karstenbrand.de

Issued by R3

About this certificate

This digital certificate with serial number 04:3f:a0:64:c5:87:0c:fd:37:47:6a:b5:46:39:02:8d:4e:7d 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=karstenbrand.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3f:a0:64:c5:87:0c:fd:37:47:6a:b5:46:39:02:8d:4e:7d
Serial Number (int): 370100132558406063605318202708565997473405
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 69:cb:76:94:79:28:62:ba:87:85:19:cf:f0:dc:19:0f:cc:b1:ab:25
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 91:2b:7d:57:93:7d:d1:ee:c8:47:eb:cf:37:ae:e0:3e:da:af:ed:47
Fingerprint (sha256): 2a:04:9b:e5:18:d6:c2:5b:8b:ed:e6:87:a0:49:d6:dd:b7:73:96:28:56:28:3e:5a:cb:c7:af:8b:17:ae:a6:8f

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

Revocation information

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

Check the revocation status for certificate karstenbrand.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for karstenbrand.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

karstenbrand.de

Other certificates including the domain name karstenbrand.de

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

Certificate

The complete raw certificate details for karstenbrand.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAupYgsN65rr76ZkI4PHx4
5cCL+hevFdCHyMIP7QDzHT9psdzvfQAFzIWTJpLiC+3CtJ8tE4HjUKpYLoUG859P
pT2T0gnRWsSknvCs5rtHT3Ngmp/Ck9wO9LnOi/FqmQ9/hE6e3mYrRE318Ja6unqP
hhnZS1RXb8R/AZkt8xAfPVSeT39Ybm5wPC/cWYag1k7XhvbNOa03JwzY2PaOPnjr
4heAB48yfTKaOKf8lgTKT5PW3PmXMod52W3QcEtTdnYke3as3HkopZhDRBXTwXGv
/1Li44qUzNo5OrBxDgF8uVwfnNYRYrrIgEv6FJB+wHRMIPtUSMHrdSJjiWIkSsF9
wQIDAQAB
-----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 370100132558406063605318202708565997473405
 . . . . . . . . [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 2024-01-16 08:10:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-15 08:10:01 +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 'karstenbrand.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 23554355451139196701738682058250447158972318156104256502123299995973846299452979160025626577310911560962296354266234920693425652197307199311058744950429650076707586054977740635545693557141425801141602913505038222779648462527849592830156183585887436116911555713243768542040786438674206306241070287972502319759325015494700680181941409182908042621317091459529401567708518335532349957443600071639045671996325344183338569632771143943553187099345208228862195172021037072920092700460913808534875420863357736076456244013008727059399210765031163350729175065297363059049546701604263347822801258947482583453051713156099996745153
 . . . . . . . . . . . . . . . . . . . . [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)
							69cb7694792862ba878519cff0dc190fccb1ab25
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'karstenbrand.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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d1188eb250000040300483046022100f0de3561ee8c9eefe4f6280ca853799d3a8df0bc2a77fa27a4a531dd0e9f583002210093bdb556bc00ed189366e0c2505a73c14c13bc54d3b787a152558526ad5ee21d007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d1188eb9e000004030046304402207d77f181a3d25bc08f7e5521b5b33c4ae7a7e98bcf3a1af0f7de2824d61ecf2302204fb63142264c96e1ddb9eb5f63418792d2f1dacedd6ff5120f5990d7d5105025
 . . . . [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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