mkb-steuern.de

Issued by R3

About this certificate

This digital certificate with serial number 04:ac:ba:d4:e2:75:42:6a:97:e1:19:7b:3f:ba:9e:11:f7:d2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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:ac:ba:d4:e2:75:42:6a:97:e1:19:7b:3f:ba:9e:11:f7:d2
Serial Number (int): 407226052604707226351474610763825415321554
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 33:e8:68:52:ee:16:a2:e1:d7:87:dc:b5:06:42:0f:c0:c3:cc:ef:68
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:40:bc:16:5d:da:fc:aa:bd:ee:40:4a:55:eb:ee:bb:9b:6a:45:ad
Fingerprint (sha256): 31:04:67:f3:13:1a:25:8e:19:d8:05:d7:6a:d6:d5:87:c8:e3:79:10:b6:36:c8:3a:df:83:56:7c:fb:3c:f4:8e

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmh5MlQVYo0+n3gyCP329
z7MoZLNMNxr2LdXzWu/A8NaIduf4EQTZDIbwEFlcv1fjh732LQR+O85+A5CYFTlL
6y9Cgo6CBstpkZLVn+V15Gf1AGwOawu62+GFGyBXy4kAU4QzujYCFgnxvl9OXhU/
XzuXPd2M3cdgruhdtOLBZNxOYv4WUb0ErjJYeHgX8murxzzKX2UqOuNiZti3Zl+K
7yxLm1h74ENab+LGbCWDjOM2hHzpkYrdPnyvlIvlA7ZQerQbeTKqsjx6qybue0Gh
zDB67rJQzYpEOvqtD5ECWe0iUMcrlrOhAw8WmZm9XpSziZl0Zvje7tyj5SILiA+X
dQIDAQAB
-----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 407226052604707226351474610763825415321554
 . . . . . . . . [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 2023-06-26 08:39:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-24 08:39:12 +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 19455640031946083136524543523042578162780229333732950308490704170712488320385602818099198356193292926660908208865635573718685007118646528279253824764631306873033744365808444359768300920124457919675932864829438784376031221064114194550117603168773846358495792214357280013480811120327575902583853566335487577348471423029405569163959324622420582120893206716262493182531430046902768213661314463682764502074764135129841404383481348406199309986012419785697730074656550662939482468515162705933119715212194945973947258917585790655277036521284130521958828712432235043116848803331676708924188292112793692893927288282744500492149
 . . . . . . . . . . . . . . . . . . . . [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)
							33e86852ee16a2e1d787dcb506420fc0c3ccef68
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188f71255cb0000040300463044022023f6f202b5335b93affe26c8ce23c09561a1e8b0eff477ba7c9386144e74424c0220339ad60a5caefda4cbb263a9173ffd716e1ddc17a6a561c1f3e8de15f0c538cb007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000188f7125601000004030047304502201184852dad2ae4923c4144ffcfbd19fc63383a67ef2bd8084ef5f20df9a98614022100db70bd20078193de369eb58d71d46d1050464359edfeb2d8e8ffb4b3e09ec054
 . . . . [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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