www.elektrokolb.de

Issued by R3

About this certificate

This digital certificate with serial number 03:43:bb:13:96:20:a5:c2:78:b7:88:80:33:44:ff:d9:0a:0a 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

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): 03:43:bb:13:96:20:a5:c2:78:b7:88:80:33:44:ff:d9:0a:0a
Serial Number (int): 284384443712783750298381868802513611328010
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:9d:39:e7:61:04:59:58:58:db:2d:9e:ac:9a:85:40:25:b3:79:7d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 83:d0:88:79:d8:aa:2f:e7:1b:fb:9c:50:a3:95:05:38:99:6a:42:f4
Fingerprint (sha256): ef:15:35:ca:5a:42:ad:57:17:3d:3d:ca:ac:06:a2:56:d6:49:6e:d7:4c:15:e7:eb:90:4e:c4:6d:d9:58:77:7a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.elektrokolb.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.elektrokolb.de

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.elektrokolb.de

Other certificates including the domain name elektrokolb.de

(limited to 100 certificates)
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de
www.elektrokolb.de

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoDdPYo8R6zVnlV/32cpI
O8YPkul4/Zt5uI7cHhn8Z75KrI+59x+vRFkdjA8DIioIOWUk+xPvKIOSmR7X8m01
4jm/2FZrdfl6w0AgLoNM48te3P/qh9lGvEbUuMw7oSheejSNl+YseJCYeXJGUZnX
LKgcEP/1yM5pyh/b65uZJJMpkwylKT89ngKly4ugGn1mxg4yPrQttp/kWv4SglKx
gVL69r4UN30Ryx6yOOF8ARQb51S6+hyUPOBEktlJBu7erz6vDAGlcfndRU4Iu6eE
Rfm7wz4ooFqeKGNws4fYBXBVCzouHnwAIsgbvHv421uKAo+ufro/R15LLflGtEes
gQIDAQAB
-----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 284384443712783750298381868802513611328010
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-03 05:19:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 05:19:27 +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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20225403220246918871867794542538701272325331579002965704532283889068355166874457159855471838558947481034925893109140151873651332059885075431331923754698178048092033087383225257418967488435910876157686282740460132906832896712189848350691090503189509915515116528245403050090804681332260027799443608602586025578675992548743502378818350637468483168020713741448683855742153435093843034085514138559191818214917394923920229513854247439496403435539599441617893732452099856405320487417240676663089847601857281829821988398479504510536526744722719521125868720007564251050366162960729714771544030957594007257560264190057255513217
 . . . . . . . . . . . . . . . . . . . . [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)
							3b9d39e76104595858db2d9eac9a854025b3797d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c2e54f5060000040300473045022100ecf43e5752f70d85546585a5d25cfc5981ee15ac261e8fc68b6f4b4910078d43022003b4b1f4495371c69b1eac4bccb6f751c9eab014601e98e3db86a89ab58acd7c007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c2e54f50d0000040300483046022100f989048138d001a26d5492ece7ec8a12e312592781a346c471f3f661ffd2800a022100cd19e77564e7e371fe171c1d0d7229b5da27c9df9780ecb429ed4a9dfd638d96
 . . . . [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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