www.fewo-duenenland.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:5e:fc:04:e9:01:55:74:58:69:2a:67:28:2a:c9:f8:19:d5 was issued on by Let's Encrypt.

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=www.fewo-duenenland.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5e:fc:04:e9:01:55:74:58:69:2a:67:28:2a:c9:f8:19:d5
Serial Number (int): 380770677167641547783426661430326508132821
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5e:85:9c:e7:91:f1:05:22:70:a4:51:d6:e6:95:b6:86:ec:20:bf:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cb:a8:82:68:bb:d6:a3:14:8d:4f:58:6d:a1:e3:9a:84:15:46:4e:32
Fingerprint (sha256): a1:bd:01:03:66:e2:c8:50:d6:fd:2d:40:a8:59:7f:44:fa:07:e6:69:43:96:6e:03:2c:6e:c4:c0:2b:6c:ba:43

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 www.fewo-duenenland.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fewo-duenenland.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

www.fewo-duenenland.de

Other certificates including the domain name fewo-duenenland.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.fewo-duenenland.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 380770677167641547783426661430326508132821
 . . . . . . . . [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 2017-10-11 05:59:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-09 05:59:50 +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 'www.fewo-duenenland.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 978596765840893380403475362915050636822675455243256629689887635386461728905362885385397136289499629563586734453581123247833664778349970967839867286484671007493665145535605328417531775706593529272334441253621264916513499180069171821561339657763340199367424746106051047543472799968293247892866852430518148090862398750925828939444493524101482884119216753384381870122805741833015444771483751317601169655750691570016817140037747508743056759717708442155970631796712973638667321996273271284688932194912214443576695600977167998120404842711868077237636170396995823340411781706512780013845771456193038439423663993871988947233430942603507793100055447448501783872811564860602026738702790973869146526120249152836854966412372368879475000594755808561458204460831741726054428900883909582610490956282110527029169072221064803226918728937505776101462193531219025689895970482273132841052429810997746879307314168689690916106205740737389301007278481120295766613379988059930467345862593825374946999196346042012028393619369349819109908903800567126280537629544049918966793565318332944405504165652682444885460230765334307979442985936772692974248188282543094287331572139985446106792006395709677890735249370058791716510200201498899397325133915207848025414108859
 . . . . . . . . . . . . . . . . . . . . [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)
							5e859ce791f1052270a451d6e695b686ec20bff4
 . . . . . . . . . . . . . . . . [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 (99 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 'www.fewo-duenenland.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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