klopotek.de

Issued by R3

About this certificate

This digital certificate with serial number 04:a1:26:2a:a3:0c:6a:83:e4:ab:9b:8e:20:57:50:0d:90:f4 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=klopotek.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:a1:26:2a:a3:0c:6a:83:e4:ab:9b:8e:20:57:50:0d:90:f4
Serial Number (int): 403285336848636432675611696266978402341108
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d2:99:ba:d7:8c:2a:8e:8d:27:69:c7:19:fc:77:7d:37:7b:fa:45:08
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 37:4b:90:51:ae:ac:0a:d8:17:05:6e:88:5d:7d:7a:08:1e:92:5b:03
Fingerprint (sha256): a5:26:4c:ce:a4:bb:8e:b3:c3:d7:2f:f3:94:20:ac:9a:97:ec:5e:a0:6e:bd:7d:6a:ae:16:d1:4d:7a:7b:62:a6

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

Revocation information

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

Check the revocation status for certificate klopotek.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klopotek.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

klopotek.de
www.klopotek.de

Other certificates including the domain name klopotek.de

(limited to 100 certificates)
*.klopotek.de
klopotek.de
webmail.klopotek.de
*.klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
klopotek.de
webmail.klopotek.de
klopotek.de
www.klopotek.com
klopotek.de
klopotek.de
*.klopotek.de
www.klopotek.de
klopotek.de
klopotek.de
*.klopotek.de
saas.klopotek.de
asp-unesco.klopotek.de
sip.klopotek.com
saas.klopotek.de
klopotek.de
autodiscover.klopotek.com
klopotek.de
klopotek.de
mail.klopotek.com
klopotek.com
*.klopotek.de
klopotek.de
*.stream.klopotek.com
asp-unesco.klopotek.de
klopotek.de
*.klopotek.de
klopotek.de
klopotek.de
klopotek.de
*.klopotek.de
*.klopotek.de
klopotek.de
klopotek.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA17UygPciHhLAF/SEKY5w
aqnIPpVCBDQCgB5/BrvFZv8ReXWNqETscO89IpvCmlcVWwryjSTp1bvnv9NC7yih
Wb27mqzkZFL4mssuz73LHVBx/a2QMDXUxQYejDgo2A5hw1LNvjVrFVVkgqAp/qsu
mUzSPyN1weWkAyCeszTdelUE2aYvXrvmORNwRLtHQiLTKddLgk1PHVQ+8A6LXCsA
zK4jfvKCvL4J9odh7lJQ8W6BY3rtNMG6dk1vKrO2l4FWWtTlozmCTu03BwMJSrBW
t8b4uMnrGYNFJAxY67Gu8hwGO64bWSVTN0yxLBH27e3yhCW+0on16CdG9L54w4c1
0QIDAQAB
-----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 403285336848636432675611696266978402341108
 . . . . . . . . [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 2024-05-18 16:21:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-16 16:21:20 +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 'klopotek.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 27230587276829602341267413495230188822792107843187013850197131908424156361450924204051125199761781149089828340262176926234996539148834799375026544005492492571634897702900365104566611705393084880505491964038804607487350184905504800328032072421838777070980177160349390177392006743399889714398614110671105522308071770932557861628497686423997355856316304040803998797144283095304429653260768258375817277215943660759133345523709730670536591941976165023308860984058411369491828832639408368480857018496921271916895240179722060652155722377594099067584668684566474594640217333109766106629725225290338735914675164161138338772433
 . . . . . . . . . . . . . . . . . . . . [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)
							d299bad78c2a8e8d2769c719fc777d377bfa4508
 . . . . . . . . . . . . . . . . [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 'klopotek.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klopotek.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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f8cb8eeaa0000040300473045022100ffcf724a96b792f6595569195c362f4aafacbaa2a36e3be31f6c5154f25732fd022026bc4599d57db3f6ff003a9792a1de760c35f2748043b9b6282107724a788e4400760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f8cb8eedf000004030047304502204546a3c9b4787d89376244bbdcabf711177e351add87fb5eb45d4d6e01acdb1a022100a442a480a14237e17d5d76aad89788cca6fafb0e5cf57da7fa65386ba41b6211
 . . . . [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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