klopotek.de

Issued by R3

About this certificate

This digital certificate with serial number 04:99:36:6a:e8:93:95:2e:e2:fc:02:c2:bd:81:c5:8c:32:4f 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): 04:99:36:6a:e8:93:95:2e:e2:fc:02:c2:bd:81:c5:8c:32:4f
Serial Number (int): 400584679278395699530996424996065754493519
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4a:62:9d:ed:2a:ed:3c:28:ea:59:ba:04:5c:e7:b6:a2:4a:fe:49:31
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8c:7a:b6:15:7f:d3:42:c4:18:ac:00:22:01:0e:f4:21:32:7e:0e:7f
Fingerprint (sha256): 3e:99:60:9a:d9:d9:7f:29:3c:62:4a:33:de:ea:68:e3:f2:0b:3a:cd:49:c0:9a:b7:c5:b0:88:dd:22:37:2e:09

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-----
MIIE8zCCA9ugAwIBAgISBJk2auiTlS7i/ALCvYHFjDJPMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAzMjAwNTMzMjhaFw0yNDA2MTgwNTMzMjdaMBYxFDASBgNVBAMT
C2tsb3BvdGVrLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJLy
2mWPV261/2IhO2Gf22cLp0m7B+22sWnSK/uSJKxNDfVSB2mVj62Vihz5jnvgJF4t
A7ZeTu/Q2Yy5xKySeOedCCMnum3Y/ItNV493ySWKN6D+rCOZKnOV7sPyp3ZIQuj1
neYffeGnFiY09Vf3vRtFKcMCaFFs+9HwXS0uPZmjWcuqmwLPyWjz8TXBrdMgoTpx
Jd0ARyNQUydqvxuerf5y8T2lECU/OWnCWxWh8OFnaG9q3dkrOsJpCZed8t9+w901
vg7r2TFW5fjQpNJYKeA+Ovjqf6Yy8cndKj2hz5LlVojpgJPifYhhbE5PQeeNAzR0
x2VwVH3NeI2xXFwoFQIDAQABo4ICHTCCAhkwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud
JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBRKYp3tKu08KOpZugRc57aiSv5JMTAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm
H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v
LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAn
BgNVHREEIDAeggtrbG9wb3Rlay5kZYIPd3d3Lmtsb3BvdGVrLmRlMBMGA1UdIAQM
MAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYASLDja9qmRzQP
5WoC+p0w6xxSActW3SyB2bu/qznYhHMAAAGOWpCWaQAABAMARzBFAiEAwzBSmoaA
OuxTjQm/6pK0iJXeooalp+WsRgtYLPGbbBwCIGbi8so9wt51gKg8MxNu0a3En/oA
rcmuwOuMvik7x9RVAHUAdv+IPwq2+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQA
AAGOWpCWmwAABAMARjBEAiAVvFUgKn9+miTjQuAke+1gkUxGt3mn0WiloVfnzFNI
ygIgHeOzYqcDIJmQSY3E4/lEj3eyzVme2Gr4XiaTfbfqIoowDQYJKoZIhvcNAQEL
BQADggEBAHGSnsf7gArzWbKTsCpApoXfekCxBMcjGjvreGIyJ49wNmk+eudKix7C
irUFRH0QSuwiy/LEXksGnDptMd93YIODjPxRoUjU8XIU0jmiczF1XaChywkBHuO8
usB3XqumsXl/bzkpLZ8SmfTfsMHQ9mjEQG5ybb7hST/2AgBFIKpsamylOlwekjQW
j5w8AaJsm/Fw6cLba5JSfTpKbIUgnVYOilLe6ElAquvGH5GOcZoy7rssa3tVtAdz
AwARRrBccb6mt4IseOKUC4Q7nBdpnjrBCZldbYM7XvJJVYp6N5/EHRfUGTh7gkmc
CS2F2EkIQLYKlHrQQ1ddUpFcxdU6toE=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJLy2mWPV261/2IhO2Gf
22cLp0m7B+22sWnSK/uSJKxNDfVSB2mVj62Vihz5jnvgJF4tA7ZeTu/Q2Yy5xKyS
eOedCCMnum3Y/ItNV493ySWKN6D+rCOZKnOV7sPyp3ZIQuj1neYffeGnFiY09Vf3
vRtFKcMCaFFs+9HwXS0uPZmjWcuqmwLPyWjz8TXBrdMgoTpxJd0ARyNQUydqvxue
rf5y8T2lECU/OWnCWxWh8OFnaG9q3dkrOsJpCZed8t9+w901vg7r2TFW5fjQpNJY
KeA+Ovjqf6Yy8cndKj2hz5LlVojpgJPifYhhbE5PQeeNAzR0x2VwVH3NeI2xXFwo
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 400584679278395699530996424996065754493519
 . . . . . . . . [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 2024-03-20 05:33:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-18 05:33:27 +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 19765638652275471822354779592106478525622316234393020122148069221188050315608561956468901624569242489012233918450712225497147391488175706566787262241074170547783718169650272172361192667674394258221297144770231774890307936676021129774270594622126739375692362147023286331967122836062629395052084440613411970364066057712724318720058832690333565644709961614422549297859343188330396507395286281147935847631194545659220389120568599848393386217863874450919088852325882288384088148389835719899262064250899442064966892273409461729512901652316193837497105911157756522372022853052288756500216157644176103474950648064513052256277
 . . . . . . . . . . . . . . . . . . . . [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)
							4a629ded2aed3c28ea59ba045ce7b6a24afe4931
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e5a9096690000040300473045022100c330529a86803aec538d09bfea92b48895dea286a5a7e5ac460b582cf19b6c1c022066e2f2ca3dc2de7580a83c33136ed1adc49ffa00adc9aec0eb8cbe293bc7d45500750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e5a90969b0000040300463044022015bc55202a7f7e9a24e342e0247bed60914c46b779a7d168a5a157e7cc5348ca02201de3b362a703209990498dc4e3f9448f77b2cd599ed86af85e26937db7ea228a
 . . . . [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)
		0071929ec7fb800af359b293b02a40a685df7a40b104c7231a3beb786232278f7036693e7ae74a8b1ec28ab505447d104aec22cbf2c45e4b069c3a6d31df776083838cfc51a148d4f17214d239a27331755da0a1cb09011ee3bcbac0775eaba6b1797f6f39292d9f1299f4dfb0c1d0f668c4406e726dbee1493ff602004520aa6c6a6ca53a5c1e9234168f9c3c01a26c9bf170e9c2db6b92527d3a4a6c85209d560e8a52dee84940aaebc61f918e719a32eebb2c6b7b55b4077303001146b05c71bea6b7822c78e2940b843b9c17699e3ac109995d6d833b5ef249558a7a379fc41d17d419387b82499c092d85d8490840b60a947ad043575d52915cc5d53ab681