DV SSL/TLS Certificate for dreyer-elze.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the dreyer-elze.de DV SSL/TLS Certificate

This certificate with serial number 06:f6:1f:34:23:1f:94:2b:7d:6c:0b:8e:21:1c:1d:42:0b:b8 for dreyer-elze.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 dreyer-elze.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): 06:f6:1f:34:23:1f:94:2b:7d:6c:0b:8e:21:1c:1d:42:0b:b8
Serial Number (int): 606424654632804583618133605208920227449784
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 67:47:07:8f:ac:b2:79:fd:63:00:0e:48:88:2c:45:fd:ac:0a:4c:4a
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 89:03:f7:8b:d9:23:84:e3:b8:19:91:6b:af:e7:71:a0:5b:7e:8d:76
Fingerprint (SHA-256): d8:54:87:65:54:5e:d1:e0:2d:e0:45:f4:cb:a8:ee:96:7d:ae:c6:1c:e6:6f:16:77:48:32:bc:c1:ac:de:3a:ad

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/57.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for dreyer-elze.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 dreyer-elze.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp9CAg4ZtbQ1CJy+kbkFN
u5SecrR1X0S1QZL7Rw5UdsMg/befZOaUS4AsNpJHKgOyD8aW8U2wyt6mw6qdlUH/
dP/CgTWS/jISvof1cm16nJ1Q2dWlIWET+0lDZvzZPK7bqEFoyMs+nL23JID3ATI1
WcBsBkqI9ZPNkYqnpIIaFaDJCp+/VspfkyrGtYXnlosc+wSVy1zAKt61TfW1TOXW
Hgd6HAxxCS0H0Y0GlJYXWJv+5XNgy6Bv17lJ5Rg6d8vyS7byygiI3P4K+eagRJ9t
qqLqQTGpMc7L6+38rnoHV58PF1KKXf4KhK5fOpUmRVb1rD+xfqkQA+0dEld9wBHR
AwIDAQAB
-----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 606424654632804583618133605208920227449784
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-21 12:31:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-19 12:31:47 +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 'dreyer-elze.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 21184613100952211968757933054740935299237992454980782998060965786744086575824350900935545546452600372677012590592662538294064275851364848554871144819225657339711162805076074553558926257430392597021257200021235631243387190997150642754787966005849658319231233800720828054223590637878237533154241698620587375129542902015117219239421869934897490335153990063073825523895304498999746332420186251130394634925376365740867913790358315896198010753468728196828274834599239194565496805635247568404914037818519345405972578209291126987947279783983325680778177280510407744033938604098435388119576498270237137748010631773614414876931
 . . . . . . . . . . . . . . . . . . . . [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)
							6747078facb279fd63000e48882c45fdac0a4c4a
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dreyer-elze.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dreyer-elze.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://r11.c.lencr.org/57.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196f309a7ba000004030048304602210095e881506b3d75efee800894c84a6ea70b28239c330002662c2b56d2ab5a762f022100c38d7ae9953d72f765b661a8ce657ad590c0779ef803cf3345e697677d1831f600770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196f309a7c900000403004830460221009bccd6373ec1b238f3418c381a18b96a874c007035e3863d435ada7511dbe114022100be1c4bb240eeac082428ad782816bd3cb1633a5c5f2028ae316af90cdeedcfe1
 . . . . [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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