kellerfahnen.ch
Issued by R3
About this certificate
This digital certificate with serial number 04:db:fa:cc:f2:c7:8d:e6:f5:53:6e:0d:15:02:cd:fc:33:48 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:db:fa:cc:f2:c7:8d:e6:f5:53:6e:0d:15:02:cd:fc:33:48Serial Number (int): 423304353234385325179921773898561197192008
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 50:52:47:28:cd:4a:1f:58:02:f7:96:20:b2:60:28:e5:e7:25:a5:f1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): a8:d1:c8:29:de:67:13:03:e0:8a:1f:8d:b9:20:82:73:f4:8a:b9:38
Fingerprint (sha256): 7e:7b:8f:20:03:35:59:5f:54:19:4c:12:16:15:78:51:c5:e1:bb:14:ea:17:ff:3f:41:91:fb:55:7c:d4:91:3d
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck 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
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
kellerfahnen.ch
www.kellerfahnen.ch
www.kellerfahnen.ch
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Certificate
The complete raw certificate details for kellerfahnen.ch in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE/jCCA+agAwIBAgISBNv6zPLHjeb1U24NFQLN/DNIMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMzAwNjU4NDlaFw0yNDAzMjkwNjU4NDhaMBoxGDAWBgNVBAMT D2tlbGxlcmZhaG5lbi5jaDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB ALO//InmO7jEbA9jCFCXvSygjlfHquu/otZglh89ftWYhhcU5bUW0SK/YDRAcmHJ 4UnIVRgA35mmgBRq/sbMAxnjALf4dPUrEeGIVes6fY8lcekZA8yUi7dFXeKl3HhT fN6jcimXo5ErqIdzuTpJhAOnFJUNhIP3gGHviFEsIPb4V/e2wy9IIEycplxwY6OO /N/aEgI04iAcl511ze5oNNH08+ZqLcTDrz4k02t5xB1dL/8Cm6hhvbvaaioOpjxz 55GQojWoQqTz3WSmyxvY5CUU6Ga6KJ4RoBST8N0FnyhZnfH4qrkBqLNReAOaNHuu yY9f7DM+Xd0EQk5RoiyNECsCAwEAAaOCAiQwggIgMA4GA1UdDwEB/wQEAwIFoDAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV HQ4EFgQUUFJHKM1KH1gC95YgsmAo5eclpfEwHwYDVR0jBBgwFoAUFC6zF7dYVsuu UAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8v cjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9y Zy8wLwYDVR0RBCgwJoIPa2VsbGVyZmFobmVuLmNoghN3d3cua2VsbGVyZmFobmVu LmNoMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADu AHUAO1N3dT4tuYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGMubucogAABAMA RjBEAiAaimP5lvrLdkEQJEdsoGtyLRuskGej3N3isEIOURyMxAIgFqypIwYtZgPc HQiBA8qjTF/WYQ/YbOlD84S9tEX3dLYAdQBIsONr2qZHNA/lagL6nTDrHFIBy1bd LIHZu7+rOdiEcwAAAYy5u5yjAAAEAwBGMEQCIA/6jCb5j/5zwzOTPmgckyYcO/dU 6Wf4E//KQPNHzE0gAiBeHv09AJuqslZ2NNIzjdscmys+2x9GJPwTABeHRK7z5TAN BgkqhkiG9w0BAQsFAAOCAQEAAMzoBcVeOJWCBPotelG0NC/yT3pOE1cGS9D/1/5C QsOPkyrWVtxXEYt2hug3mzYA8Ss8nPW3nUdQSsu1Fk/pmTTvvuQqLdQF400tHbRZ eVs8YlQZGVvXqzGvPaidU97F1ns35HMG/2zQ1cvaAhvwGvLVOJHB53KU9M+uv9SA 5urVxi2jbZoxIQiUWdJ67uMKsylPa60iUnZ7oPFDiveqremg1hyG5oJsMp/WTJ+d ggM4pJ9JrQtVWretPP04mKW/6S65jqSBYKTkwvWD9Qrr1JPPTv3q0+KHqhNCNCof ySkYKSkAqphxAwBHRTiifzYWB4b5ST4D17BOiGsVTOzQhw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs7/8ieY7uMRsD2MIUJe9 LKCOV8eq67+i1mCWHz1+1ZiGFxTltRbRIr9gNEByYcnhSchVGADfmaaAFGr+xswD GeMAt/h09SsR4YhV6zp9jyVx6RkDzJSLt0Vd4qXceFN83qNyKZejkSuoh3O5OkmE A6cUlQ2Eg/eAYe+IUSwg9vhX97bDL0ggTJymXHBjo47839oSAjTiIByXnXXN7mg0 0fTz5motxMOvPiTTa3nEHV0v/wKbqGG9u9pqKg6mPHPnkZCiNahCpPPdZKbLG9jk JRToZroonhGgFJPw3QWfKFmd8fiquQGos1F4A5o0e67Jj1/sMz5d3QRCTlGiLI0Q KwIDAQAB -----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 423304353234385325179921773898561197192008 . . . . . . . . [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 2023-12-30 06:58:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-29 06:58:48 +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 1.2.840.113549.1.1.1 (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 22691328650282756848354843667190337348646337376284800147696196846659440089311429011764182468793290038183040904100768968361367376371808773277369021527074957595715612553191364832071212789447416269534225089752307871073517758741862940238350302437696203949794349858855264859305622351804706963439571758381725965200022015760533405461651897710207730495814636915861596042096851332167004762689507607341880091998546265909354764775715320138989326915160191494799058489439646480302733598478033723917026181105807518146434089518490205172898544427593718006116378176045400881961560844872187259709976289848948743523097161009573061791787 . . . . . . . . . . . . . . . . . . . . [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) 50524728cd4a1f5802f79620b26028e5e725a5f1 . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cb9bb9ca2000004030046304402201a8a63f996facb76411024476ca06b722d1bac9067a3dcdde2b0420e511c8cc4022016aca923062d6603dc1d088103caa34c5fd6610fd86ce943f384bdb445f774b600750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cb9bb9ca3000004030046304402200ffa8c26f98ffe73c333933e681c93261c3bf754e967f813ffca40f347cc4d2002205e1efd3d009baab2567634d2338ddb1c9b2b3edb1f4624fc1300178744aef3e5 . . . . [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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