blumenhaus-brehmer.de

Issued by R3

About this certificate

This digital certificate with serial number 04:eb:7c:dc:b2:da:68:63:c0:62:a7:60:f3:d1:bc:a1:ee:d4 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=blumenhaus-brehmer.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:eb:7c:dc:b2:da:68:63:c0:62:a7:60:f3:d1:bc:a1:ee:d4
Serial Number (int): 428581470157820688642005708872782006316756
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:2c:00:72:a1:23:b6:e5:d1:eb:7d:05:66:30:1f:a9:86:aa:d7:7d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cb:99:89:28:b1:b0:77:9e:ab:02:f8:7c:64:b1:d7:53:56:b9:0f:ec
Fingerprint (sha256): f3:8f:66:e3:e9:69:ae:39:c8:80:de:27:8f:ee:a8:30:3e:2e:34:b5:54:1c:2d:d0:04:a4:e4:5e:f8:fa:19:69

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

Revocation information

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

Check the revocation status for certificate blumenhaus-brehmer.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blumenhaus-brehmer.de

Public Key Algorithm

RSA

Key Size

4096

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

blumenhaus-brehmer.de
brehmer.isp-vhost04.domservice.de
www.blumenhaus-brehmer.de

Other certificates including the domain name blumenhaus-brehmer.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for blumenhaus-brehmer.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 428581470157820688642005708872782006316756
 . . . . . . . . [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 2023-11-10 01:08:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-08 01:08:50 +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 'blumenhaus-brehmer.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 756802936499722552416053336740102853860977886713025266058195518018449074366006423632534438453686852216108170451615546736099814118287991604867769327071057310166881321850540500078245004453754221695828735097278540096302344171649463713059938233788688830829162675560911358495676225992913514655032580544665964115768369578397059298029734664984463810659160304003617911885413852608972239831504438186003353136824592336165844942173825833609922149989319023876810516551484922657825965580298590964588773607413915150871751571900481698585305600100814229028619320449349160277083220834121899598651347874720316566623514486056469542833342611940524874362351318054322465961957461496879774955050854686416322062729311999603068511673994821075027497625265820380865090708853297651949933763696676762981030559622554203657734268320767069807268997233034319064504002777307218892666662759317474645951699099807786332318129255201632940565067174239994585703075364973089759713506472267902829914019437150439466200666702314695699995926920045157729493528249299442226153694368441664308695007076187970200631911738340463580286921441431405132993238961735416686084943963521968374649115017397267426390004610112243944778760571322451542700267828727260311012803976119475670879840607
 . . . . . . . . . . . . . . . . . . . . [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)
							f32c0072a123b6e5d1eb7d0566301fa986aad77d
 . . . . . . . . . . . . . . . . [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 (87 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blumenhaus-brehmer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brehmer.isp-vhost04.domservice.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blumenhaus-brehmer.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bb6fd3ce4000004030047304502206657a3af72e508637cd186e9dc75d61cc87b9f4fad2010ed8aae89fb05a1083e022100ced6f067a43b8686ff7f88a660e852aee0067333ffd2a963005a4a7e3dc6336300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bb6fd3d1f000004030048304602210088128e6ad2b3b20d681dce6ca5eabdd834d9840dce9e3ebf21929ae1bbca460c022100f6d46d867899cb17dc286617aa3547a6a68fd69350b0b0f6f4400c7b3b80854f
 . . . . [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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