jackfung.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cd:ed:4c:85:26:7a:70:ff:a1:1a:3b:ce:a9:f0:68:16:e4 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=jackfung.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cd:ed:4c:85:26:7a:70:ff:a1:1a:3b:ce:a9:f0:68:16:e4
Serial Number (int): 331410167364244439897920945031833671177956
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 25:b3:17:15:31:fd:06:63:b3:25:4e:47:f5:0e:9b:9e:c9:6d:32:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 73:5b:ca:b3:a0:81:f9:24:2d:72:d1:d6:cb:fb:af:ab:88:38:f1:fe
Fingerprint (sha256): b8:0e:83:74:8e:eb:8d:58:f1:a0:6e:b9:43:31:ab:41:85:e8:f5:2a:77:00:08:66:e7:5d:ca:34:e7:32:c8:f4

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 jackfung.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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
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 jackfung.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqyu/0QTSyWsh3s+cXwAZ
5fJXXCxBg1EGQy9id81c/g/Y4l0P0YlPd9XWUqIdE1oXqr0JK9AuvOqRFcz+zwcC
D5E3Zm22SSH8yC40BUXZ9XTFO7hlVIwo2B9PWmCFT+sAcpYJ2QiDZT7YnI/5CCyh
k9lJ2KduiLTOtmTgHs34HrSAduKriib0f03R4jyAdlwdhuHT8H0fpvryq2lyqwUZ
MpDkw8CsO8W8Jkk2E2AH2b/xN0/RQYTznsWgl1bt5u3poAqnCGTGMN1cZa8YKVHV
HMkqhgM9xFZXp8/0VmFcbSew923E/LCxM+WWIwxfmwseJ+YG6bt4vrV9Ecu0ZgTK
LwIDAQAB
-----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 331410167364244439897920945031833671177956
 . . . . . . . . [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 2018-09-04 16:31:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-03 16:31:45 +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 '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 21608323724762843724840758489822087058055333948990850687836923795554519455475576124484483401714513000069486903233454125282117626244009623658924550486180884596880075954456632111596566998693547091697355823412532991835192970661734785732027743089380675205094934016893641602962261920701024857884739416325193725653440113462426922356652791105742599028420388513310107234883192858180639982402919317832724434608375956606888027834790755059469113175418507718983323541754166757328322060903336268092277824309670986255923540839069730708990875925526984265122006456271777093194148154982447874801846704904185659974475785840462471154223
 . . . . . . . . . . . . . . . . . . . . [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)
							25b3171531fd0663b3254e47f50e9b9ec96d32ab
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000165a5a3e21c000004030047304502210096aaf565713bd95d7b948897bade9c8144dd2d18190dd4537976397f1860faf502200e3ba1c6b2481ba19fb258c7aaa3cd2f10754efb7692f8dd0afa80e17c28bd7a0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000165a5a3e24d0000040300483046022100bc7f42799d92b419c386972bc7b60326bd4ee2da3f82a81047a7f4171c5e713a022100e858974e6262930ff9f1ad3d64a4c5ee61ac6a75a05daccfe2f4f69914ab0738
 . . . . [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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