kopp-online-marketing.de

Issued by R3

About this certificate

This digital certificate with serial number 04:30:22:23:00:42:f2:5c:0a:c9:9d:94:fd:2c:54:1f:b7:2c 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:
  • 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=kopp-online-marketing.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:30:22:23:00:42:f2:5c:0a:c9:9d:94:fd:2c:54:1f:b7:2c
Serial Number (int): 364828072826796834061819738874405359433516
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 87:ef:71:31:ab:8a:ff:cb:5c:15:dd:ad:c4:6b:58:ea:5e:04:e8:b4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3b:ce:12:e4:c0:26:d1:18:ad:a6:f1:0d:2e:29:ff:6b:b2:e1:b5:66
Fingerprint (sha256): 56:81:44:87:ee:36:49:d5:a3:94:8e:5f:4e:98:e8:af:a1:e7:1c:87:f8:40:23:e9:3e:4c:02:83:84:89:99:2b

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

Revocation information

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

Check the revocation status for certificate kopp-online-marketing.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kopp-online-marketing.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

kopp-online-marketing.de
www.kopp-online-marketing.de

Other certificates including the domain name kopp-online-marketing.de

(limited to 100 certificates)
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
www.kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
www.kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de
kopp-online-marketing.de

Certificate

The complete raw certificate details for kopp-online-marketing.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0iI6m3pVm0PshgCa5JtB
PBP5uabKLzyUgOuHtzPNsu4YRKm/RyMv01izucfKieHvc2R8TpdN++VgaqwHU9lb
drMR6hLhoyHqGlt/M3WYyQPaT3d9nwwNgldIQCdKE2EDT0OH3hCiP2e/PoayBOSb
u/hl3pRvnQlcwbp1JclMfxU8tPPkR7Hj0VQ7qsOp2s77RunDTSWnTUD5AvDI37IO
CyykSHut+bI55eiRxETqo/Xkbel2w0NhENvBGkQEMwxwcIqNAUzJqpaYypP7NgnR
pWbMCoEtMmmdmNFtbUB++CAt2x5Zynq8/jr5C9MjuOz6dT8wV/YlMLkQ5LjZzV/R
lwIDAQAB
-----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 364828072826796834061819738874405359433516
 . . . . . . . . [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 2023-10-02 17:31:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-31 17:31:21 +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 'kopp-online-marketing.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 26526922959759322084215069497894699735216179484648063525716689239384935204757894140288315725138428119249861600877719081690390953663954180727426884081703378911870461985873470799181615542756745863548436539464470733115420643781449801896880092617471999325708009831680433800788213481957821889993015508509557350306493875693841052841508961885052841731846176161009533719683984626665458922576409612522721595886456739369002128439948175414124884834944775212569760659036344258739041437130756839548453096962180132266207018363467322830392720181025548337169789766104479366066966805645104569089547443069727797135060421287225335992727
 . . . . . . . . . . . . . . . . . . . . [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)
							87ef7131ab8affcb5c15ddadc46b58ea5e04e8b4
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kopp-online-marketing.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kopp-online-marketing.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018af1a8bd6a000004030046304402201565bc9be9077cc6250532730a981671bde62b6baf48745da9ae9836fd7508a602205846bd64bec375bd9acdace45da96878b855d8365772c4de266fd3e806eac8bf007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018af1a8bd710000040300473045022013f5873cb343219ea14f2d0e7aac23e204b1b8096bbaa26185421a321d23b1b0022100856bd0b0fb6c48e90475e770d442f76e4e1c5a7c44178dc4b6fc1987fb12166a
 . . . . [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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