www.fflco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:18:b4:7d:45:34:c6:a2:b5:91:58:72:58:e0:34:73:7c:e4 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): 04:18:b4:7d:45:34:c6:a2:b5:91:58:72:58:e0:34:73:7c:e4Serial Number (int): 356855832013159713258256733416379460582628
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 43:a6:c0:1a:74:21:9e:02:df:8a:a9:e9:5c:4b:31:dd:11:b0:37:7a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b5:b1:96:9d:aa:cc:8f:3c:d0:a2:8d:79:4c:3c:74:1a:22:53:3e:b4
Fingerprint (sha256): b3:3e:06:25:54:d4:68:b2:4c:b0:50:24:1e:9d:e9:7a:3b:4e:8f:20:31:c3:c8:9b:d7:97:6e:a2:6d:33:99:5e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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----- MIIGUzCCBTugAwIBAgISBBi0fUU0xqK1kVhyWOA0c3zkMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwMjIwNTRaFw0y MDAxMTEwMjIwNTRaMBgxFjAUBgNVBAMTDXd3dy5mZmxjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQD0T09s6OVhMQLGdminq5RhfmaP4iE+xBaU QRnJHJUGyXfET1/xRIYfJ4NBkYucR65sTDS0cyahhar0VZcV7Z2Mukpn4BuVRIp+ obmnVqe+WMde98aTqSEVfPWZINEc7NxBYlgR75x27b9tn213zb+lbALhABZq7l/C o+g9oM67LG/RC5Ce3yEHh0WaDRYNlyIsbNk4X7MTkX3tmxSb6EgTeB+ENFn037Mt 9fuF8acNfxUlIXqkyWbtRVPjxNACg9ovvAUyhrdJLXgDrauUrkcw/oTZRU/AzBAc HwRmQXwzaPIK07qB1jNFz0NQzPkLa+wTjV92+xEMv8bfkFuhqYnUdcI9oOHxnCTQ weCYB+a3VnnnloAdtxwy1vkMZPqyjVDZAIMynj6A0uVU08JTv0dYw9yPbtO+Udw9 VlojYt1wawT1WLpNr9vD5K9O5nUGX2kE4BganRPAer7Reoev43qZXnJ46oUq4E66 4jSWmXlez0VtDdYnmWrpd7zibobJfAAYIWtgVxONF9uRRSZ/MsO0jb75+PMCD+Kw zP4fIDu31ttZqbl8FdwzJA99/ZQl07viUjKKO787PXlQyb3ns9ywSmEp4V/LwvEL mZoPCDaoIg8eq31m8ZjuET5RqSaMuknzv0oEsONZ4jgrDN0oCuVNVtyWZQ1/D+fl OorngBHVmwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRDpsAa dCGeAt+KqelcSzHdEbA3ejAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5mZmxjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3DIhjDAAAE AwBIMEYCIQCmJ1dGrewf1cgCr+gr3UNjqqaFYpwzNXN17b4XMcJCcQIhAJypHGtJ 6k1DBB68p4pu2/StHDcmSeiTPHsdRIrhihJ9AHYA8JWkWfIA0YJAEC0vk4iOrUv+ HUfjmeHQNKawqKqOsnMAAAFtwyIZSgAABAMARzBFAiEAgGqEfMp6/XG9vdfGv7LB 69MdWGBkyyg8nWa0slurJLUCIA4ls/9MU9Jz6gHxrC2U6ujL6YCMZQmjQbieYnjj PwtaMA0GCSqGSIb3DQEBCwUAA4IBAQBgFe+eLECxlDTh96R8BWhX/FMzSyE6+Kzr AxlyTob6hM3nLfV2w9LzbHuSfwE7MWyhutl56/zIruS9Ygh6yLGhZFs8MJ5hu3v0 GwSimRevLr7TONtac3woclKkmddJz5Jr/KlMpBaSmdknYsgmh5/VgS5gYDraIQj3 Owyl51U7QWogXhOmM1mJ7C8AfrwIyVv2+AqDjftbDIkJVOLkq/8KLSEFL0xL3Y1D uxXyPCepfnQtJXMWfYcjBkwyJbqlmU8UoPU58ZL4szCIaJCFsg6p6AuUWXOFMMbX f7gJyChE5MXBXrJunYTvCDgDIID2HKE1YYFqxk8iW3RJA60dOLfB -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA9E9PbOjlYTECxnZop6uU YX5mj+IhPsQWlEEZyRyVBsl3xE9f8USGHyeDQZGLnEeubEw0tHMmoYWq9FWXFe2d jLpKZ+AblUSKfqG5p1anvljHXvfGk6khFXz1mSDRHOzcQWJYEe+cdu2/bZ9td82/ pWwC4QAWau5fwqPoPaDOuyxv0QuQnt8hB4dFmg0WDZciLGzZOF+zE5F97ZsUm+hI