www.nffco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:82:f3:06:ba:d3:9b:fd:21:93:25:01:b4:e0:ef:35:d3:2b 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.nffco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:82:f3:06:ba:d3:9b:fd:21:93:25:01:b4:e0:ef:35:d3:2b
Serial Number (int): 305896602841053230719219370770480162525995
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e3:ee:32:8c:74:b3:cd:6d:ab:2b:6c:e0:06:45:30:79:13:85:01:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8c:45:28:8e:48:31:2d:fc:c7:2d:8f:3e:71:35:83:7a:85:06:6d:20
Fingerprint (sha256): 9e:6a:ad:c3:a9:5b:db:dd:a6:27:69:75:af:c2:7f:cc:74:0a:93:a9:2b:22:24:52:04:dd:53:ef:ee:93:a1:37

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.nffco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nffco.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.nffco.com

Other certificates including the domain name nffco.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGUjCCBTqgAwIBAgISA4LzBrrTm/0hkyUBtODvNdMrMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwMDExNTJaFw0y
MDAxMTEwMDExNTJaMBgxFjAUBgNVBAMTDXd3dy5uZmZjby5jb20wggIiMA0GCSqG
SIb3DQEBAQUAA4ICDwAwggIKAoICAQDpFs/kyedE4DLVYS7Ekr+E9OG+YGiPQ8Zo
2/X7zSd2bD3j/DiaUCyYrJpwdcTyiizFJQfq2eUcUvR98w5n0joQt0p5pjQJ/s6w
IhUL1fNFu5nVO5krqUKCNJISl7+3iVbeMYFp1VDd6kfDYVu3HwlGEMAaoe0/pWpF
CzVG45q6EERWC+hCSceLOsCFrHUxy8jePCEkvtjsg5w1QQfUihPlLujFUNKwEtHh
9KQ90a0w6ra1Ixs0XnzE2PMUA+lpaUS7/iPj1pyHfOjbRqSJF/zz9ppvd/RwRvgK
xKFODTtmmCnewSd3aXE4cyBK6ofosj3LR0NJOExf6yEBM6t/4vhey8P0EpIoEvS1
8sqpoTGDDwzA173F8rydz8tb3gH0++zfkBhja5W6Do3sBjYAQxB/QMdiiR4QTqpN
Gty3J0GtxzLKNonmXALWA7CmbUM8fuidqMm+1e3krdHDeKBUoXCg6KWWNEywCs8j
qf8BTa/fZmwpiql8Dgr2/O6LZJF0rKZwAvR9dnPxhACrjDI9k/iPlni0YrfWcflE
rPCAhCYsHh1CR3jw6ZRoz7bthEi/W7v4DBAr5Dpz66J3Mm1yXo/oBCV8P+a/Ds2s
qRXdSVcVL+rhioMFwU8YmQBkWJCBBLndCTZbjS076ZIOjII1zpTCn2cXMvJmDil9
salwPzhGVwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG
CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTj7jKM
dLPNbasrbOAGRTB5E4UBFTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js
oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14
My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14
My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5uZmZjby5jb20wTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy
APAAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3Cq/T8AAAE
AwBIMEYCIQCs/1qoXyqq05t2xKN9FZZdTM3A3mPdnDXzaJEf2OKhsQIhAK31+6os
iQ284E5RULVX/F8kSssyNPjwzIrR2Ke7bKlLAHUAXqdz+d9WwOe1Nkh90EngMnqR
mgyEoRIShBh1loFxRVgAAAFtwqv03QAABAMARjBEAiBIZdCYzz74Ez7jh5V2+oiK
ykWIHXgt6ecLXuVYpJa7xwIgH4uLthGFuh4msS6bsEk4lF/EkSGg4U8/PjLbpw0G
dFswDQYJKoZIhvcNAQELBQADggEBAAEtfO/t6Z6rei+Auj2wuKPihK9h+M3TdYKI
p6X/qqAMeNk+PYTjZbOyvhMIrfhS7RJfoc5TPg8+kyGZWA9dSs941Y5QMb0P4Vnz
P0QkrdhPTvuXiZihKvlPaCIcDa1Cgf3/kKULJEu7N+aPFXvofjG3aBQV4Ennj1BB
afpSXCgbKiiavUL4be2o3A71PZQcEkjBPUb1n+bCs4aYtWaQghr8ErRD4wiNwO1z
I445iPwhT5cs9uU48BG4W9C+INHwk0QwTBkCZGaGOxWP3h+mMiq/f92TDWimTc0X
WPioOjMN4nHlgtTK0ynj20eiQuUCWOQzRiPAStYGiOy9INEXH5U=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6RbP5MnnROAy1WEuxJK/
