f4u5t.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1c:c7:e8:2c:50:b5:7d:a9:c3:bd:ae:57:7f:36:a5:06:cb 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): 03:1c:c7:e8:2c:50:b5:7d:a9:c3:bd:ae:57:7f:36:a5:06:cb
Serial Number (int): 271130485951919839521574343800546669168331
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bd:cd:8f:d5:98:5e:be:b6:b7:5c:a2:39:dc:b3:4a:9d:7a:cc:a4:41
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c5:34:8c:12:1b:6c:06:d1:fa:22:7c:38:2f:85:f1:d2:5f:55:c4:ed
Fingerprint (sha256): 58:02:48:9c:02:e2:16:4a:5b:21:0c:ad:43:01:bc:50:75:a4:a5:a3:af:46:68:16:21:28:71:e3:db:3e:98:b0

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 271130485951919839521574343800546669168331
 . . . . . . . . [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 2016-07-26 22:53:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-24 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 766738703716631022745928045364398416299222594913952376011194440809700188003072797331163650247702397478877375780775320374906372061021507152428333135529741551057288977820280276774759977586742330840103865142029170155642856785720298538120696620105238020658497740578627963390795031077173506152305415481051341674501876305344705897498124308577854217656064059788223545159651811406646686761447523014526271351295680768525715577743007262447845823567580592446791177244691181309150210753602728946654333685014436913491449855045880702339549118134399269870530688170099209399144726121584119396373881316317672932867980989306673869672985972403231516548579071807577916960951094531916082279786527954939544067514309796164562597061879826210996964588506624101970945599183429691279417304098760599953884004181949020159783157492732360057930501009208427394285838888312647526348797719122137028433981273395346665532829229357554504870144940276364383666343152024892097524376340780182364190866881678609629719658345215958765934781341937321475593274786377911490176040184604675559164908544339457033955672076690366366572750563685035414392501681054812630211063203080375129810459263193405568763708864344869412496159371488530989036333059658465502208560381201603805641482063
 . . . . . . . . . . . . . . . . . . . . [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)
							bdcd8fd5985ebeb6b75ca239dcb34a9d7acca441
 . . . . . . . . . . . . . . . . [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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