kopp-online-marketing.de

Issued by R3

About this certificate

This digital certificate with serial number 04:ba:fe:e3:e6:74:74:66:10:16:bf:8c:48:31:b4:77:3e:e8 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:ba:fe:e3:e6:74:74:66:10:16:bf:8c:48:31:b4:77:3e:e8
Serial Number (int): 412080471210832496167361750379156500594408
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 43:ad:8a:4d:22:12:60:1a:28:8d:27:3d:82:39:b4:3a:9d:d0:51:dd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cd:90:86:db:d2:4d:12:22:44:1b:a4:f9:27:f4:3f:bf:a3:5c:6e:ed
Fingerprint (sha256): 34:70:8c:ae:46:37:92:87:73:71:63:e6:9b:7b:0e:e6:a4:07:d0:0d:a7:75:a4:0b:61:fb:d7:38:a9:07:02:1b

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAotpJfBdDAkkrrR8vUdlE
0EKkYHBmsdJI4Bs/kBJH9CLZ2Wy4WK9aIBaQLhQIqGjbHGHE5+dJHbyET//Ph4kX
a32EIdz0xiKuga3wXFNfjn+c7JCyQqlArIlSUGacZByrFpwvYpq595Hmzc4yoHOX
upJh/SN7uFeSbju9AoZ9lflduA+qQNukQG53fkUyaJa3ELYAxNj/ebHRRXEhYpxV
ps1zo3qkvKl934unECRaHvaIf6MO4nPp9dPkv8MmzHDAFv4sUnk8w9WNbt+CO3L7
Qs5sUhNWW4LPIdRTAYEUF2X8YMrse4aPLVKWl9pgN4c59ut8MznD5ynzqdrmeVN6
iwIDAQAB
-----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 412080471210832496167361750379156500594408
 . . . . . . . . [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 2023-12-01 16:33:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 16:33:05 +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 20558246760569842379666127708782710392457221242863801244684703541140135215070256932166198693873652129704510934658815926514223296621323605669955800950616651351748801867221614541868802780995051104468423477402956925062050023017786720806538092233627357164586105084117596790154168744477353721652661076449861983461528440349347312637788553479370959257547814296419191139166738448102036377075160442307874719762849627330497694805984059974177249950110697394963303533956469182104499998627889629650538444785030027802115845260942824172351118476086845515682126882282085208537505134064737250295080103019479975644555368515338708941451
 . . . . . . . . . . . . . . . . . . . . [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)
							43ad8a4d2212601a288d273d8239b43a9dd051dd
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c2670f5ae000004030047304502200e8cb580ee12f27e4264c4c212fa4a706a8897be96f327bf9b543dad80cb9e95022100dea9f3c210077528854dc224eca1d42dd67bfca76efcd497874d4f94152ea065007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c2670f60a000004030047304502206b2ac66a71f81b9a1517fa4d98c67e55cb0b8cfe1fdc7206e2a3bfccfebdbc99022100fc6023d699eb464ba5df6c1b035d408afb55f832eddf622f72b72cb4e9ffaf67
 . . . . [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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