zrucvmFkNZRnHEM+Z34zwL9suBmJvqkTzPH0bwzVoGXfIX
2dse5Pve5jUSMXJlI7Fo1dxXnFfOGXOPzPjevsjeud+BkQ6EQzbsWeIIVLab7NjK
to73rUprTJysW3QmfMO3wlIbYDgz45IiiV1EcqUADYYFMXVaOdneVoYs4owGwT0H
wWQZUeopM2wcZ39FWQxj48shHH5aLBClCu/hSLgeW0kMnz06MG4rTF7/U8VC3z7I
3QKlQ4/zByUloMfqYyn7FzhGQG3Uudd2+4fY2u4fbCkPcTDwvW0F3PpQzAOJKUqJ
C/nPxUscJAAawvsTGoTRFt+6X10FXAswGwEnlFMBHGIpXKJN9+iMOy1GGk8wSo/b
c51DWKBuNSKZ9xdGVEm89AulW9WNhAdn9rSE/tPKKmFJVsBaSFwZb07DVdHkEUmY
3brSUjfGMnHoRDAWfgf69AdI2Z43QufML6PtmqW99WFuAqrs0CmFo03AFfSndM4z
KTV/iyCXEwdRpAwfOLbpc60CAwEAAQ==
-----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 97252227501239738512643530846210451098080
 . . . . . . . . [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 2015-11-10 03:25:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-08 03:25:00 +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 717961494521456428471728942289243370184232328581808854201880812551532552387060502940674148010699849750618583647757990819071112972402866053565038807527532460152932555447495777280483779682033529039340868082813202116421430467688912450987484217283122838731810098732486984008129244855536922830327965075811861687208208201566008688948106359410363824567398600653484599643786786032174902672680673295307894246987543061232937043500636799884765883063436732255635264353663228641444475938560603585598622263878160375385322782190009365042233537421303878298459262744574901997411687352472228561348136979068107018057059440624989923550590875654571770141263196687946869872623251294957343742020705028886489119990955654876072560336697265698103429977580564518129402001167279171564681756138976758215904390512912270966772282650862202501704342193625239936568661764347254967143950311368339498469942203668026682478980511348770532697690286771266352773471713087831649590161472646374505503337777851696187563112926828975643212762630988902777061382485611412815998052076538458452239928188786895690295871752784610093605295162023087978310817169432393421152177705468871615018454733826613420905268688365870247844582106078948967286922011077960313340031851653795838209651629
 . . . . . . . . . . . . . . . . . . . . [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)
							90f33186f48791382a9119cdcaf99d6c4e0363ec
 . . . . . . . . . . . . . . . . [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 (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'r13t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oc.r13t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'matrix.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 (248 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: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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