mkb-steuern.de

Issued by R3

About this certificate

This digital certificate with serial number 04:8e:00:26:92:12:03:bf:b9:62:33:14:5d:e0:bd:0b:ec:48 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=mkb-steuern.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8e:00:26:92:12:03:bf:b9:62:33:14:5d:e0:bd:0b:ec:48
Serial Number (int): 396769440099753942015455587746786461871176
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e1:df:81:9e:1e:79:06:f1:c1:d2:ad:80:ec:2b:dc:cf:44:6f:f2:f9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 34:2b:ce:50:28:32:06:0b:6d:c1:d9:c4:15:64:e9:14:13:9c:cd:41
Fingerprint (sha256): d7:df:2c:41:0b:69:31:6f:25:c0:61:84:ba:43:e7:f1:89:ee:ee:40:00:c4:33:57:3f:7a:15:66:22:13:da:a0

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

Revocation information

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

Check the revocation status for certificate mkb-steuern.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mkb-steuern.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

mkb-steuern.de

Other certificates including the domain name mkb-steuern.de

(limited to 100 certificates)
www.mkb-steuern.de
www.mkb-steuern.de
www.mkb-steuern.de
mkb-steuern.de
mkb-steuern.de
mkb-steuern.de
www.mkb-steuern.de

Certificate

The complete raw certificate details for mkb-steuern.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwYiLJbxEwPSq6wCz085/
Cs7BMaZtg4U/FQbGvhhqYQiFppc81jwR59ZMb78qQIgcNrdocTk2vzrbUL7j5yr+
fStIp3MpyQsrqYTDgs8yjEZGpoh+WnG7SZoI9xKwwQGELFeWpkbMkd3dhwOfTUCE
TMazjSrNKg2W1P4Q1nLBbkT4KY2keLKQoQCzbQy5G3N/wonGWl1ezxrWBHfjodb/
/y04sfiVklWu/v4zf+WScsCPWTgCgmvcdZrwSMPH/VRsJ3x0+JPcHwb4jfSzoKEL
1H/qZkMXqVRKEDtxsHjDyc9rN9zrzrUB1g/Wb5z1Y1WY1CHdsZEOnNKfsx5lpeFa
0QIDAQAB
-----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 396769440099753942015455587746786461871176
 . . . . . . . . [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 2023-11-29 10:15:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-27 10:15:54 +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 'mkb-steuern.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 24431324989768279750820789054462649145018043371645826471043284282338807638723434397839973410714031618142981011221290959047564411633198374146813344019228724071975540546889611091237576441643689331733306541636796100327353472238383417972555800585274557566947915541860099396354706001653305119192501550762870286915562500521720635381757940788409340525254294612635515711220102437514356498224633759676444784270104410119634763830319620293484154863616212175781297198637200331404020654208056345342314992008912879491801555581953700556385081995960035989158338607328232922760065025854417740054938423776436701233720315588846454659793
 . . . . . . . . . . . . . . . . . . . . [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)
							e1df819e1e7906f1c1d2ad80ec2bdccf446ff2f9
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mkb-steuern.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c1acaee880000040300473045022013f085b5b1539dacac721ed4cf3a9044a45104bba757fb2ef0b3fba42a775e9a022100c534efbe057765bf0bcd3f29bce85e21a108d0fe1111f4a4e77e77abbca0645300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c1acaef3d00000403004830460221009f99af4fa333f3ab471d29fbc11d0ee2e1203b0c0c7021183c3eff1398dced52022100943fb1631362376694f6dcee6fe2861bcb03ff3f715c3de6ea102d54486258f5
 . . . . [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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