hPThvmBoj0PGaNv1+80ndmw94/w4mlAsmKyacHXE8oosxSUH6tnlHFL0ffMOZ9I6
ELdKeaY0Cf7OsCIVC9XzRbuZ1TuZK6lCgjSSEpe/t4lW3jGBadVQ3epHw2Fbtx8J
RhDAGqHtP6VqRQs1RuOauhBEVgvoQknHizrAhax1McvI3jwhJL7Y7IOcNUEH1IoT
5S7oxVDSsBLR4fSkPdGtMOq2tSMbNF58xNjzFAPpaWlEu/4j49ach3zo20akiRf8
8/aab3f0cEb4CsShTg07Zpgp3sEnd2lxOHMgSuqH6LI9y0dDSThMX+shATOrf+L4
XsvD9BKSKBL0tfLKqaExgw8MwNe9xfK8nc/LW94B9Pvs35AYY2uVug6N7AY2AEMQ
f0DHYokeEE6qTRrctydBrccyyjaJ5lwC1gOwpm1DPH7onajJvtXt5K3Rw3igVKFw
oOilljRMsArPI6n/AU2v32ZsKYqpfA4K9vzui2SRdKymcAL0fXZz8YQAq4wyPZP4
j5Z4tGK31nH5RKzwgIQmLB4dQkd48OmUaM+27YRIv1u7+AwQK+Q6c+uidzJtcl6P
6AQlfD/mvw7NrKkV3UlXFS/q4YqDBcFPGJkAZFiQgQS53Qk2W40tO+mSDoyCNc6U
wp9nFzLyZg4pfbGpcD84RlcCAwEAAQ==
-----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 305896602841053230719219370770480162525995
 . . . . . . . . [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 2019-10-13 00:11:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 00:11:52 +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.nffco.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 950920603733008745021910382307402357114193052764183617681207353751621644937752770730289158079193511505824568296682110114691897214896688237557369371579127890050971116658600278445790603766540393662229566877348697827605060319386772446672011818339420251807743368296856423676010370790100729637422141147980565874695589737903071599958401095844582159652580980120430299219818330834046970904737918852074737478257994470593294640090814396665102802424387197587956148295677578413300459534848314029739468328979269013808352369263276069426820505461772775254788938303756331866343338952244362646415402039715938149155437757509536298079552698084297849404713100142519425840729615441819515117718809407152252263393016737342191634195892474890433719013131128019517883729519873694890640654463074341177353020829466409480046495625088992344511412056773005260016615638003818719428166476322550442909356667632683580263039486540670814735670196570726053362023694640409402032690408655795730930915030364100942427865349769994142762434285706887724785217527014005610246659636650552834401166901071310757544330372831815861260360386181885839859524368539150117252207542776113109320596151729234080941505665709569039908077587572315816430190063277033300376853989282055223281993303
 . . . . . . . . . . . . . . . . . . . . [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)
							e3ee328c74b3cd6dab2b6ce00645307913850115
 . . . . . . . . . . . . . . . . [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.nffco.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)
							00f0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc2abf4fc0000040300483046022100acff5aa85f2aaad39b76c4a37d15965d4ccdc0de63dd9c35f368911fd8e2a1b1022100adf5fbaa2c890dbce04e5150b557fc5f244acb3234f8f0cc8ad1d8a7bb6ca94b0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc2abf4dd000004030046304402204865d098cf3ef8133ee3879576fa888aca45881d782de9e70b5ee558a496bbc702201f8b8bb61185ba1e26b12e9bb04938945fc49121a0e14f3f3e32dba70d06745b
 . . . . [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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