www.nffco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:18:da:dc:d0:34:6d:7b:28:5c:d2:04:5c:a4:7c:b4:1f:d9 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): 03:18:da:dc:d0:34:6d:7b:28:5c:d2:04:5c:a4:7c:b4:1f:d9
Serial Number (int): 269794552832668197150206421774142505492441
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:32:3b:cb:ae:ad:63:55:9a:52:4d:0f:bf:8d:9e:08:10:b2:76:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 51:65:81:be:f7:b8:83:8c:48:2b:e6:ae:d6:d4:a0:f2:5e:fd:4d:14
Fingerprint (sha256): 3c:79:d5:2d:2e:1c:75:97:60:b8:16:c7:02:2e:d7:df:fa:07:d4:30:03:66:43:c8:76:d2:e6:47:29:eb:dc: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.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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 269794552832668197150206421774142505492441
 . . . . . . . . [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 2019-12-26 05:00:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-25 05:00:38 +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 786643808694636805671647625227884988102797832626809612751042522415849747400495608695430480309666130583699831299788951648125239707839096347472737009209708322940445816818723536046627125632907091477955447319604837586785151877654196408818500203869417081531039830524531388985663723450290777107700396119549292030311750599867539170974245893755680605196423149745601406546777399564897648864177198318225957750857814937779105074549926553497291985026819454390571404951336057149735764203980104247497665884711238325070518617837293671263020434467304411896161291361252917900772060271064406255048463122863400936926084002366165334887426630184715711922565930524510446161777959854257453036886303420643046960947104008791710231301694740918370871111390863367081029900707985085596785715239960941484915530460556677444400548721386795022850553790058255092892694073028700620435772973691463579778279320068361613947280190180886763088914757418137852006530025940859029000184552889556337665097548092979270066336300519691645361486084031072822018565015236662375649091346701398159866120658996226993520317041529267232215683769699666361532804440755927587535271268712851522570181539820449452111728056979871743002234103688665146947002113857898102004048967324757572192075967
 . . . . . . . . . . . . . . . . . . . . [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)
							3b323bcbaead63559a524d0fbf8d9e0810b2763e
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f40caece00000040300473045022100a24e8072d60fd75e3fbe502415a542a130b9cc987589704046b4cd1ca2202ae302203496ede934a9edc624149be5f2fd6e06464bd19be3344350df537167e18e26b100750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f40caed0200000403004630440220643011fbbbc4748a866efcd82964dff7dc64832b3b267e86c4440529de6ff0c50220715218296ed42c2fce3d13709dd8bad036191b5c63cd12cbf316b98f78ef4323
 . . . . [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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