support.best4software.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:37:32:80:e5:c8:89:21:40:15:df:99:48:7b:c9:6e:40:86 was issued on by Let's Encrypt.

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=support.best4software.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:37:32:80:e5:c8:89:21:40:15:df:99:48:7b:c9:6e:40:86
Serial Number (int): 367231804582039611711180758353273038979206
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 37:ed:d2:86:d2:f4:b7:52:eb:d3:e4:cb:b1:c1:a8:2e:88:6e:4d:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 41:2f:f8:d6:36:cf:18:a7:5b:eb:d9:c4:5c:91:78:5e:4b:cf:6a:7c
Fingerprint (sha256): 6e:84:0f:28:da:1b:c5:16:f1:6c:87:4c:ae:cc:7b:07:c1:f0:13:99:70:a1:36:ad:ba:9d:63:f4:85:20:63:96

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 support.best4software.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for support.best4software.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

support.best4software.de

Other certificates including the domain name best4software.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for support.best4software.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 367231804582039611711180758353273038979206
 . . . . . . . . [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 2019-05-13 23:38:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-11 23:38:32 +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 'support.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 836201053752013519460993289866056285799890108616610701858900489624686194707675784579914063564622581373014594191124197451895818827409463330178192705125169882891121822842005276342551435883043924737880409801927691481371533663299664315535078964612278440330636346990917037659371745785537443759118564394717528463985069322187752742500643689896747482218426075813501982965636366170504045276607557012122297742895288999671192096089484837182409645608787380795734147833273587918154433466515739550120131685573024671875608438195617521229550985578775764744964564677568383850322276585237093865188237490953655750946711445640287295905174884319238146162591117552410987818473958893018054603993065635603998707070190770915996167540917584525420041779123587131391257518585561597118315728641361851978318425354546669244570360979455777646582411671659162509332810554759906937249796278697146613871581170064428469168820113347926993935660457076264644234086593438611060178691147051405427436783394224477523251931832321328494741046816075825369532486769384996226065034263437084841076590964010609589406538834484199229168330797913565763725337349050878861213491898197721064174970176260397545913997048239104277686000042708656613619562807070714966713041962552711150525403151
 . . . . . . . . . . . . . . . . . . . . [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)
							37edd286d2f4b752ebd3e4cbb1c1a82e886e4d8a
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'support.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ab3c6d0690000040300473045022100c9a77b0d016839f0132b24b76f5cadc1e449d899eda9066b01c3ebf0b26123aa022007af53856fc4c2c7ddea0d59f477cb83a7451559dfea474b10ca61021325cf90007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ab3c6d05a0000040300473045022012903ded315843ca85cedd4c7cb4bff229099bc16d3bf566a90ac9962b2087ab022100cefe7fb9eb34b26209d6b69aeb4769ebf847f3e4d996f67a08c5cfacf0b80ed9
 . . . . [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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