www.fflco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3a:d6:11:b2:94:99:7d:9d:75:db:2d:b7:69:26:a2:3a:57 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): 03:3a:d6:11:b2:94:99:7d:9d:75:db:2d:b7:69:26:a2:3a:57
Serial Number (int): 281357781758881918477542700866883918379607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:4f:fd:40:cc:83:6d:90:11:01:f6:15:ea:c6:f9:d5:84:48:99:14
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:00:43:1a:91:61:a8:b8:71:33:b7:ad:81:6d:53:af:bf:62:df:25
Fingerprint (sha256): b5:7c:43:6d:00:84:88:34:b0:d3:3f:13:8a:4b:87:31:12:d9:93:2b:0f:d1:66:b3:da:a3:fc:a3:2a:32:65:73

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuSXaJtL8o3Gf3lfyqf1A
ZuH+sUd8KD+uwQ+LY6xV5RWJP5bke4ewGgC0+yWgQrxkiY86Q/Dzgdkf8mB4Ybot
SzmmwTJFP251b7GcPaLCzAhgDnKeRXms1aTx2CFi+r62nQvvpVF7DuExfA9KUZ0A
ErHD6rD5pfB9+qz5q0XRvGWzJh7bbOdoUOjBVMXz7H5ybqyrGGbYtHsDWx9lSbQp
+UskowsCjZHfN4xtyK4avIuo0UoZ3dbKmcf8LQVT5rpuQ2JwXrPKaoREPsQsEA54
tI09o1eXhr8XwU2gB9rootQNDnuisnRtTkFMNIMdfTrbBrunSgPR+tAvIvf025+3
RzmJKXyihnQWex6GvXxLREKhlJhdtaBUytz7z7Dxveytxwggg32n0l9PwGNNC+Nn
dtN3zGDI1cPDF4riZxT8FoIDAn7tBgMgQiEjUZG+iXbmDniSfOX0SOOBeJGljTDe
u0LpmuEWwGYQgqTHXbaIqsArVCaFAo402IRkKOLbaEi0KUOwFo0T5UaPxWb1wUzQ
7fJZTYo5pO3W0UwoalgFbp8d2rXo3WrZdVloErgoJWm1HPa00QwPeI75HoUFyVxr
QzEYmijYfaKT4457cr89NHH8BTa9j1SZBVjwpYqcrCsTTSId3A9saoyJ398TAUjd
POD+eqtguSK33DO1lRSzSo0CAwEAAQ==
-----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 281357781758881918477542700866883918379607
 . . . . . . . . [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 2020-02-23 23:41:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 23:41:56 +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 755337368674502671033430981497451840396542865127919426020320428638226055826547247504367766717536231540764160455612511972767709569120567091287103392638519291368213778478707107478325624644300552104933460077083998604337764785645681244581655203160329633517637597050686620743939938369849168755001322599152837021027791832361922112097236225516283724810154003097609569786678516794517243006009620599141184052932269579043246967647013614584423357729141820274760518819647603452763175355004280361012656444396917673313786619055607641287627828202733574266823699359587931021089983721936357503528588856989494024066986326162888391925634621345317318654895532694912311439354894555601633573305439346170582746079431816259629581964432454640822074684277310894859798968148706545000666221801719234662540758448883599821560166122671603193422275655933268617528971602789468308449619005916594809325015471469400187209950022324173862944626348032437553081490489183509483525553466123614780517465483488417913552940705791484719858085971504328939701553791348678863025355528939414098480935511656387249488727916254395888936491784255841625239480342188363720040001203628369437110643017728214052926180991490523161515398884618716233903604713310994728571863842232285251755002509
 . . . . . . . . . . . . . . . . . . . . [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)
							be4ffd40cc836d901101f615eac6f9d584489914
 . . . . . . . . . . . . . . . . [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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017074a4b56b0000040300473045022100e5dbdef7e03450d1bd4623c55bdd2034afb9313b1f7b6f5f42a74387b9c480e2022054df1d968891c1c312da8450271e905d0edc7d1d951f7b4ee2e936d811325cda00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017074a4b51f0000040300473045022100e84920890cb39253a7156fea91e0411b432ecbf964f2f9af9e8731aab8efb36902202254b39c33d2f8548951dd85f205067e9e655e6a247129ee3f6dff0af9150c63
 . . . . [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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