b2computer.de

Issued by R3

About this certificate

This digital certificate with serial number 04:77:46:f9:0a:85:d5:cf:03:47:8f:86:c6:ac:b7:0f:60:e9 was issued on by Let's Encrypt.

With 14 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=b2computer.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:77:46:f9:0a:85:d5:cf:03:47:8f:86:c6:ac:b7:0f:60:e9
Serial Number (int): 389037084445682995242957575199489791058153
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7f:ee:af:5f:b8:38:64:bf:db:53:e3:3f:b9:18:a0:72:be:15:0f:52
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 69:99:45:1e:9c:57:c8:4b:ac:d8:24:72:aa:ca:78:57:c0:0f:3e:99
Fingerprint (sha256): c1:13:e3:96:7e:a0:fd:45:66:88:9d:78:ea:6f:94:9d:ac:be:21:6e:05:c4:63:2b:d6:ae:45:8e:01:eb:81:64

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

Revocation information

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

Check the revocation status for certificate b2computer.de

14

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for b2computer.de

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

alles-zur-switch.de
b2computer.de
finanz-optimierung.at
gymparts.de
ilge.at
klokoksklan.de
mamamaus.de
minidampftirol.at
nightmaregames.de
physio-leuprecht-fuegenschuh.at
schuleschwaan.de
tierarzt-klagenfurt.at
www.775snapchat.de.cool
zensurneindanke.net

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b2computer.de
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*.b2computer.de
sni.cloudflaressl.com
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sni.cloudflaressl.com
www.b2computer.de
*.b2computer.de
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b2computer.de
*.b2computer.de
b2computer.de
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*.b2computer.de
b2computer.de

Certificate

The complete raw certificate details for b2computer.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE7yhFFV69J5+WD4hQNdQYOqR3gc4t
lVck+tWH86iInsz/C7ZJddnMw14rVU1P0IergDHqiPnVdSuVSvPWWiDVSA==
-----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 389037084445682995242957575199489791058153
 . . . . . . . . [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 2023-07-23 09:47:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-21 09:47:28 +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 'b2computer.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004ef2845155ebd279f960f885035d4183aa47781ce2d955724fad587f3a8889eccff0bb64975d9ccc35e2b554d4fd087ab8031ea88f9d5752b954af3d65a20d548
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							7feeaf5fb83864bfdb53e33fb918a072be150f52
 . . . . . . . . . . . . . . . . [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 (273 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alles-zur-switch.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'b2computer.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'finanz-optimierung.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gymparts.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ilge.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klokoksklan.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mamamaus.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'minidampftirol.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nightmaregames.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'physio-leuprecht-fuegenschuh.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'schuleschwaan.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tierarzt-klagenfurt.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.775snapchat.de.cool'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zensurneindanke.net'
 . . . . . . . . . . . . . . . . [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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189825c893a0000040300473045022100a9db668591180c418b54796ecdf990cabf8c474313adaa22203504d7c0f344d00220410e31f84e1824fd06088179305931520ec6291c15c2eec3f7836da790cf6bd5007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189825c89710000040300483046022100ce234989174a20925ddfd5a724ac73631de9317f8d179df6bb12c167540f06cf022100d764137df982ad6b9a25a9695bf2b9293db35be9c2c94108ace841c1cefadf9f
 . . . . [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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