www.fewo-duenenland.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6b:ef:1f:8a:86:c3:44:70:93:ff:87:5d:9b:81:12:78:47 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): 03:6b:ef:1f:8a:86:c3:44:70:93:ff:87:5d:9b:81:12:78:47
Serial Number (int): 298064920317665896400081241909790734710855
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:83:df:6f:de:14:7c:40:8a:30:fe:06:81:e8:6e:c8:9c:a1:c7:7f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2e:c7:a1:04:dc:75:9d:4b:7c:4e:68:d4:30:f5:0f:a7:e7:ac:04:3a
Fingerprint (sha256): 41:1e:31:45:5c:48:ba:75:16:40:fb:82:7f:76:83:b0:f0:6d:6a:67:49:14:4b:63:b2:bd:e3:27:a6:56:07:94

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 298064920317665896400081241909790734710855
 . . . . . . . . [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 2017-12-10 04:00:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-10 04:00:28 +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 792980665951940225800486168656150795546112934485533654737837911509528219091437962959600665638066657400596896502151267756460635916854737635681487453903979088863354593812542159163626933045703904454087618154741760636458483741689320431566589673321320743519878203228241556305513961495912306079145426072154181811118022888539258537985296781195324386365654128218356001493201212484777177503723868117611289260016298058587586710122418832906554321547896053111265338274867156083962471792587053140394672913340244035462616662470906295732721916578170118220077069817258249122137481320580601648196429062813166960567059717432164832148809057970497807073360943127435180612421465059790016259622478415165377618004729942561637041892031839689977508261233082561776254241663751248722793137514525676680965657214191440697052987937040039144106661335580159840650620456151918250090592787342823687335748250784827784635569605082769531594001554155716069055535545138355886566064697893252824358796097062840260338644664079076631327885210082027374855631845082694777948572027580361996892664847807658731520320467561463379132470577580853871403368112564784514539139937992705162495147442796631840490541820846881123198266424293494032828402465912781444965646280716760179229267491
 . . . . . . . . . . . . . . . . . . . . [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)
							2e83df6fde147c408a30fe0681e86ec89ca1c77f
 . . . . . . . . . . . . . . . . [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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