kang-fu.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:07:13:6b:cc:7e:48:9d:1b:d4:2c:dc:14:fa:85:9c:31:36 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): 03:07:13:6b:cc:7e:48:9d:1b:d4:2c:dc:14:fa:85:9c:31:36
Serial Number (int): 263744649419027866287473472483432937042230
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 42:3b:d1:5e:e5:91:03:73:cb:09:4d:be:06:2a:1b:ce:2c:59:b3:fa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:30:a6:eb:14:ee:b3:ab:d1:4e:5e:2a:5d:fe:4f:bf:b1:0e:5a:7e
Fingerprint (sha256): 98:81:2f:fc:48:01:57:d4:46:63:70:8f:27:91:75:12:53:48:3c:89:2f:80:f1:e4:c7:40:84:c8:29:23:27:23

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

Revocation information

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

Check 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

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtF+WSMVdZxDy/QucqNdc
MNEDgBAw7FG+angT5BOLKNcA4+B17WmIqv/Y+RULLMCNcy/7u17BOEb5zOsGrijF
f+8IqKkdiib6wlE0oysKJowsvk6LiY6cEzaJRFF9gBDi9RY+Fvh3Q8F2XXTOFlPa
IpdaJ5M0ECR+n0I/xlmqaeiUxCCEqzFwQ1nlns7h9K0wSwwe6RK1M00Tga69MzK9
mBjZK3iEJgTcuCRBPUfXZcmJm2YKVxQ9m78j/Y9ruNlPxzM0aoF14YZPLTYu2NH2
bynr7f7a5OsVdk+/Jd5XGm7f46o9aUvu2yvy5SaplthWodc5nYoI+/OzurLlHu0U
KQIDAQAB
-----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 263744649419027866287473472483432937042230
 . . . . . . . . [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 2020-01-13 11:53:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-12 11:53:24 +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 22770030623981120949824482635119867064565854818697899586959722711533102251346367062349001886476191224234888303443467880334184690988129535945258437384954367203533562871193457572276047714683621806595605776870798115712819294124346128111855810435938164267785922952512582900831777219644570651893180083584309705960901126413743435018514502421746276886505277411432393758081671707563127887501846594645279465574968953161208912689114688625277799816227811661933562234243780844908581328595005773957748900671982264508410535599403849224094412506554864682343307995113070581040332708470754275554656468715542175535607539549571323335721
 . . . . . . . . . . . . . . . . . . . . [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)
							423bd15ee5910373cb094dbe062a1bce2c59b3fa
 . . . . . . . . . . . . . . . . [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)
							00ef00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f9ef74b7a0000040300473045022051bc52e1d10e3d81bc670096eede9f6f9c8486d6c626e5201880922a1a6328a9022100934abede12d1569f77409d813ecc0914bb3815f2311d8cb73fa10987b1fd6c720075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f9ef74bdf000004030046304402204b42b23721ba7a23d86d3e62bb7712076240338c26356c221be44da65c791d2902202b0e7e05de00d6518c5c952551a925f32c0c616660cf599578630b975446c9f2
 . . . . [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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