backmann24.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:07:98:35:aa:9a:f0:95:e9:41:42:89:1e:dc:6b:04:b5:0e was issued on by Let's Encrypt.

With 8 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=backmann24.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:07:98:35:aa:9a:f0:95:e9:41:42:89:1e:dc:6b:04:b5:0e
Serial Number (int): 263921155671105346024461160276396695926030
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 20:92:83:eb:94:e7:6e:13:c3:41:30:c7:38:d5:94:5a:df:0c:50:9f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:73:16:bc:09:e0:48:d9:88:48:b4:db:20:5a:92:94:22:47:ce:48
Fingerprint (sha256): a5:c7:2c:f3:2f:5d:60:cf:71:78:cb:71:f2:05:2d:be:05:95:21:68:2f:31:cc:77:ea:f9:f3:0c:4c:25:da:fe

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate backmann24.de

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for backmann24.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

backmann24.com
backmann24.de
shopware.backmann24.web.mageprofis.de
thermohauser.backmann24.web.mageprofis.de
thermohauser.de
www.backmann24.com
www.backmann24.de
www.thermohauser.de

Other certificates including the domain name backmann24.de

(limited to 100 certificates)
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backmann24.de
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backmann24.de
backmann24.com
backmann24.de
audi-mediamanager.de
backmann24.de
backmann24.de
backmann24.de
backmann24.de
backmann24.de
backmann24.de
backmann24.de
backmann24.com
backmann24.de
backmann24.com
backmann24.com
backmann24.de
backmann24.de
backmann24.com
backmann24.com
backmann24.de
backmann24.de
backmann24.de
backmann24.de
backmann24.com
backmann24.de
backmann24.de

Certificate

The complete raw certificate details for backmann24.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt7iH9XlRfiiUVbW1DuEe
3lRIDljBmBBkzQgeW1yA0vfgEffCv4iukr9gr142mhd+SYjDWIxZyZqWE4tFHcix
yAAxCNc1KwodRd61VKNTNiUXwggu3syG9B2o3502ukG/1eLiDPQvNTUMD3Qez+Nn
WIbweYmKkcX0Flb/jjiZOzGrDNicAVtr2eQFzOzzgryIIk03fJC4iK6KDM14eBNl
cvOdD7W29ORzfBCPmu9PZsKztwzh1CqUB8XXW9HgPXviinHPBAeTBFL6G9jeZ2OF
2hd/SDfi6gTHODHDJ/H9nAeFyRGaNnXkdv+ebN1Rf0EsOW97IPJwAbqVVQZ2MIyj
UQIDAQAB
-----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 263921155671105346024461160276396695926030
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-13 07:45:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-13 07:45:47 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'backmann24.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 23192605480419329531119817810356712889512498449796544372609080725433047741291849878040254935860116214177973397618032625960793929082492497525815883964390984924267997515350399141044811165492119357092387680211379193471688294883604204322287453930533220245191399787634458178081633889747376778792633588962699138036198281342186052293968912085611379200610139736959503533708118590795400028245167929825696793297501121062585032535288419448195036652362402364171564146179477469420663222463049452897346239883429281718545910583904615357274329540482838364056784403602473033917685197496281077856815700382169345063099173951552963257169
 . . . . . . . . . . . . . . . . . . . . [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)
							209283eb94e76e13c34130c738d5945adf0c509f
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (193 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backmann24.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backmann24.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'shopware.backmann24.web.mageprofis.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thermohauser.backmann24.web.mageprofis.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thermohauser.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.backmann24.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.backmann24.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thermohauser.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001703db9bdf50000040300473045022042900eb477a8b9a6d5f1000d53aaa49f0e36f2516b15c11f2cc34f11c3427add022100ef150749274f6acaa5bacccb257a7bf5da73d345e50f7da3e52de0a5b8f63c1c007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001703db9bdf3000004030047304502203a94537ff30867da179d90af46a534cbcad3c1f7f9492a3ad59cdb3e50ad1bcb022100ba5dcf1db164c303f2dc8b64a26e7342298db59f3f4e4a4941cc97d672441cf5
 . . . . [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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