www.elektrokolb.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:19:42:0b:a3:ad:ec:5f:49:f0:55:1f:f3:b3:ff:61:44:ab 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=www.elektrokolb.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:19:42:0b:a3:ad:ec:5f:49:f0:55:1f:f3:b3:ff:61:44:ab
Serial Number (int): 269931706451103841026798444844252328445099
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e3:8e:d7:31:fe:e4:1e:4a:e5:1e:07:c9:de:60:49:4f:76:e7:3c:99
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bb:cc:0f:71:af:e4:45:4c:ce:09:55:11:68:e5:46:9c:53:c3:ac:87
Fingerprint (sha256): 31:2a:5b:d1:a7:9c:5f:0a:bb:22:fb:dc:ee:d8:2e:0a:d0:9d:3d:a9:e1:d6:80:53:1b:49:d5:5a:58:24:d9:33

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.elektrokolb.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.elektrokolb.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

elektrokolb.de
www.elektrokolb.de

Other certificates including the domain name elektrokolb.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.elektrokolb.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 269931706451103841026798444844252328445099
 . . . . . . . . [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 2017-07-31 21:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-29 21:03:00 +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.elektrokolb.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 830470445002078757431825507716490275427402416582175252632408554708175771615474020911662286760057106521549611836729035789491184130218777022264455113976311338285853316180099977456669965386081428551882304183619664466596963446641559994049460213100629153373705775938170677144781692361507336282232122379562909586520045556990819168820996842461631579608722881096414339927545407949435940905002931667569669107859619785226683613851279343875246642451233226360800798547394788271782202759033181290245782068990201823730852007017147279436777815240335777009324618818984319208742800374061238263228114393675268000278389976748075717746061288857496453419830755328798695550269078617413685462279624794254887481000630697118458498229522734151151245574206964061034750530597497901247630056395844930747555592942703283812542585422839288321000886515361206753856357429079372534116635722273038614903039231966519269306560284903705076955054201198355150523956600334202270919054414579701921462722144786894794323137203254100520525663937022631239882389859431577174079489528939294034817326778236629336771159661600739857409518649587466196298102301621990114981778631548653613244220599960235395709953341213100402920061877724012096896006576398410400465498557933497755114697701
 . . . . . . . . . . . . . . . . . . . . [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)
							e38ed731fee41e4ae51e07c9de60494f76e73c99
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elektrokolb.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.elektrokolb.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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