klmn.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:b4:84:1d:9f:dc:6d:b0:14:c2:b9:b5:6a:d3:a2:e3:92:93 was issued on by Let's Encrypt.

With 4 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=klmn.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:b4:84:1d:9f:dc:6d:b0:14:c2:b9:b5:6a:d3:a2:e3:92:93
Serial Number (int): 409875581687229685883935467456635414483603
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fd:05:d8:d5:bf:b1:59:b3:61:ba:05:bf:05:dc:a5:1b:65:29:1d:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 31:54:1d:9c:81:bc:da:a4:b3:41:81:8b:a9:60:70:0d:98:86:cf:a2
Fingerprint (sha256): b1:bf:14:97:f3:8f:f0:6c:e7:58:18:22:93:ef:f8:87:13:0f:74:ef:5b:e5:35:52:fe:0b:43:04:7f:db:d8:5a

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

Revocation information

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

Check the revocation status for certificate klmn.ch

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klmn.ch

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

jklmn.ch
klmn.ch
www.jklmn.ch
www.klmn.ch

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3tuxtvtEXKMG7JkSIPRy
goHJxy0t1isZFQhuYIeEaJk5nzXSEkVLylqkvYyJfhlPUmuWh82TmsyEZnp7cKmh
2MYAC15mv6yWbqJnk1t2Z8w8wyEKjm1SBr8CDdsK4CtqK4xoUwf3EtrNR9HhRg1P
jNKGcO2MWn9y6E8sA0IgkSm89/fQtt61NvXxdrPXtNP58P+EotgZKLhWwIRXNx7v
wgbATf9AbL9XdDXn7Rb4r4+8Fd74mwU1Z2TROyV80pMot1pnbQ4DakyhbkJqxXjI
trn2Kbm/Q64en9jEZvDuCaUzzsNUjppY/i/w7AGLwVZBeE627aZ+KBo5qjaSeQqK
QwIDAQAB
-----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 409875581687229685883935467456635414483603
 . . . . . . . . [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 2024-03-31 18:44:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-29 18:44:11 +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 'klmn.ch'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 28133238949369655584776148324220271301337829219622649073960061677170822506134611042330910644727619903944332404021880698262466525692964575114215445112211078393074764496191329990425162763079394681555418881740641727799640432092247858447153387106211602649379489530425823059717944717792158285610670839911044400148013721334019549264222431458863045981172326423764435007708842358587100522389387967943473369234419032660782516249451579989987440649489362671049680917348643217508616759391739175813123125102758636888051886099623413781439302530593935798758303305739216510303546677849398073917792902285631837789118394901522616584771
 . . . . . . . . . . . . . . . . . . . . [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)
							fd05d8d5bfb159b361ba05bf05dca51b65291d4d
 . . . . . . . . . . . . . . . . [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 'jklmn.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klmn.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jklmn.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klmn.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e960a7ac9000004030046304402207ccd8b2bb1a350d6c60c42eb38e41e9efabd19f3891b1facf60e71451628ba9802205b8df20bcaef0c50cbd36c22917ef5538ff841113988a508266c76c7ca03c2ff007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e960a7ae80000040300473045022100a815e3db7ccce9ee9df896ec0cebab55db25f2c6f5c2582638ae96f28d622f5f02204deff01ae9cd6aba56d75a70c263f0c6674f59be61323c07054daa1f5df7ae49
 . . . . [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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