www.fflco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b6:a8:91:24:d4:7b:f1:0d:8e:a2:ca:fb:67:ca:f8:f3:2c 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.fflco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b6:a8:91:24:d4:7b:f1:0d:8e:a2:ca:fb:67:ca:f8:f3:2c
Serial Number (int): 323492312508229367962696513369666041213740
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9d:bb:de:40:e9:2b:95:b7:98:87:4a:cb:71:f4:e5:d6:bf:4d:1f:ae
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d3:88:65:18:ce:ef:12:ea:cc:eb:1f:4d:3e:22:ec:44:1a:ff:15:3e
Fingerprint (sha256): 90:0e:d9:45:b1:0f:c3:e8:c4:ba:1c:d5:03:ee:b9:8c:95:25:82:53:a2:c4:a6:7a:0b:f6:85:d1:41:91:be:76

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.fflco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fflco.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.fflco.com

Other certificates including the domain name fflco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.fflco.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 323492312508229367962696513369666041213740
 . . . . . . . . [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 2019-12-17 00:39:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 00:39:26 +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.fflco.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 844971860607246237949615331279281380614861382093768318868228813462767720283905546891358873525812723236904946528497704619661715795023371040463216645380102505975895309190663861928875047049776692176641475970208741590936354510554598510294816255332256266340815726258587005301908716371924275119408377755274529071110487978724216545337058612494223186956911554817490775907285975286653626382484234593955571420672080202718771739532754089197025455821976221185109480364970226715622902452802643542389611897442487482493535236540860984628371706223112376587783241196048755488678688162569786123260154119128893778596490270547776452955385552510163864157881179564006344766018965184778824712274655322833370857213176477172877379617648972265550894740681683912006017872644671423653384809125242408442574040822904037868888577278144957689425635977077226328605205036336234629419993307819267794767169778547102355510139390795241820686723038218189616973386605551968690658709748842341241575006545659532244066754152600201041166294180920087781632377689408468676925009718861898592218537657856005631871449854086056664265140828071066661142242424418878055585041972568362480100905119536117405822572685867599611950932586236057358092152767253604533238009307403774965292483081
 . . . . . . . . . . . . . . . . . . . . [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)
							9dbbde40e92b95b798874acb71f4e5d6bf4d1fae
 . . . . . . . . . . . . . . . . [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.fflco.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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f118290b000000403004730450221009166605cd9d0db4d1c29de094b4ba0822ca72abbe81949d449acb40fb09378c4022037117f3f94cdcb1788acef9120e05954093bbad7f78e8b9f8683f65fb59ad2e400760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f118290d60000040300473045022100e848cc8f587b2b2047a5eeb1812a8099c6e57ab2a36857a7b2afcf39a09fce0702205c4d67a043e5be5ea762f00b05ed2e36edc70f14dd3abfb314ceaf4ac703e0dd
 . . . . [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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