www.nffco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:dd:47:ea:72:53:c5:b7:55:5c:45:76:ee:77:19:c1:98:19 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): 04:dd:47:ea:72:53:c5:b7:55:5c:45:76:ee:77:19:c1:98:19
Serial Number (int): 423747139320565835676980052444833204246553
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3d:7e:b6:94:bc:99:ed:7a:46:59:5c:85:23:2a:07:13:a7:4a:aa:74
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3a:75:1b:da:77:b0:8b:ff:dc:e8:68:64:d0:7c:92:32:c2:af:30:8c
Fingerprint (sha256): 08:b6:69:fb:f4:06:0a:ce:0c:46:de:07:61:61:34:b2:9f:6e:bb:fb:73:ca:e9:71:b1:a4:19:cf:ce:c0:d8:7e

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 423747139320565835676980052444833204246553
 . . . . . . . . [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 2020-02-25 18:22:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-25 18:22:31 +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 751159641661385682915576161669775570885072895886425456253012181253566895390223062959184231606790007144462039486051754387148351793004544020500100177170674773649547903669171635194136647432733781986792472950383969625567997880181162267642658190983005055427781653890914415474709145435174908584663135963576969433493799503983093901514872984689393362416172366191436484178437138348055587514408283236224530243203180240803260745448243399563100691621501947645708662419310419513697827030339477155799584468751921228509407398208848146017550580681042167725561833747336107580486564905280032254175635510999051607326641170133795361684572223622787116765123706947650569159212445776544673925800784451884679891657180138973603737553237111655504968146314038497754460872408026370724607363887579305715581741856888037637987470576272093381630506413286073225799836135629639020406439755307438009064928945844547008229994030811974591893585891781327422396923389807039446357593987210155906276270157997416161357511378529852977338386272943397900658531429468612095724639245063144255768021747697810376363739293928028943231887825028427469100399713231226805438781401724521245969424564793209155514741735369229167218561284034313069333139392513494103703859633710009725704192061
 . . . . . . . . . . . . . . . . . . . . [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)
							3d7eb694bc99ed7a46595c85232a0713a74aaa74
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001707dccfdb9000004030046304402206a35825d07b274b7e3de2eab3f77c0e9ba2578a9c8ee5b0ce3d20ae0baac1e5c02201b055482baf688d30a03c5808125c8b5d9ae4a3e3f0e0970bdd929c58f81bc4c00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001707dccfdeb00000403004630440220416ea43d672b389c34977feea127aae6aa2eceefc8da4d69728a877416e6e0dd0220524811f429d76ef6f9ad822115981c6dd8be465d6bd3588dc83237455876de94
 . . . . [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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