f4u5t.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ca:81:9a:2f:38:9c:d1:b3:9a:6e:4a:34:26:d8:d7:d3:3c 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:ca:81:9a:2f:38:9c:d1:b3:9a:6e:4a:34:26:d8:d7:d3:3c
Serial Number (int): 330246166896241339718140842377855544841020
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:8e:e9:cc:d9:2b:aa:ee:e9:84:17:05:f3:7d:14:c9:43:ba:9a:f9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d1:8c:f4:9a:0f:16:41:f8:bc:d2:6d:0c:f3:8e:84:5f:ae:50:1e:c7
Fingerprint (sha256): bf:88:8b:87:c4:6c:c6:73:7d:61:8d:04:29:2a:b6:23:5a:92:c0:29:a8:1a:d3:70:ff:74:b8:d1:ae:36:b5:3d

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 330246166896241339718140842377855544841020
 . . . . . . . . [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 2016-03-30 22:51:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-28 22:51:00 +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 845070857899818874282666411268177479674322809272658762488148689501366628670386704048788889176217221729444147000981822742739973439635546705750220727793118653843207532304289704176626072964059970704717192451513413142164541079831294169881923905370414093939597735680163139861412725320117815047761914108753164976009890585945117910289870912538406497947071847405629075414209924753922922445692794039273941301236220712611851733547545690502299618537691730942408902222843498268587473688438953833217801529378901317428541396596696800720353183306380366222482823295630882046249238073571817897458788859577090126114348020494800677195379373413905872213724383212104502250606244369924914027065635697427827437266845816920318143219825046586394552702035721969301805825323813080505322683100596212013656088590489680808624281814225889151794739346787704126879726409037546224381376470152124380148475455107523995302684740893984898372034492836593710574551716582399165058080683758215950114567945727729304495420417005256339348979055153979704110219711935764103569258229236917456725621824168675390115658760224722004969328031871702467929944642524001125652542931122557528949103412424941086848057691343036311142538335238254424704991674846010661051392858824446065137021421
 . . . . . . . . . . . . . . . . . . . . [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)
							328ee9ccd92baaeee9841705f37d14c943ba9af9
 . . . . . . . . . . . . . . . . [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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