www.jackfung.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:31:ca:9f:8f:9a:a6:45:d9:69:6f:ac:70:8c:30:09:82:d6 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): 03:31:ca:9f:8f:9a:a6:45:d9:69:6f:ac:70:8c:30:09:82:d6
Serial Number (int): 278280026317392953997092516792365797180118
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7f:0b:c9:01:c8:39:36:7a:33:91:fd:d8:d4:63:25:c9:72:7b:f8:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:2e:2b:f4:c9:67:56:e2:f3:87:92:fc:24:6d:23:55:29:72:56:c9
Fingerprint (sha256): 6a:57:c2:21:16:9c:79:6a:92:f4:9f:e3:37:25:2a:21:20:01:36:c4:94:76:0d:23:29:70:cf:ea:66:14:fa:12

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvw76SWc5uwqE0V/jb6iZ
+l7LPM3gbJ3C0MdMRWeBFJ16hp4e0hiPPW7HouzfTe0RAxj2TPHvSz8BX0KRl6Vh
MxeosJtage1PMwsmuQiKCfQJxmWwv3vGRAkOwCJOq6FWuuSShNBki9QxF50bxWVX
GC9e0v8UFeJ4HC4chiQI8e+7qe4xoViFGtTFi6lSpkIgoGMfEpUK5SxVP6xTDxqe
NDpR6NvsXIFYgCtSfMgUDaxjpIIzsR8BgMwaOEYH752rqKWNiaLUlxwYWD+Ukzqg
+8gJ1x4aa9dfnEfW0Cx1VvgzS1hSdD3xcbGg3mQhlWxeUSo/pIrzxLhmk+YthnEW
qQIDAQAB
-----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 278280026317392953997092516792365797180118
 . . . . . . . . [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 2019-12-25 18:47:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-24 18:47:06 +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 24118902019051239283010327560499308491083085804375060628864654984775152398298603816280714536672734015263872677561067735839309548283554804409319465596147744818116642986370785057307944025087385179901408104622813579543508560303223468034904800228041724429936498060607238512589199200242947812345417781364174986716166108172516786919579478203294869162166320166585092077483533906867861512181464451407877201658660544598944636061594182576557004554750126032046858630454843967249216147647901454517622210786820989090912506353562546144371316764400636334646194850579857487015975642565685848167584381656688161681081945895218663462569
 . . . . . . . . . . . . . . . . . . . . [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)
							7f0bc901c839367a3391fdd8d46325c9727bf851
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f3e9936fe00000403004630440220078804c8887a2934bee5426bfa4409782af2805e02cfb2512f67e5b435473d46022018b0431ebe21f608d4812cca3c949a5244f760e5283cf23eaf6cb2087bc59de7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f3e9936ef000004030047304502205f3c6fe1a01f43bf2a37ac19c27aecff3203ec8de944f3ada2481379bdc06474022100a2f74061a7a47bec3a3c25f6b6789dad0151fdaeb009de9498d2b374472bfd11
 . . . . [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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