strategy4kmu.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:71:a7:f7:08:3e:b4:bb:7e:38:e3:c2:c1:3b:d6:d4:12:69 was issued on by Let's Encrypt.

With 4 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=strategy4kmu.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:71:a7:f7:08:3e:b4:bb:7e:38:e3:c2:c1:3b:d6:d4:12:69
Serial Number (int): 387124314928954528883117580234142331966057
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bc:b6:ec:c6:d3:02:91:aa:d3:aa:a4:7e:4f:33:76:71:02:74:39:e4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 10:28:81:23:5d:36:ee:98:e2:e8:c8:19:2e:b2:1f:c1:d4:00:bf:f8
Fingerprint (sha256): 35:0e:2e:39:15:f5:a2:41:e2:ac:08:1a:9c:4c:d6:f9:e9:2f:48:52:77:4d:23:70:37:26:79:42:6c:39:13:28

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

Revocation information

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

Check the revocation status for certificate strategy4kmu.ch

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for strategy4kmu.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

strategy4kmu.ch
strategy4kmu.com
www.strategy4kmu.ch
www.strategy4kmu.com

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Certificate

The complete raw certificate details for strategy4kmu.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA00lKgo9nMXrgDjSJa77f
XKSNRR6/FL9xLRsszvsXsDgde5+WGUKSpWE2x0VKb17Npkn4oddzYsMzS/CIiw0R
YfSBTrCrrZEVT/zOvKeY3gNZ/WMstNQ7qGFyqYhE16l2pryEf3l2p31gxfSMIIBv
kGKyqsmB1Ng0k84MfFhCvGJ/Dne68vQZlZu8Kl+qhWFi6MpWHNqTQEqeyGx8VVpQ
pwK/zCEWky3p+ZdS8s5QlsPY7PAuCRAX1Wc1TQpPyJwn11h3LIOPnkQqmRSdOJis
7jc8MeUcvubW5d2O/tNXR+hF0dDYTusuq2DvPRhblh46LewuyepIr106fJBaDZMb
RQIDAQAB
-----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 387124314928954528883117580234142331966057
 . . . . . . . . [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 18:14:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-29 18:14:06 +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 'strategy4kmu.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 26672423513905748193655628302881017696639764795430660258549827643261779276153813309611675357997372046887437625371670665867612660932899888388280573548079768961927476720500817434305811271045277177632971540703951874879783598862987021141800874353669928695277351151989829849972077060653485504557964736920572446106166227870309734057859314544683332032237052739881149924700777931468681827690953794925855559541723008473679149321731721512051011329797641316906868798137772475831498859675875809783954777874777725091967241243886685686713360828841133469733760180367821232738261077592542819033110725058887153291233023234987405810501
 . . . . . . . . . . . . . . . . . . . . [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)
							bcb6ecc6d30291aad3aaa47e4f337671027439e4
 . . . . . . . . . . . . . . . . [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 (80 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'strategy4kmu.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'strategy4kmu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.strategy4kmu.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.strategy4kmu.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)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e95eeedc5000004030047304502203a0ac72f075374651bb3bf43a1b48ae9e9f5271cfdfa7c96d59f767651f16283022100dc480c5d860b1ad6ba506fa8367fba58a7fa17976bf5ee926895812e3e17163c007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e95eeedec0000040300483046022100e98e63a18f44ab2b832a5a8c2f89b9e53ebff13312593c39c44cd1c96653583a022100e258926051789946de940357647134b2093103e5b370e850c81a67ce82798534
 . . . . [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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