www.elektrokolb.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:70:51:36:e3:37:62:cb:a3:0e:df:84:68:6a:45:5d:12 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:cb:70:51:36:e3:37:62:cb:a3:0e:df:84:68:6a:45:5d:12
Serial Number (int): 330563473505056752521586871943898996235538
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f6:3c:bb:37:b7:ed:5a:20:5f:27:47:cd:47:9f:17:67:de:47:04:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 42:c0:c0:9f:eb:d0:01:6e:31:a3:2b:56:e8:d4:47:76:29:fc:9c:31
Fingerprint (sha256): 45:33:9b:22:5c:e7:ff:f3:8f:8d:6e:df:f2:62:2f:bc:d8:36:7b:ae:17:5c:b9:c5:b3:f1:86:6d:a0:78:11:05

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 330563473505056752521586871943898996235538
 . . . . . . . . [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 2017-05-31 06:25:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-29 06:25:00 +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 887226946342337158646446872719389591071770580071638479457614462187055256001682074568398157135284504120298972981993307445119096373818480121339698608794574689001716946834529767106058118105524121037376174857845139553785978514457259192756169434247312725684458121759816095406879343302095456814944058458975527618763609850190639997275909421624397258892076480827021193823079313604956377123922513248533222285284405041987492045596619284808757551782426989659163437511616974205582915814837472396056685235787612557506313783303048211200217549757423653404000562476159160920177003042972176603144551283499160823072764394051760961165583483065674570336543519484920494277134347459544170037925587662513001894724869428480501464766648852468477777350432444647517584336341396810301274777948091369797582996770819556591800076254994428501637794495703804913943843477643704800632897495270438787458352853871062320886913235551032952343327427248330476236589466829926740491413712478264124484111983403808946834385461411397777527716606603688180919815340247442256361345903230164667566070349691862056258290081680158179322277818859886688303294737272593023426755005424259769126132178115213669293473555850903850838145975948907768864020382717460797948314426269258541956453831
 . . . . . . . . . . . . . . . . . . . . [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)
							f63cbb37b7ed5a205f2747cd479f1767de4704df
 . . . . . . . . . . . . . . . . [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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