DV SSL/TLS Certificate for greune-haustechnik.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the greune-haustechnik.de DV SSL/TLS Certificate

This certificate with serial number 05:77:b5:53:b6:2d:7b:da:17:47:21:5e:87:de:b8:68:ed:51 for greune-haustechnik.de was issued on by Let's Encrypt.

With 2 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 greune-haustechnik.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): 05:77:b5:53:b6:2d:7b:da:17:47:21:5e:87:de:b8:68:ed:51
Serial Number (int): 476296056245271384038658999132749168176465
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 64:83:80:23:66:dd:95:fc:69:86:5e:4f:b2:78:aa:e1:80:f4:c3:99
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): f0:1b:d3:ee:4a:09:ec:41:8e:7b:88:00:a3:74:8f:db:9e:68:89:ea
Fingerprint (SHA-256): e1:b4:87:31:b9:77:14:ac:95:56:e9:3f:6a:06:53:1b:5f:00:d2:15:a0:12:29:fe:7e:1a:ca:3e:f6:92:d3:08

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/82.crl

Check the revocation status for certificate greune-haustechnik.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for greune-haustechnik.de

Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 greune-haustechnik.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGIDCCBQigAwIBAgISBXe1U7Yte9oXRyFeh964aO1RMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTAwHhcNMjUwNjA5MDg1NzI0WhcNMjUwOTA3MDg1NzIzWjAgMR4wHAYDVQQD
ExVncmV1bmUtaGF1c3RlY2huaWsuZGUwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw
ggIKAoICAQCrXtrBBhtqfVaoL2VxcH4Zp8z3/VeW1ko/oMTVnvdL77G3y8ydrWb3
jWHkJZ03cqAIxwfvFGJoa0k5LWS2rIil0AaT75LRJlAqcxaiVxQPqSNbTgTr2/oV
BTuWuae3YXSluczrYI+mLvwzadMEiwe0ROvRcM+DWhoeHyc7HoXW0LdhHCV+s/H0
U5N3y55eW7c4807ZOVjbpESCo++4mw61fIqRsfvanTHSlC7x51K+I6bO3VpDH018
/LvILJ+IKE4Xcv0XgojtinPITm5n+4RztRpbYvCzaXZMyaFcTpggh64CqBDMIiqj
/CuAggK46YJaj8ISMPEYZ02RQli7pg8uf0XvRQPx5H1w0tpQKEN00z0UEQrcN6yh
1zsZNE5jfVmC/7VZWfjTtEs7ibE0mSWBRSYGv6FNt1OeALeYzOoeIzwfUozVd3w0
1aoxyK9nB36bvnr1QMV0EQc9rSXKZG5n/ZP0ls/joWNrBp7w/k9ykJQjIwWFrA+3
uu85KECShwQ8vjid9JN7KXwO8N/CzRjI3pl0be7GtFrrUHPKC5aZdVsuo1BwJ5wl
W5K97pNX4wZycQfcZl3DxM0fElNsNcbJZNLgkhDVkV9Syr9+X4nU60yEJekdohmU
X4iykZxgFQ3zTWMNwU+jI8kZPioBz/XWuVPT0+B4HrWD9VE3vmWR4wIDAQABo4IC
PzCCAjswDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRkg4AjZt2V/GmGXk+yeKrhgPTD
mTAfBgNVHSMEGDAWgBS7vMNHpeS8qcbDpHIMEI2iNeHI6DAzBggrBgEFBQcBAQQn
MCUwIwYIKwYBBQUHMAKGF2h0dHA6Ly9yMTAuaS5sZW5jci5vcmcvMDsGA1UdEQQ0
MDKCFWdyZXVuZS1oYXVzdGVjaG5pay5kZYIZd3d3LmdyZXVuZS1oYXVzdGVjaG5p
ay5kZTATBgNVHSAEDDAKMAgGBmeBDAECATAuBgNVHR8EJzAlMCOgIaAfhh1odHRw
Oi8vcjEwLmMubGVuY3Iub3JnLzgyLmNybDCCAQMGCisGAQQB1nkCBAIEgfQEgfEA
7wB1AO08S9boBsKkogBX28sk4jgB31Ev7cSGxXAPIN23Pj/gAAABl1QeMrkAAAQD
AEYwRAIga1u44jFJmd/LbzPnna9QzIocDdM+FQcuI89lcazD7W8CIFyauDcSren6
EUMpBgFVUYRBTJrJBI2N5F39VClQrgU6AHYAEvFONL1TckyEBhnDjz96E/jntWKH
iJxtMAWE6+WGJjoAAAGXVB4yuQAABAMARzBFAiAWmFo9lyA0+N9qf3qdD/Fv5se7
welb5BTLHuMjwB3tJwIhAN0crJ26z+ba7ijFhxh4v4Thz3kUMDrfr4cKZ/BBHI2T
MA0GCSqGSIb3DQEBCwUAA4IBAQBU92lG5J8gBUMdUZdWy1Mw2WVU8VIn+DrFxsTZ
MXgR9+ytwXTvMYz0hUTdH2Nk3ird0fjF4RiY+n7pO0wN0eJdK+SmZjgE3WEHei1w
GegMT8kl5J1N6qDHFXFtf1pYfxlRt+sSIAnt/vkhNv2zTolJe9ssln4TLuFD4yU+
feqUcRVXko2PiB8d2ypwAU89JTjdS8umirYpema42EbFd2FEg1D/pRnIkpzYYXCM
GB9x6mEmeYjgnVnnjTpVLIS1j0rdI5kEnYQCSuh2P86Fd6ONZHas4QvdE9hwToa0
zjwB3erOqCF0yb8IxyHcmzWyAXOhgAVy1dpAHV9zF7DfE5Oo
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 476296056245271384038658999132749168176465
 . . . . . . . . [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 2025-06-09 08:57:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-07 08:57:23 +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 'greune-haustechnik.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 699130747467821635551143909478711223837280272055293693182350721012018879544974842639092837488292450546221012891924989654792243102053868666972327390525950300703930314173303040164961715934951939062348880429878009115517953097054947506597043983967309496683052467910230417005659710410769235919592329157916288086000573506207761158062419689502183590004252641805824969937623080522611792520592808324406074720777918920596163514745531709258920532182927448119544719230321955166050955328156920987015553216011812513378405819025052156163569444666584487579972995460022375202930636210863434441938849153728077838939541842858340375573506681341458425759406325309827780887967154561876532972383121652648834438025040739932699358236900903530798128102104374924929473755836898986475779866679231515728650890767818148660631744501123912203636803036804498659421248162456382859260550241537455683205413987026137864679936023162508650312152971364847921661861700420058789600876914737125509014317574543834224409434210433012775408553955380213949787223721550633924805589204804112631643459326131576126376820658299773790093528532217525995750235839093796633003487672114009757424913518472216673934688953020182571487998525263663933217260360999353420903137071959592006001725923
 . . . . . . . . . . . . . . . . . . . . [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)
							6483802366dd95fc69865e4fb278aae180f4c399
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'greune-haustechnik.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.greune-haustechnik.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/82.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197541e32b9000004030046304402206b5bb8e2314999dfcb6f33e79daf50cc8a1c0dd33e15072e23cf6571acc3ed6f02205c9ab83712ade9fa1143290601555184414c9ac9048d8de45dfd542950ae053a00760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197541e32b90000040300473045022016985a3d972034f8df6a7f7a9d0ff16fe6c7bbc1e95be414cb1ee323c01ded27022100dd1cac9dbacfe6daee28c5871878bf84e1cf7914303adfaf870a67f0411c8d93
 . . . . [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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