sharpmind.de

Issued by R3

About this certificate

This digital certificate with serial number 03:0a:8b:39:04:05:fc:ee:d6:ce:35:56:2e:4e:f2:ff:04:21 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:
  • 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=sharpmind.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0a:8b:39:04:05:fc:ee:d6:ce:35:56:2e:4e:f2:ff:04:21
Serial Number (int): 264924740198429222554402250547941221532705
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5f:f0:0b:fb:ac:56:d3:a8:8a:a8:0c:c7:08:d4:5f:e8:67:b5:c6:bc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a3:9d:42:ab:dd:51:48:0e:5b:07:0d:0b:30:40:08:7c:19:7c:11:96
Fingerprint (sha256): 34:40:37:3f:98:81:db:3f:10:54:c2:61:a8:09:bc:44:9c:5f:b0:74:57:7e:f7:78:4d:32:0c:0d:83:a2:15:7a

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

Revocation information

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

Check the revocation status for certificate sharpmind.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sharpmind.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

*.sharpmind.de
sharpmind.de

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqFX3nb368Oj5Z03otJ0U
kMzwG5y7G9sTtL84WRINrYNJdekAhkrcRFAgIswXMCbwlPf0yHqTj8BdKmGRIUL6
WhcEVM1AQ4iTTzsW3r94JnN9WViypRim0AldIl1zuN+oWtsHE7UZBbkdBLfMnn7E
0e1Zw+nAd5oMKig38O2dEpqupfuhjbCgsAINWycSt4FdLD11p9XaTGynw68zxkSi
XoU/f9gvoaKAjlfZinefzhAzpSJdpZkvo6h7AIMBrtWpd7mOStG6iXR9kk6xdlt6
Ksk9geVFhYawMBhWBfhCBdnyLTHqOYZQLHShahVE5f+TohL4o8ECcvA2690bLYB/
fQIDAQAB
-----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 264924740198429222554402250547941221532705
 . . . . . . . . [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 2023-12-08 09:08:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-07 09:08:12 +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 'sharpmind.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 21250427265592430920847438772690947067111250555302508699765246918719891045417514412645301823696924158339185954190907446444148389394340765955284307497622219415639758262415452311530029650352351951167250644972646409942158888931861294661271469030534622770483226153789483437804599150372696237409787109077300427730206975603688549343034675528480837456062381717764755750791512817481075283411032096084996949255980155438774943350054143154687011698817524067511471914281757041821580867324584593584854313204566828931565965665884263091584275416145463281169270001917042130374590434384328889912074730672293735645330159976711519764349
 . . . . . . . . . . . . . . . . . . . . [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)
							5ff00bfbac56d3a88aa80cc708d45fe867b5c6bc
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sharpmind.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sharpmind.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c48e62d9b0000040300483046022100d489bc132d21fa44ccbfaa0f7193bd9e54ac20be8a3d01e11781d422d3424165022100f62c00602cdc8648c39ee92ba8552ecbe6e28747867bff34df9847d2bb9adf8900750029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c48e62e6f000004030046304402207525a555075b49e2f7475db5b4f9fde623c9a5fba18adc93ebedfe468d3e1e8802206bc5303fea37aad19ad394b97fabea1d72380adb2ddeb762373393d2ed4f3c88
 . . . . [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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