www.jackfung.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:df:68:7f:f2:18:7b:be:43:33:bd:df:4f:d1:93:55:ca:af was issued on by Let's Encrypt.

With 3 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=www.jackfung.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:df:68:7f:f2:18:7b:be:43:33:bd:df:4f:d1:93:55:ca:af
Serial Number (int): 337358729662195579119608414234641402546863
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9b:28:f5:31:14:cd:15:ff:9c:d4:90:e6:d9:df:25:53:5f:39:11:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a5:5d:98:80:23:dd:10:04:6a:b6:6b:c4:f9:ba:4c:a0:cc:f0:88:d7
Fingerprint (sha256): 32:15:bf:ef:61:84:45:2f:a6:57:dc:ec:db:cd:dd:4a:0f:bb:51:c7:fc:91:03:76:32:e9:89:5a:4b:4b:d7:79

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 www.jackfung.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.jackfung.com

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

jackfung.com
photo.jackfung.com
www.jackfung.com

Other certificates including the domain name jackfung.com

(limited to 100 certificates)
jackfung.com
jackfung.com
www.jackfung.com
photo.jackfung.com
jackfung.com
photo.jackfung.com
photo.jackfung.com
photo.jackfung.com
www.jackfung.com
photo.jackfung.com
jackfung.com
photo.jackfung.com
photo.jackfung.com
jackfung.com
www.jackfung.com
jackfung.com
photo.jackfung.com
photo.jackfung.com
jackfung.com
www.jackfung.com
photo.jackfung.com
jackfung.com
jackfung.com
photo.jackfung.com
photo.jackfung.com
jackfung.com
www.jackfung.com
photo.jackfung.com

Certificate

The complete raw certificate details for www.jackfung.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA00/4U0Na7/xGSQ1LVgGl
770QL5579bTSccxMYDe3/9M4NdsA56KGb6jWR0q5OPCuHn4GSLMxURuDaFGZFb86
MiTpZLxZbS5JQFoDQy/rqMcU5KXXqMOjPLUOcMcrEGn1NEOePo6i1C0GxdWS5tTC
fonQJcVBKLo+isOjUOAm8X9Uh+wUJ0zxWFYpiC3F21apDZ1VdzNjzZ34DmeHcQpb
97qZSPW2vE9L2aPy9p3MWO7lNmlc8jj43/6nA1XpgI9UmG/iGHewJ+wNGi5HEZrp
mHCHnbbzaJ3S41F51kaRx0CMgMpbSUWyb3zrpHt8SqybphLL1/1SyZz1hPpKhMsf
ZwIDAQAB
-----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 337358729662195579119608414234641402546863
 . . . . . . . . [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 2019-10-26 18:15:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-24 18:15:10 +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 'www.jackfung.com'
 . . . . . . . . [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 26675717034694954454131384215192626383649798981489909686893795894813176033908968645007000857598407611831103657999953269296220947249655481577394171384538435974746567573288331050578467919799137964275861122593346398188606853914866413499903766485885801098475433794759459648905601410223351653472368820159183651774202580467238919761431311207317101089788919362588383595921742829448907909183338273441834857348093097932386857941385375414807739916668175215301335673909714198533720716777312074852540917804234676214953962150775054092814750544299763543467417445062129153235940480073052424263676105352683534912393583031943353278311
 . . . . . . . . . . . . . . . . . . . . [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)
							9b28f53114cd15ff9cd490e6d9df25535f391175
 . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jackfung.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'photo.jackfung.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jackfung.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e097e6c4c0000040300463044022060d7d19335cec26a09d598f2f27d3905307b07a5828b3d510beee8b346a5003402207b1b8558eaee802ef041f5d6058c798994f66b2261fff1b219f3a87bd6625e4b007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e097e6c3e00000403004630440220798feb324dda4b9e3845aa3629044da38cce0c4f9286bf89d9db01ec91a1adf6022011db0e29975d3a047da0b3edc666680148130af3b3becc5cf01f4e798d8681a7
 . . . . [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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