f4u5t.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:90:d7:c8:a2:f5:fb:52:ec:ec:5f:5b:c6:95:4b:ec:41 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=f4u5t.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:90:d7:c8:a2:f5:fb:52:ec:ec:5f:5b:c6:95:4b:ec:41
Serial Number (int): 330606707524841871613611402012933451672641
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 33:e5:1b:86:90:27:d8:f9:26:f0:e5:fa:2b:73:62:05:10:4b:b3:fb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): dc:ee:64:cd:17:99:6f:3f:c5:6b:89:8f:d6:53:ac:f2:4d:d2:21:b9
Fingerprint (sha256): b7:6b:7a:b6:9a:26:ad:95:34:db:21:7f:4a:73:6c:c3:cf:4f:05:44:b5:c5:77:d1:65:c6:56:8d:a9:40:ee:8d

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 f4u5t.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for f4u5t.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

f4u5t.de
www.f4u5t.de

Other certificates including the domain name f4u5t.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for f4u5t.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 330606707524841871613611402012933451672641
 . . . . . . . . [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 2016-05-28 22:53:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-26 22:53:00 +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 'f4u5t.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 919823737819635788135726744544671084986523859429004363344034906482068949201473808883287040621840808728543117351587212213320335925541386387290897636478286584845836012009789372864828823979208577168601067105309869276819631516546894190146625556512909751122669003278089974860012453647117091397752875774764597355528426950195911456557004458016354938171425351443504752961874708932251110958781754225554741116713024338507355125470370600275844108377014699507611028139990518260857890060028130029928454216261168670381202742263383378690195067311538603653296275961155266529400698336511750904657390795619601361646488100897760089660906387554555012984285852824491181353592709584146430039492900210408142582993795502512811400657799662866236573554080377695377319707203355476082785231496715826574543785438481991553688100650066488506961080414540475669895734466030515589765503589448457767694356495990582029663713816522746288937648693216581266737727579968959440444317698888786264401140752518867926449556720513131787176672825522535546246786172391122627252576603198375725242087983091417419605881372726164779203351520075089217194677291859389002462725164559798942379843536067058464507330001278973692336852487183602419541936264509206006275036294408807327968126919
 . . . . . . . . . . . . . . . . . . . . [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)
							33e51b869027d8f926f0e5fa2b736205104bb3fb
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'f4u5t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f4u5t.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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