E3gfhDRZ9N+zLfX7hfGnDX8VJSF6pMlm7UVT48TQAoPaL7wFMoa3SS14A62rlK5H MP6E2UVPwMwQHB8EZkF8M2jyCtO6gdYzRc9DUMz5C2vsE41fdvsRDL/G35BboamJ 1HXCPaDh8Zwk0MHgmAfmt1Z555aAHbccMtb5DGT6so1Q2QCDMp4+gNLlVNPCU79H WMPcj27TvlHcPVZaI2LdcGsE9Vi6Ta/bw+SvTuZ1Bl9pBOAYGp0TwHq+0XqHr+N6 mV5yeOqFKuBOuuI0lpl5Xs9FbQ3WJ5lq6Xe84m6GyXwAGCFrYFcTjRfbkUUmfzLD tI2++fjzAg/isMz+HyA7t9bbWam5fBXcMyQPff2UJdO74lIyiju/Oz15UMm957Pc sEphKeFfy8LxC5maDwg2qCIPHqt9ZvGY7hE+UakmjLpJ879KBLDjWeI4KwzdKArl TVbclmUNfw/n5TqK54AR1ZsCAwEAAQ== -----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 356855832013159713258256733416379460582628 . . . . . . . . [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 02:20:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 02:20:54 +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 996697049525480478610623191518880988787146138116632122070223862230899660588277549749848007556459385873678575693975615561824073767347875354746788195729665591608796368325967774498652049808045437310222294682193012995385355901893277850854502041491961102758372350803998098370048970627098890835544062332217675161927396042862776190364085978817810545457168706513368685350792724073365745137052658422819721428114689702724443392967695671132816815223400568822173536923647618136099364575605318505343619842558103635364779235419701614641238374587258947560603588332325359228474885152613830471459614856871239271677522287021623602132866459042609043781297790203437663146550938719684839141364054806905533822149542514542734167694901588497544171055942217944956946776661121748657132613445398899116858744603155352173617246030607686256570800875449859469958483929600262008276743614244221845110808439980886166340374496171290971294179082409678896459406833445596142573371554458771824091910826114549964319505130883763777354577047295970519046969623423597730632578374368238894564121134539159970780782025443407632304741510223641792368079626014456109098264582589283255651559910104973946633828611440588619203229850159852758573058630662440761524498972894436833539249563 . . . . . . . . . . . . . . . . . . . . [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) 43a6c01a74219e02df8aa9e95c4b31dd11b0377a . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc32218c30000040300483046022100a6275746adec1fd5c802afe82bdd4363aaa685629c33357375edbe1731c242710221009ca91c6b49ea4d43041ebca78a6edbf4ad1c372649e8933c7b1d448ae18a127d007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc322194a0000040300473045022100806a847cca7afd71bdbdd7c6bfb2c1ebd31d586064cb283c9d66b4b25bab24b502200e25b3ff4c53d273ea01f1ac2d94eae8cbe9808c6509a341b89e6278e33f0b5a . . . . [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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