www.flfco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9b:46:cf:ba:cd:b1:d0:29:0d:73:25:5c:08:ad:44:62:ed 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.flfco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9b:46:cf:ba:cd:b1:d0:29:0d:73:25:5c:08:ad:44:62:edSerial Number (int): 314174749222005852688926011557074220376813
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 2b:7b:85:38:2b:b4:b7:3e:96:cd:9c:99:0a:fe:a3:f7:02:76:a5:e8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b6:6e:d7:8f:4e:77:23:55:92:08:6a:1d:a7:e7:4b:d0:fa:2b:85:ab
Fingerprint (sha256): 12:27:ff:33:dd:2b:32:4d:1e:97:b3:0a:2f:78:40:01:25:f8:e1:10:02:d5:c0:2d:ee:51:7a:6f:fb:28:07:51
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.flfco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.flfco.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.flfco.com
Other certificates including the domain name flfco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.flfco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA5tGz7rNsdApDXMlXAitRGLtMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDIwODQzMzVaFw0y MDA0MDEwODQzMzVaMBgxFjAUBgNVBAMTDXd3dy5mbGZjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDv4EUcfFeX+1jQ6PSwYRuZ0juf+zNBHYpj +mUjSgyFhlLUnfw0nA2DfSSoQaApjEuRwMx4aTGCS+4fTf7KhE+mNOdmmCj6iEzy DytiBuAc4zwUvbdOEo/0CwVFje5DkN8DMTtYdOh/gzc/oEynOh9Tnolz9z80MsRl xTA/BtIjH66uZbW6IkvXAWCTcCN0GR8CnDZEaOM6vyEBYqR3GMMGv2ynOlE7Ec51 XmZq+UIOtkSO0ooZFb4khr9ICYJCm3P/ubfsb9dpuBpPmP/DYmuS5GwQwXGeIDbG PkTg0sP4ojZzlCY7LsduPQPM3FkjXXvAw4k4o2WT4IVbL2/M8X+yazIiGtWMIoLk Lt1on8GEKZxeF1tscImWhPdCdabBT+6uNcYKOpSu/3lTi+02bPA//HPwfdOEw/dC mpCEikbxaHgM5q5s6cPfwzrw0MZiApyu7QjTfSPQCy0s2zcL7RhpMknBJq2jcpwp 0CGTpVI4+vjH+yRtozkFqXed8pmhoUlByEBQtiIy2cFflEAVagCf0f+32RtH9VGm E8jvmrqz57YE1h0Szb94744IqAwAXkN6PCKPy1yqo0b+P3jSN9xO6wjg+7SGiUVl gFKM1Y15ZFp8NZTYCx3u5bfPifB4Fru4o8RQAlIEdmpyrmubUFTln0NGjmeV/tOD BvdmiPOJUwIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQre4U4 K7S3PpbNnJkK/qP3Anal6DAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5mbGZjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW9lo47AAAAE AwBHMEUCIGp4rx6Q4tQ96/drBw48yyYx3BLSZ4ZEdeHKyP0F5ANkAiEAmwlzQnMI uz6rnhODdJtOjCIw4wXpwjwGKjVMS0LU1HcAdQCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAW9lo46uAAAEAwBGMEQCIA94O/cT/QXnGLbWcmYB9Yks KUlkcXAb9J9eRov7Czq1AiAwQvUhUXGICyY5xkhFRRa/qhhKu2RD8QPLYeexTDn9 bDANBgkqhkiG9w0BAQsFAAOCAQEAYnWujnoIMeIWLoPLZs7NNnuxnfFEL5Z31Vx+ /bKl08USfZJLDKV/N5KXI4wY9eneMi983mK1djIEIVWvMaPZmdfvH7a32kLKe5eQ L0BKkEJNxWRsfNeHtyJQt+4EgG1kexU/6umyTS+c3WVHGd+3TdN6unSiCi0pzLPU QH5mdM05EFl2Znq10u1xJmTIfRshk8vq6NBzLIN5fU72JGp/gf3z5ZnO7HTkWRjC h9DVPJtxndk/mEjMOHg70wOd96MPQl3lkXLcsAIrlcdNKQ6sEOyds1SADsG4LUb5 E1rlUkb+CAfe8ekuSL3J6zYCnTtxNh9nJfsW651nY/ieGOORgg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7+BFHHxXl/tY0Oj0sGEb mdI7n/szQR2KY/plI0oMhYZS1J38NJwNg30kqEGgKYxLkcDMeGkxgkvuH03+yoRP pjTnZpgo+ohM8g8rYgbgHOM8FL23ThKP9AsFRY3uQ5DfAzE7WHTof4M3P6BMpzof