best4software.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:69:dc:3c:6a:15:48:68:e8:ca:c4:1e:09:c4:08:84:8b:e9 was issued on by Let's Encrypt.

With 2 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=best4software.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:69:dc:3c:6a:15:48:68:e8:ca:c4:1e:09:c4:08:84:8b:e9
Serial Number (int): 297359250170485091333420972537295805909993
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 98:ab:ff:96:73:44:1b:4a:1f:ae:f2:2d:5f:22:c1:e4:bf:1d:a6:a7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fa:1b:31:2d:61:b7:ac:81:e4:a8:22:61:4a:f3:03:fa:35:11:dc:6d
Fingerprint (sha256): 44:4c:20:2d:c5:1e:14:5a:4f:62:d0:aa:6e:52:5e:da:aa:e9:ef:7b:5e:eb:b9:78:85:9d:4a:59:01:dc:75:d2

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 best4software.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for best4software.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

best4software.de
www.best4software.de

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(limited to 100 certificates)
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*.best4software.de
order.best4software.de
www.best4software.de
sni.cloudflaressl.com
best4software.de
best4software.de
www.best4software.de
order.best4software.de
best4software.de
best4software.de
best4software.de
www.best4software.de
sni.cloudflaressl.com
best4software.de
support.best4software.de
trackforum.gogrammarschool.com
best4software.de
www.best4software.de
sni.cloudflaressl.com
sni.cloudflaressl.com
www.best4software.de
best4software.de
best4software.de
trackforum.gogrammarschool.com
sni.cloudflaressl.com
best4software.de
sni.cloudflaressl.com
order.best4software.de
sni.cloudflaressl.com
sni.cloudflaressl.com
sni.cloudflaressl.com
sni.cloudflaressl.com
order.best4software.de
trackforum.gogrammarschool.com
best4software.de
best4software.de
sni.cloudflaressl.com

Certificate

The complete raw certificate details for best4software.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8shrR8cxGUwlRx1W2QTk
oSuMVR3bBw9L5iwan9wkczimuOtoKx+7i3ejFPllaR2g3OoY4kkm+egB1VXSieYn
J/d0iWMQoA/IIDAzAVwYmOs5poubMU8AnSVPEJ54tLNagWmdksLhcpsfFAQewxVL
zGhGikgoLMndf/SYf+eKs8+2rdLkVtYu8i6pLyz+yUCr0Mq9lp9BE/biz6ri2aCV
xWZ6zgWL4mw05iTv42DJF6uhNm8LRbupVAemCKshjS/TSrejngivLqmhqAcslmYM
3ATmM/q151PmTyPr7r8U7WSTFYzLfNgmofjNnksjhqCfzF7/31YI69gonZzGSeUp
8wIDAQAB
-----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 297359250170485091333420972537295805909993
 . . . . . . . . [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 2019-07-12 12:44:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-10 12:44:49 +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 'best4software.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 30648500125699614186551466525125902088354689088759842623812832136045797544358281195848273345904766714725587671202650430247727246829708396436919101333993156510666449277205718995567750078918446351145999388728384284077863264896383065072877804102324288401351446414042711720509752902580152137072634723343021211971693054417597621625593158314877110433693078092589266011599066815489363295486629640074154941252507376660012593022048434861816418805743126124028642007502642937330335674463116983990468941298484438580701936134604780491231916428300601760617972654278163312082213838369644466794111915375905691622257658597693362350579
 . . . . . . . . . . . . . . . . . . . . [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)
							98abff9673441b4a1faef22d5f22c1e4bf1da6a7
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'best4software.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.best4software.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016be66de1360000040300473045022022bd81c738e7d4ae374c4131051e6fc80bba70b742ddecb1a12d2bf235c14f9202210099b3e34affd1c2ddbc7674169c393508e122773c7b1481d501781968343acd76007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016be66de155000004030046304402201b9fdaa0f086164f22519f991c78eb024012e56f8ee214da3eeef5df64f95c0502202482f62fcce23359d72780ab69703bd6d46bf6bd6c0614001bf40af0a28fadfa
 . . . . [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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