www.fewo-duenenland.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:15:be:82:c9:98:67:68:f0:aa:74:cf:15:c5:b4:b7:12:6f 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): 03:15:be:82:c9:98:67:68:f0:aa:74:cf:15:c5:b4:b7:12:6f
Serial Number (int): 268736019907250206073009089912183132197487
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 25:2e:e8:c3:07:6f:16:91:57:90:4b:7e:99:be:17:ec:02:1d:0c:70
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:69:73:55:fa:65:17:23:e5:75:14:be:3a:ef:52:02:d3:07:94:d4
Fingerprint (sha256): d4:fd:8c:d9:81:f6:cf:fe:d4:ff:32:0e:db:ae:5f:3e:9e:df:02:07:6c:b2:de:c9:37:37:07:1d:81:7b:5d:8b

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 268736019907250206073009089912183132197487
 . . . . . . . . [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 2017-01-25 16:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-25 16:00:00 +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 '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 765494787708357218578536706689520296334170384746817951185215726911564469805247786422459834812156263324843708190753802179339768927786529936066582873066060267383481766031647790811435278059874983139581377677746712297886483801929505719752433517590886496459109904486079286064206312088568306385902947528483567035524694261549276995674837078381868386408218340221293448696815621786579349898830827163491945937027089963631033145843909798825101173914325535798003987499172605004271574963131958146381461821211796179725628571746701541784668891043028668256888851575620720209732650739254980389416779044212343835513688862894235250789653731628283786731543148052852960987623836874549308039199188289926212708680719069216795367587985550383369646626982311608095009399826559703584420280452968713434264572924096397800325639198277188416756289646490598951196456253567458710664323584977377695656921159134767346873653398136539684418180599623081557535945501067894943373855477473959207225269169163782132844521534243026128556678219789257746583282931897461191407546030413647255759402250256826842787696844497530276841592505822748571032987478962476575152793860683990530493174135540917976120622553631947299809794742071812710161579386120002526009281247917282044587416001
 . . . . . . . . . . . . . . . . . . . . [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)
							252ee8c3076f169157904b7e99be17ec021d0c70
 . . . . . . . . . . . . . . . . [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 '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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