kang-fu.ch
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f0:03:7a:2e:87:8e:d8:e5:4c:b0:42:25:22:ab:be:e8:5f 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): 03:f0:03:7a:2e:87:8e:d8:e5:4c:b0:42:25:22:ab:be:e8:5fSerial Number (int): 343009247944240919957281767150798669539423
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4f:86:ec:f7:a5:d6:2c:a2:d0:ff:5c:f2:f0:74:e2:c5:59:40:bc:a1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 92:ea:57:c6:ed:05:fd:c4:c3:77:b2:09:6e:d9:a0:79:7e:f5:70:b3
Fingerprint (sha256): 79:46:6f:86:3e:17:d6:0d:69:85:3f:2a:a3:34:89:4a:4f:0c:a8:db:ad:9a:bb:fe:17:ef:3f:54:cd:74:2d:dd
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----- MIIFXDCCBESgAwIBAgISA/ADei6HjtjlTLBCJSKrvuhfMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MTUxMTUzNTBaFw0x OTEyMTQxMTUzNTBaMBUxEzARBgNVBAMTCmthbmctZnUuY2gwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDLIY571r3DvQOB+62hrvhTYyRXR/hl4CYJcMGR fprYc7KqOTj4ZrfLh2/zPGxspI8LW8YbJ1OHuDSz6nbwCZkTgBBBzXRqbq1yb29k lQTxCoIr/2tlpu6LrAc1N9oeHQxYB+Jaqt3hYIpjSmxx1l9LKGAL8HY0yi2jfLnf dOD57IhJ2YAbaTMeSTG4AGD/GyYSMOLzOyLmw+4l5S18S+FqkFNxNYXt/cZh4xZ+ //AR6ICFDGYFFiEtb8xgA5OJZjKJz+r/l052QDppfbWXe25Z0OJQ5HPFGUc1iqoO UjEurXXjhnstPKL9ZW+kLBq7hRzYgtWb52gTvV4Jy6wojvcZAgMBAAGjggJvMIIC azAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFE+G7Pel1iyi0P9c8vB04sVZQLyhMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w JQYDVR0RBB4wHIIKa2FuZy1mdS5jaIIOd3d3LmthbmctZnUuY2gwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQDi aUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAW00/JCDAAAEAwBGMEQC IB3XyVyrYbHTFf7XI/ceLsLd51Mh0Uj/6g81ELanR3WAAiBCH68B8oDjT+ngYd9a ROOc2+oVhJtnxVhlBgnflvzS8gB3AGPy283oO8wszwtyhCdXazOkjWF3j711pjix x2hUS9iNAAABbTT8kHcAAAQDAEgwRgIhAPLCBssIorFieLaQcHRLcY3mKvKMac+7 nPbDNQtKcjUwAiEAqTUgDVaAZrbhfjCfaafabG+dR0j3XZ/MMB0BYTlHK6cwDQYJ KoZIhvcNAQELBQADggEBAG7lz7k3KyHmHSrSepdsEijge5Fvmz9e9TiZ5rF5X9/X G9F2QW4DHe4/KLd50aFVCPKRD4PZDcUDBB9Gah5h/aGjgEAtPTgrhy61KyAhLQV9 bqe8Bxj3HM8Sb054k7+xK/aXK12mJ4IeIC+vQbf1jrWtlAoQ/Z/YawYdIbywLp+M THgZ5w8uVc0PvUQYVe+TW14ABvwSOENbGWJYweilf2DKokBYXSo2HWJ4mWt78qz8 Us9PEBpuJdkLLSDIUq/lsPRbD0Zq30cQwxVuqCMF4CMs904ehHlAPPkPzv9Fpcn8 EuhFSDR3PNN1N3dws9lT25TjeR/JNDXtyzWhS1V0uks= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyyGOe9a9w70Dgfutoa74 U2MkV0f4ZeAmCXDBkX6a2HOyqjk4+Ga3y4dv8zxsbKSPC1vGGydTh7g0s+p28AmZ E4AQQc10am6tcm9vZJUE8QqCK/9rZabui6wHNTfaHh0MWAfiWqrd4WCKY0pscdZf SyhgC/B2NMoto3y533Tg+eyISdmAG2kzHkkxuABg/xsmEjDi8zsi5sPuJeUtfEvh apBTcTWF7f3GYeMWfv/wEeiAhQxmBRYhLW/MYAOTiWYyic/q/5dOdkA6aX21l3tu WdDiUORzxRlHNYqqDlIxLq1144Z7LTyi/WVvpCwau4Uc2ILVm+doE71eCcusKI73 GQIDAQAB -----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 343009247944240919957281767150798669539423 . . . . . . . . [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 2019-09-15 11:53:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-14 11:53:50 +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 25642923273021750910002760042087524100065229793525874205638540708672861743108608763819212566417658277452454980271517289404253037982105486135333517307433487850398772747720639406247908909728114580404258387886339151014574378309948163956959489509563468374497696411012669490399530512374704328001891963312008144923163964659353924960683813328485799849788251868860442228662578013958404834986798522804210956077367334717056887304950083858891799782367819917498347232137680706932190621043082906184713681700805924294141393265833817629829326015830184593377940085091684499532042895147093109283215456010075621191528401318805507077913 . . . . . . . . . . . . . . . . . . . . [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) 4f86ecf7a5d62ca2d0ff5cf2f074e2c55940bca1 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d34fc9083000004030046304402201dd7c95cab61b1d315fed723f71e2ec2dde75321d148ffea0f3510b6a74775800220421faf01f280e34fe9e061df5a44e39cdbea15849b67c558650609df96fcd2f200770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d34fc90770000040300483046022100f2c206cb08a2b16278b69070744b718de62af28c69cfbb9cf6c3350b4a723530022100a935200d568066b6e17e309f69a7da6c6f9d4748f75d9fcc301d016139472ba7 . . . . [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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