kang-fu.ch
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:24:b0:fb:10:ed:c7:76:3e:e4:ab:11:f3:43:1d:6b:76:d4 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=kang-fu.ch
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:24:b0:fb:10:ed:c7:76:3e:e4:ab:11:f3:43:1d:6b:76:d4Serial Number (int): 360934556673321767348056358550455515313876
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 57:7e:21:bf:43:48:fe:9e:33:37:e8:68:41:db:70:aa:ee:ff:90:6b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8f:4b:50:94:f1:97:b8:d8:c7:25:06:1b:25:ce:73:1c:67:43:9a:7f
Fingerprint (sha256): ff:3f:16:46:aa:44:15:19:40:b2:60:d5:32:d0:3e:be:f7:58:cd:d8:a0:80:eb:c5:b9:0b:35:5e:78:78:7b:61
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate kang-fu.ch
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kang-fu.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
kang-fu.ch
www.kang-fu.ch
www.kang-fu.ch
Other certificates including the domain name kang-fu.ch
(limited to 100 certificates)
Certificate
The complete raw certificate details for kang-fu.ch in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFWzCCBEOgAwIBAgISBCSw+xDtx3Y+5KsR80Mda3bUMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTQxMTUzMjVaFw0y MDAyMTIxMTUzMjVaMBUxEzARBgNVBAMTCmthbmctZnUuY2gwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQC8mN90MQm+mIf0znz3L8TsDa5JlPuhfkHKqlZt IU5SqHD3i9wR/LKWSSd8VQ9ayq1AQylgYcTxmJ0NSLG8H1xAg2fzVKKa3lgTecyG i+gzDIgleJfWZf2TV4HWEfc/QBmk/SGmj50A6bTzdg9juFST/aWlGbGxeCMS/BIN YKGvzQmfLdFu1cqut05+THpmMximPm+vlWEeUk4tvB7NDQ8PVjfTHfUs+iacNZVF yfcxNUce+WMAZo2+Y606aAd16eQr/z5cA8tuOYZtsPVXaTwNNhES/Ma53bxJfNTP tElf3iwUZCKPeTRjPiLMR8VM/CL11iBHUg36Pl3b6l2L92K5AgMBAAGjggJuMIIC ajAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFd+Ib9DSP6eMzfoaEHbcKru/5BrMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w JQYDVR0RBB4wHIIKa2FuZy1mdS5jaIIOd3d3LmthbmctZnUuY2gwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdQBe p3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW5p+b6zAAAEAwBGMEQC IDDBmsPDXc8OB6fq07NlsBLg82OF6rex8wgkr8erxvAjAiAhj8yNhQF55ogcEIVy dIsdJqQoLf9Rqci0HrlZKPan+AB2ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJ Uy3vi5BeAAABbmn5vp8AAAQDAEcwRQIgP9ThHUFx0i7zi/UAgT0lWwapaHhTrLdX 6IwAzm9JccsCIQDEddvuE/uAIDivfMn1xuoFVTOzNHdJSLADSXM5ll7OTjANBgkq hkiG9w0BAQsFAAOCAQEAHl97VYBdTPVo68cnnmlKlN61mP+hdfrKHYy4hP7zV5pB qAUIX/4lCc2+yRQnTZQjyflOhoePhs3WXqoP2GMRGPzP7pqM0dv3tBhmy92SkWRW h6SZX4hl+c8OfR0khk1bOA24uXhCXeO5dkrsnmxSAJT0Q17zPTjvCAf5rvJ3BzFt DpNuOWXnF8+St/IOuMIcjhry8gcbL5k72QjobYDZHTyulUX2+wNODvNThnh6JlPf +CRhzzuvb1y3O+xjNG5ylhaQ1Xjx22JsHLMHhua7qDSE/1Nttc4vkrbkJ7skh2lf JwnTANWoEroBjgpO8adUQQhMYN2IsXd+g1iXwCbGIw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvJjfdDEJvpiH9M589y/E 7A2uSZT7oX5ByqpWbSFOUqhw94vcEfyylkknfFUPWsqtQEMpYGHE8ZidDUixvB9c QINn81Simt5YE3nMhovoMwyIJXiX1mX9k1eB1hH3P0AZpP0hpo+dAOm083YPY7hU k/2lpRmxsXgjEvwSDWChr80Jny3RbtXKrrdOfkx6ZjMYpj5vr5VhHlJOLbwezQ0P D1Y30x31LPomnDWVRcn3MTVHHvljAGaNvmOtOmgHdenkK/8+XAPLbjmGbbD1V2k8 DTYREvzGud28SXzUz7RJX94sFGQij3k0Yz4izEfFTPwi9dYgR1IN+j5d2+pdi/di uQIDAQAB -----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 360934556673321767348056358550455515313876 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-14 11:53:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-12 11:53:25 +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 'kang-fu.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 23808185753800873756529610914975922175792331007509749602909635341394150862156923616009407870409285395352416241048552804412787550508005116243765981426744792351017800455479777484335598553814893600995782107169033244436886038098601740702741584701473114154383512084336838988762660159137750281255045303447471993550141619872049822514275020261049205328481204289056107025689295615287112057619600889345729160554016628892749805223297287672322930869515219764697945814731989820316495407133552401641626135477087530226997006619199980384446797767457653236684311153753386177921001489026307365165960358789227211262290122363581385630393 . . . . . . . . . . . . . . . . . . . . [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) 577e21bf4348fe9e3337e86841db70aaeeff906b . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kang-fu.ch' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kang-fu.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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e69f9beb30000040300463044022030c19ac3c35dcf0e07a7ead3b365b012e0f36385eab7b1f30824afc7abc6f0230220218fcc8d850179e6881c108572748b1d26a4282dff51a9c8b41eb95928f6a7f8007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e69f9be9f000004030047304502203fd4e11d4171d22ef38bf500813d255b06a9687853acb757e88c00ce6f4971cb022100c475dbee13fb802038af7cc9f5c6ea055533b334774948b003497339965ece4e . . . . [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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