DV SSL/TLS Certificate for effertz-malerbetrieb.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the effertz-malerbetrieb.de DV SSL/TLS Certificate

This certificate with serial number 05:e1:5f:75:7c:d6:45:fd:23:f0:e1:7b:7b:c7:40:66:48:c5 for effertz-malerbetrieb.de was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for effertz-malerbetrieb.de provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:e1:5f:75:7c:d6:45:fd:23:f0:e1:7b:7b:c7:40:66:48:c5
Serial Number (int): 512251848906339681219633213243313338337477
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 26:64:af:c9:0d:b4:07:54:0f:9e:0f:84:22:c4:6d:2e:b2:d8:a4:34
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 5b:fb:f9:39:c6:9b:7b:60:b2:89:a9:0d:67:7d:cb:79:60:19:97:33
Fingerprint (SHA-256): 76:4e:8e:cb:a8:83:65:aa:e2:ab:99:19:59:35:da:5f:53:c3:5d:75:90:16:22:de:8f:97:3f:d3:24:64:48:a0

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/70.crl

Check the revocation status for certificate effertz-malerbetrieb.de
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for effertz-malerbetrieb.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for effertz-malerbetrieb.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFSDCCBDCgAwIBAgISBeFfdXzWRf0j8OF7e8dAZkjFMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTAwHhcNMjUwNjA3MDk1OTU3WhcNMjUwOTA1MDk1OTU2WjAiMSAwHgYDVQQD
ExdlZmZlcnR6LW1hbGVyYmV0cmllYi5kZTCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBAMSywZ1K7ly3HhPOONcwu8/lgH4B7SIs+WMcat3eCkmHs1h2O3Wf
gEiUyHLm78n/9an+U6owLkTw0YWWZf3gFZFzXINvhgPk6Wx7FqmlnFkCPUhTx17r
6a0Bq7UfHFwRLTpXqI30Z8ZdlBR8x/sHfnh0iVpdSkACXCKtSKSlZbfy0rJWITfN
rC1vHzyfo6bFSm2yNIePhl56zwjegscDpD3DbPTAl5XDqOaCsbEA9Gbw6qUHTqNE
QJ7YTBobHFpVKbZqEEMKtWc6a7SkM4lQWfKbjXBwTlBpANTTrPM9nEk5Zi1HigTf
i4fp6luSDCk0zxc1C10boELdIp8gJvb29E8CAwEAAaOCAmUwggJhMA4GA1UdDwEB
/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/
BAIwADAdBgNVHQ4EFgQUJmSvyQ20B1QPng+EIsRtLrLYpDQwHwYDVR0jBBgwFoAU
u7zDR6XkvKnGw6RyDBCNojXhyOgwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAC
hhdodHRwOi8vcjEwLmkubGVuY3Iub3JnLzBgBgNVHREEWTBXghdlZmZlcnR6LW1h
bGVyYmV0cmllYi5kZYIfd2VibWFpbC5lZmZlcnR6LW1hbGVyYmV0cmllYi5kZYIb
d3d3LmVmZmVydHotbWFsZXJiZXRyaWViLmRlMBMGA1UdIAQMMAowCAYGZ4EMAQIB
MC4GA1UdHwQnMCUwI6AhoB+GHWh0dHA6Ly9yMTAuYy5sZW5jci5vcmcvNzAuY3Js
MIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHUAEvFONL1TckyEBhnDjz96E/jntWKH
iJxtMAWE6+WGJjoAAAGXSgrAhgAABAMARjBEAiBKK4ZcgWcmQ8E56NZw6iaKqEz7
j9Ut8P9SqN9E2DmUVwIgPsyRRo49VrzlDRQPlGp3+YDiuQTtXL8MAgcMwXm/+0wA
dwAaBP9J0FQdQK/2oMO/8djEZy9O7O4jQGiYaxdALtyJfQAAAZdKCsI9AAAEAwBI
MEYCIQDpZWM6S51t2t7Q+YUPIS3Ia1z03ZKSO34vrugEaoRmLwIhAJK6DOmQ1oLm
0wF8t7cX3gO9rTdFpY3us0EzH2LfCy0XMA0GCSqGSIb3DQEBCwUAA4IBAQBrYQWW
uZEVFZ9O2ytvQ44YYQzyCdvXMca/aStTlkJZIEc6a7e+Z2M3TUOKDUUyFj21rJtu
t9mPi/7QT+9GCD3xjlzajA6nvRU1BZPbHOwU7iHHH84sGxC9BSkmvF/+d7euKaPO
ADKqRYWESkI7i0sfk7wMx4Ysb3XtQW/9enp4CD685hlVPcdpoXYFPuG2R4gRfDiy
H+KYn1tOp9rqtqdJV7BHTCSkM6F0h4Yrzvr4fnNFv4fIYKNyJBv3tLNyLn8EvRMj
pCqTLoVUmrCWTjL5+EEA1iXw8FIuDtGiTsNolp1MYf+SwDvQEj/ka22n4KbrlAQl
cIcWliaGJnxFJqRF
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxLLBnUruXLceE8441zC7
z+WAfgHtIiz5Yxxq3d4KSYezWHY7dZ+ASJTIcubvyf/1qf5TqjAuRPDRhZZl/eAV
kXNcg2+GA+TpbHsWqaWcWQI9SFPHXuvprQGrtR8cXBEtOleojfRnxl2UFHzH+wd+
eHSJWl1KQAJcIq1IpKVlt/LSslYhN82sLW8fPJ+jpsVKbbI0h4+GXnrPCN6CxwOk
PcNs9MCXlcOo5oKxsQD0ZvDqpQdOo0RAnthMGhscWlUptmoQQwq1ZzprtKQziVBZ
8puNcHBOUGkA1NOs8z2cSTlmLUeKBN+Lh+nqW5IMKTTPFzULXRugQt0inyAm9vb0
TwIDAQAB
-----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 512251848906339681219633213243313338337477
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-07 09:59:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-05 09:59:56 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'effertz-malerbetrieb.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
 . . . . . . . . . . . . . . . . [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 24830855793328459770586157959224529210897176986493452666027547020547111181552597768207372457675918526754652652724271894237224127289889067070213452914468381229261279365473101161992915068499753366189987781019710754848564675299832380795939059343769087392500065497585271105201309942279103367901559721083507196090352483496831075625917962862783829730101693380294789760944397048776098242223951044623275140666517338824155080283707541422166672456283732231243989477105912554668549846346748814997177606423766008978921811162216665032184120551214419270718085618398919979419317039418894856672225178393439699779886673861387117589583
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							2664afc90db407540f9e0f8422c46d2eb2d8a434
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (89 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'effertz-malerbetrieb.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.effertz-malerbetrieb.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.effertz-malerbetrieb.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/70.crl'
 . . . . . . . . . . . . . . . . [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)
							00f000750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001974a0ac086000004030046304402204a2b865c81672643c139e8d670ea268aa84cfb8fd52df0ff52a8df44d839945702203ecc91468e3d56bce50d140f946a77f980e2b904ed5cbf0c02070cc179bffb4c0077001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d000001974a0ac23d0000040300483046022100e965633a4b9d6ddaded0f9850f212dc86b5cf4dd92923b7e2faee8046a84662f02210092ba0ce990d682e6d3017cb7b717de03bdad3745a58deeb341331f62df0b2d17
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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