www.vffco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:21:7d:81:4d:29:bb:c9:dd:fd:0e:92:ba:25:5d:b2:d8:cc was issued on by Let's Encrypt.

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.vffco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:21:7d:81:4d:29:bb:c9:dd:fd:0e:92:ba:25:5d:b2:d8:cc
Serial Number (int): 359845286706251833241164879996702701050060
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7c:11:26:1c:80:50:82:98:19:26:b5:e2:b1:17:25:41:19:ea:54:77
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f0:72:eb:e9:f1:4f:4d:46:32:ba:60:df:60:58:0e:fe:4e:f7:ae:60
Fingerprint (sha256): 16:ce:fe:ad:77:80:d9:8e:fc:55:33:05:96:41:4a:d5:ef:ec:e9:3f:b2:ad:2f:57:d3:09:73:5b:d1:20:b1:a3

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.vffco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.vffco.com

Public Key Algorithm

RSA

Key Size

4096

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

www.vffco.com

Other certificates including the domain name vffco.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA07zJgkAUoXG9EUu8HFPP
ejvPAPuNJWHKDWyXPNw9z3ayhFpFzTM21CP8rkx5saYYNPNYuf5yUBSp6JTs5fkx
F18K0JRcw59Os9hIU4wO9KZdufMg8U/NEDfB1OoboWOOatlSAgNhDosJG0JO4KCu
r5fkf5AMxtITbBKIYZi3YifoTaoQwg81STpaD/0s608nOkk9wvnYCFUak16Qslg2
5JDzOLv61GYmH39vZU0LF+aPEzW349voUqCuY/ZJlS+GwMIMaov7qpdQ11BapVAa
3SPpkwoD9MfdcTheVS+F3bsnl1JvlRaO+Ay42qUK/RjQ0K6eq6Ahfs1m0BAoSmkK
hSEicA2fVh4i0BsmdARZEOhr6EPFkuYK108TGQInjJCR9h+zO/9pPUQkC56LLhsR
KWwRZxjsLFbmmkrfjNSYKk+pnBmAw88mSF1B4MynfkiM8kmf+dbWHyuX37aEkWlT
yBz/sGAgqKTzviHuuGbCggFhS4QiKyjQekMdwBRATC+tXD+AT+uJMdOKoz5R/ewa
+cAiUB9wjIxwvqvoZyCY0XwsF5KUiH9/dpJSl0fbcSaWlVCBykWkgNq+kYeYdAiT
wjjOJz8Y/xppb+IcEdIX0gFsDRQxJjHp/4iJ7MUk191w30YlM1jvxYDgj3Qlt3m7
MyYVZrYOWEI4ZSNHgPX0sb0CAwEAAQ==
-----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 359845286706251833241164879996702701050060
 . . . . . . . . [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 2019-12-11 14:17:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 14:17:55 +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.vffco.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 863813430973197752152510350629760431024613586037503643114282765970594846752491580315378027428192414368069510482089360596658179086394618076388626066194942141190432294327116891428833711013866843106305375532545488398124814498522450174491958414973256358058146240642824165924269080810854489677248507071134317190636484116063921995165552066213004868083763665927875453355678347199774629848407837493553637225344347273708500029172451610695508506998468656566442953391597446484085739992671471460273785654296224127029493642601041057305028795749126973741884898279338446447358144872551229975914501931155362454802109456435506095145024114775362812273803986338521145229123457743065488841403056609116655522631214196589034600028128492410034103372654061519179076010991396148850560653930840507538170385024333308015964155554297549121772128938431498757873118886351586865090937217962544884657889397912820852550188627230700625957034241456316417853398154633514412161584181332232489709319472246299190228759989480410681030662205475203613437337876623363857041686714214209811350946666078540500300813981628422542243172892116059637303137571620171360452406407827965920708331108408054248201009890877280931551580476380653254899461474073110284705151230280102541398421949
 . . . . . . . . . . . . . . . . . . . . [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)
							7c11261c805082981926b5e2b117254119ea5477
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vffco.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef589be830000040300483046022100bbc7526c4d1036500b40f654bb3821b78636a7f5f9647a3f359caeb0bb064e74022100f43c5ee11a1beb3a13e8ab9be904172430325b1247ab2b6bbe5969cbef0118aa007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef589be7400000403004630440220751d2439925b3962c32a3520d6fe176a57f8eae2935ab45ce7b6c0438205548e02204d5f299a7d45b807b892d13d6654eaa75855cbecd134431db928c195c8d86cbb
 . . . . [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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