www.elektrokolb.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6c:16:40:22:1e:6e:25:c5:37:a6:d3:2c:c4:fa:3e:c0:cc 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): 04:6c:16:40:22:1e:6e:25:c5:37:a6:d3:2c:c4:fa:3e:c0:cc
Serial Number (int): 385229215369421415430965352611133943365836
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2a:1f:55:21:38:d0:c7:87:8b:2d:de:2a:93:67:2b:ed:72:64:02:ce
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:1f:2f:8c:62:ae:38:f1:0c:3c:f4:94:bb:f0:28:1e:aa:96:84:d7
Fingerprint (sha256): e8:93:45:88:11:94:f2:ad:81:d1:8d:b3:19:65:08:bd:bd:d9:c5:4e:b1:3e:76:b5:fd:f4:12:e3:e7:6c:ed:1f

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 385229215369421415430965352611133943365836
 . . . . . . . . [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 2017-11-30 22:01:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-28 22:01:47 +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 842087002575022555596752165499701841726007841091018031886187063654787975854540267397508044734810507996247595696613025719847672496533156309512638239171912798605080501562498844610411715385375404965956320162314314552202233738127361099207809120656295262019714428022706603246165922472879251884774836351218260472746456829640007568795910537129809210405775324508465759366247147214904396110474333371868752911305557945133023774277545737105253101495833486137386288998551223014665746354019550783751838589919067074919622233057273488979609925348456870972898793933662697621394011083888930102249234363103466104703894217441215057942413490748028747175847159583091938015499091798267116937190110280107647356383637408117331249322472490162301656152608559050325237698736240751515720184360771854776739253095521646207759651468020414535258931454016506378948846480486437572849821002799161558136423362892942128137986055573271993302503385629011619803143864482348909449325993463138873748634920116123165778890854995918786261849205983030949851984035674827255462291764630128563810210669070365147764871174180045746517612045030266771426097780109826240391198831227371050660553325468484051398380229540382173251379193911665908646517810479848635127682994080330322268327091
 . . . . . . . . . . . . . . . . . . . . [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)
							2a1f552138d0c7878b2dde2a93672bed726402ce
 . . . . . . . . . . . . . . . . [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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