U56Jc/c/NDLEZcUwPwbSIx+urmW1uiJL1wFgk3AjdBkfApw2RGjjOr8hAWKkdxjD Br9spzpROxHOdV5mavlCDrZEjtKKGRW+JIa/SAmCQptz/7m37G/XabgaT5j/w2Jr kuRsEMFxniA2xj5E4NLD+KI2c5QmOy7Hbj0DzNxZI117wMOJOKNlk+CFWy9vzPF/ smsyIhrVjCKC5C7daJ/BhCmcXhdbbHCJloT3QnWmwU/urjXGCjqUrv95U4vtNmzw P/xz8H3ThMP3QpqQhIpG8Wh4DOaubOnD38M68NDGYgKcru0I030j0AstLNs3C+0Y aTJJwSato3KcKdAhk6VSOPr4x/skbaM5Bal3nfKZoaFJQchAULYiMtnBX5RAFWoA n9H/t9kbR/VRphPI75q6s+e2BNYdEs2/eO+OCKgMAF5Dejwij8tcqqNG/j940jfc TusI4Pu0holFZYBSjNWNeWRafDWU2Asd7uW3z4nweBa7uKPEUAJSBHZqcq5rm1BU 5Z9DRo5nlf7Tgwb3ZojziVMCAwEAAQ== -----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 314174749222005852688926011557074220376813 . . . . . . . . [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 2020-01-02 08:43:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 08:43:35 +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.flfco.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 978608923022628560607661711532809853463718903991695352695777848051187603761637317818666659381749877356475782449896498001923058124058695316050645237756494070403412856817359159023741821300108255671601494136994105751568644032420205744747581536383621591845684882934654007339430794581057777293825727799760254221725810161364594512779313334192227686756482660122195779698259100466550582445208879187883052160998957399923521820885166908683983376967666661347322320761658841508163102297982485511652959100357633111740789930685551378496165046539590862282977354614837051757103534217122410543689324285541121991704022081882512742051345191603623004775591707859035218709037058080998736159777920502089473603848991700501471257253030469264079939583640006949761280056235043961998378202163006249583831940336075582198107685832481386195598134904051460335220315800752902818372091241037900074890532215143444709639234296080054303192768451065044036638165306907053698253645946751141052912518208617543023697606928236405794086796522585591624313542367921315499713368405015866461186166003143406097353152629348830388932927162958237976897251739706894225069577019225015854332641815862844473863991266956940020942150645725619129197043250093972251770030949524346753852344659 . . . . . . . . . . . . . . . . . . . . [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) 2b7b85382bb4b73e96cd9c990afea3f70276a5e8 . . . . . . . . . . . . . . . . [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.flfco.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) 00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f65a38ec0000004030047304502206a78af1e90e2d43debf76b070e3ccb2631dc12d267864475e1cac8fd05e403640221009b0973427308bb3eab9e1383749b4e8c2230e305e9c23c062a354c4b42d4d477007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f65a38eae000004030046304402200f783bf713fd05e718b6d6726601f5892c29496471701bf49f5e468bfb0b3ab502203042f5215171880b2639c648454516bfaa184abb6443f103cb61e7b14c39fd6c . . . . [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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