f4u5t.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c5:d6:70:4b:fa:32:15:c0:1d:e5:d5:99:1f:59:fb:0d: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:c5:d6:70:4b:fa:32:15:c0:1d:e5:d5:99:1f:59:fb:0d:41
Serial Number (int): 328657521948055006587272833253898047917377
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 02:ae:f6:7f:f4:ab:00:35:40:2e:8a:c5:cd:60:a8:65:11:53:4b:f1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:a9:f9:cb:64:ea:5b:bf:38:08:30:be:99:9a:81:a2:40:e6:ca:df
Fingerprint (sha256): dd:ea:67:58:b4:4f:2b:0c:18:9e:79:1b:a3:2b:11:15:57:74:6a:35:1e:d0:2f:9f:03:59:47:d9:0f:b4:f1:2f

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 328657521948055006587272833253898047917377
 . . . . . . . . [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 2016-11-02 02:12:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-31 02:12:00 +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 778527547749379226394276880101700528905767088262040503735168610068815827563960655034766332540752812284434401407767961299841472835396471844145077145992670433644032627350254309090729292142597531912122314754133843282807021667841525454004441546809581666393997772945727307228501308595729452413491809466427101468928640766913378805330033144479900435303137689361016075600185583446716716939229649286226048935262260255475878092294979773867561919503902467530042196030499109694344798746507323006650213723422144422511625004783823100853429678875531138937251912748794797102280296677331254815105307000897103440177203792662435357353066094913673374714548211821187853296354623652827410800574636464545196128446744444254110507560157005961972338239074286256000392883414885657292705697293495346472528263037980968813212578859303533709052511280266079432664144723104660371459544793785645453129730279300853331171226952538114319454746597592815168128055248098582418927984922073100206790497831309494528494725392556176028524997137680444791703910666852938642822376661637421150429621822717543832739153184508102066909754518069831884460924546370427175164412322261044689885828623988888503732059231774036616431548706695074744785009490916522222679921048237922923318596761
 . . . . . . . . . . . . . . . . . . . . [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)
							02aef67ff4ab0035402e8ac5cd60a86511534bf1
 . . . . . . . . . . . . . . . . [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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