kellerfahnen.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:e9:9a:b8:84:74:90:e2:fd:3f:42:41:dd:1b:1e:1a:a8:86 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=kellerfahnen.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e9:9a:b8:84:74:90:e2:fd:3f:42:41:dd:1b:1e:1a:a8:86
Serial Number (int): 427940594400105870814423022541170980595846
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8d:6d:c7:51:e3:30:a2:cb:3f:dd:af:c7:be:69:67:fa:a7:30:84:d5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 75:98:ba:05:6e:ac:7e:58:e6:a9:8b:f1:9e:ed:26:88:0c:02:8a:ba
Fingerprint (sha256): 53:d3:11:dd:ea:5a:13:6b:ce:ca:79:b6:6a:e0:5b:74:16:c0:e3:28:c7:71:bf:e0:18:3d:28:e1:45:58:aa:64

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

Revocation information

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

Check the revocation status for certificate kellerfahnen.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kellerfahnen.ch

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

kellerfahnen.ch
www.kellerfahnen.ch

Other certificates including the domain name kellerfahnen.ch

(limited to 100 certificates)
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www.kellerfahnen.ch
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kellerfahnen.ch

Certificate

The complete raw certificate details for kellerfahnen.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE+NtMv3ByL/9xVPx0o6jrKBOjuvTH
MnY1UM+IfaaSfQbI9587Khj43lr6gsQHlIE52knhSW1TPehd3ftpIYqVKg==
-----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 427940594400105870814423022541170980595846
 . . . . . . . . [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 2024-02-27 08:52:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-27 08:52:13 +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 'kellerfahnen.ch'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004f8db4cbf70722fff7154fc74a3a8eb2813a3baf4c732763550cf887da6927d06c8f79f3b2a18f8de5afa82c407948139da49e1496d533de85dddfb69218a952a
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							8d6dc751e330a2cb3fddafc7be6967faa73084d5
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kellerfahnen.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kellerfahnen.ch'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018de9faa9140000040300483046022100eaee15b8abc1781b8d3a727dc86e684d767b4ce2009e56323d5913ce65772c4702210085a03f663444726c771a0d94e0dd15e207eeaa43f93e6ca5990a0588d01e630b007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018de9faa9150000040300483046022100985e8cae54b79b4a492b787329b8c1aeea5327bf5214da2ed99e03ce8a27fb59022100bdd689e9c161b36f7fad542508f024821c7ba82347f3a38ccc8f33ef050dc849
 . . . . [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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