kang-fu.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d4:88:ea:7c:53:bb:60:e6:20:c2:b6:0a:09:3c:f4:75:ed 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)

kang-fu.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d4:88:ea:7c:53:bb:60:e6:20:c2:b6:0a:09:3c:f4:75:ed
Serial Number (int): 333658712109064059084442073584548642584045
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c6:92:36:6a:33:30:e9:53:ac:54:ce:27:5b:30:a6:80:5c:06:2f:ec
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7c:64:62:39:3d:f7:fb:c7:10:41:7c:9b:63:a8:c7:a9:24:4f:ae:3a
Fingerprint (sha256): 00:00:47:0d:c3:79:20:fd:e3:9b:b0:43:6e:7b:a3:e6:49:d6:cc:ce:34:d2:9e:f0:26:1d:fe:3d:61:02:2b:89

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for the current certificate on kang-fu.ch
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

kang-fu.ch
www.kang-fu.ch

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFBzCCA++gAwIBAgISA9SI6nxTu2DmIMK2Cgk89HXtMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAzMjQxMTUzMTNaFw0x ODA2MjIxMTUzMTNaMBUxEzARBgNVBAMTCmthbmctZnUuY2gwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCfZ/1DV1mXnvNJDHKdkLtzYd5poGomsYlHv9JZ rrdkhz86FrTmx1pirHiM53RS1KrfG+uS6wFE4G6V201rzLGoNVw6WM0oKVTQqdG7 Hf3FM2GsK4zCYgApbSla/exG5Wh0aVrpJc1mkSqldz1ISRzMGrdSTio0iMihrpF2 RcmavvETqqaL/w2soTHU/FmVD+r68erg6kvVEwoA0b+FXk1fiiuYv4UbqhrBZNp/ g2EYcUMm0xo/HbqBw6oroW3lwS7mfOO0BZ/W8/0yO6VjzEElyCfPkFxYAHpySmF9 D2cLTCyFQVcxjFmHdLpRFxcD2wB8I4YQPRHWgXcE4IplyWDPAgMBAAGjggIaMIIC FjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMaSNmozMOlTrFTOJ1swpoBcBi/sMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w JQYDVR0RBB4wHIIKa2FuZy1mdS5jaIIOd3d3LmthbmctZnUuY2gwgf4GA1UdIASB 9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpo dHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlz IENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcg UGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmlj YXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBv c2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAhiaQIwTj0efQDYgc2FA7kmT7bZYX hBO90eoXVnbSPkhm2QKRrA6TGNkm4oBbbWje8ARPXYT3ZCo8EvYbBrVo6zY3vlpW DMkWFcTBL64QTHfiUcOstlPS75DqQPZlIIfijl4Yc2AQ01gbB99jIX2TudQK+RuZ luI8zpdgkqXPm5do9VjgdURgKqfhkKKojBfIgv9ULj30cFpeLNsgUUpbUCEBDtL/ aXaj0rM28Vz7JCGm1PcsJv0fpNakXPt00nDccCvt2TW22D+PIEQP4S6QsyTfOC5O EUwSUet7YGzSi5TUV2SyUcLNXmk9fkYmBYqv1Tl0lCaXwVhCjNzO08vZUg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn2f9Q1dZl57zSQxynZC7 c2HeaaBqJrGJR7/SWa63ZIc/Oha05sdaYqx4jOd0UtSq3xvrkusBROBuldtNa8yx qDVcOljNKClU0KnRux39xTNhrCuMwmIAKW0pWv3sRuVodGla6SXNZpEqpXc9SEkc zBq3Uk4qNIjIoa6RdkXJmr7xE6qmi/8NrKEx1PxZlQ/q+vHq4OpL1RMKANG/hV5N X4ormL+FG6oawWTaf4NhGHFDJtMaPx26gcOqK6Ft5cEu5nzjtAWf1vP9MjulY8xB Jcgnz5BcWAB6ckphfQ9nC0wshUFXMYxZh3S6URcXA9sAfCOGED0R1oF3BOCKZclg zwIDAQAB -----END PUBLIC KEY-----

ASN1 Decoded