ck-werbetechnik.com

Issued by R3

About this certificate

This digital certificate with serial number 04:7a:9f:15:0e:67:cb:f9:36:cf:05:85:b4:dd:1a:a3:3a:53 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=ck-werbetechnik.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7a:9f:15:0e:67:cb:f9:36:cf:05:85:b4:dd:1a:a3:3a:53
Serial Number (int): 390175049073136671912641298400048574577235
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:33:b2:9f:6c:4a:15:51:3a:f0:90:bf:09:25:0f:2f:0f:7c:c7:d8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 49:50:07:9b:a2:b6:9d:7d:44:ee:c7:3e:83:c5:67:f7:28:9f:3f:4d
Fingerprint (sha256): f4:52:8a:89:c0:ad:4f:e0:ea:ef:c3:94:e9:5d:af:bf:e6:f8:c6:a0:ad:3c:0e:00:ba:da:b0:c9:1f:38:9b:96

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

Revocation information

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

Check the revocation status for certificate ck-werbetechnik.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ck-werbetechnik.com

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

ck-werbetechnik.com
www.ck-werbetechnik.com

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Certificate

The complete raw certificate details for ck-werbetechnik.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvFP6MYyGOK3nR0PgAcSl
+lCbaLSbyWlJ9jupp+FRnow9Wier76MW64AKD22MlLd4YvM6LfRRvaTeajOEvnOK
rKLI8B3Qyw4lqk17WpegVDjJkUM7dqt5U/17Ut1nueS+SJqn9LNsZI5/IjLav1RT
S1oRTLGh/dJQ7MKEOw74BOSjVkCk/R17axhVFeUAXiQ95a4W1+LsV+gB4x0ONfdF
z4lkHeiWncMjQc6FuYjbqrzF88w5BRSwJmJuqtuRdvrrA2hhYSRmBeYNpAhRQj+J
LKdIAxRjpiv/m5qddczR3Lh1Ebf3VjJ8WDkqnzGtl8xativ6y6M2g5cMwTx5XAe5
XwIDAQAB
-----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 390175049073136671912641298400048574577235
 . . . . . . . . [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 2023-08-05 18:35:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-03 18:35:50 +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 'ck-werbetechnik.com'
 . . . . . . . . [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 23774212092799394150205690751236668960478603434480729582200181964810547369402631286884830799678064069333521562701090285537311292540446503255450870612477572502470505815170539648504556599199050435946515653828923344323897206631965366602303395883072293606810422552804848903350446084748553162294183678363968793720834218575317003862094763066022483028493958204489397601858900203486124370721805752260202269968709672620335202252279034138358895875599112168022597230777514449787078664009667714085366898320183110130696892782025995863265716735522764807830739105926912705476867346839607066441613404818558367326068452382254106655071
 . . . . . . . . . . . . . . . . . . . . [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)
							b533b29f6c4a15513af090bf09250f2f0f7cc7d8
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ck-werbetechnik.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ck-werbetechnik.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189c732ef8700000403004730450221008db3ce911c37aa7d3f08fdc925b3a879e8298f68124088c58bd9ba611164ff4e022060db61e8a873e91599cd6d7797c1d17b275c1eb8fff4fd2f00b372e1250d95c0007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189c732ef900000040300483046022100c07fd16283ff4d26ebd60e58135eaf399db23a9313d701e38df3844b732cc181022100fa739db37ca1392d697ed948906f9571c72e4aada2c296c698645f1a44fde7b6
 . . . . [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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