flfco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:4c:01:8e:b1:85:e1:7c:83:4e:c0:f9:ec:9d:1f:21:16:15 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=flfco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:4c:01:8e:b1:85:e1:7c:83:4e:c0:f9:ec:9d:1f:21:16:15Serial Number (int): 287200387816015390139321341302193889809941
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 5f:80:84:76:47:42:14:72:cf:58:51:e1:50:27:da:6e:4c:53:ae:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c6:7b:24:bf:87:25:ee:75:59:f9:32:83:f9:76:c3:42:9d:cc:ac:8c
Fingerprint (sha256): 80:16:1c:20:d6:e4:37:a4:07:b0:e2:68:1d:31:96:e9:d0:62:d6:e6:30:b3:1e:27:d9:aa:3d:f5:ba:03:4d:f9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate flfco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
flfco.com
Other certificates including the domain name flfco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for flfco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSTCCBTGgAwIBAgISA0wBjrGF4XyDTsD57J0fIRYVMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzQxMDBaFw0y MDAxMTAwMzQxMDBaMBQxEjAQBgNVBAMTCWZsZmNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBALrWi5Jl3+B9ByXwTK10imht0dyZdsk/LrKA4QVC YtVvfD+XS0Puqfo7XCnS53dr5wG2PtZCf8VqQisLWMqAkEOxPtGlc6LfBRp2gOt3 gkR7SnDPAnsnXCOThYr9Whsl4xwir1oMfR9vqIwlaELVk/obPZVjG+Z4ec8Xr7qw qIYZd3N0FGg9sp3cWLDkTiNZ0N5e7lhTN0lXJCNCEP4ZWW0NkyK2whFyDDV91LV9 F74dWRPCV5K7lGrHMqobRxxNsYI6OH5ismlukhEShomeC7fZioeRefhNVTPWF0Ot rXteJ+pARO6crvgj1xUJV5F7nexFuOKSJTWUOgH8cwycXrbXAcG4JlJPWxJjN7wv hgjCnGqC7jU2g7sXER+UUMXRvXRzsFq5UPnU+eSworKZQh2jYpB0cXidQcJ9XoP8 jdyqzBoQ4G3f8rBs8XLcUTf6/bpM9CJaLjds7gGeTvD1lnpBTsUD1KcHU4B1D/gJ lrnZsUXpx4l16DEMScXlJLhzMgSKt6OfaPqOc4brgPwZGuzwu8mfkj6N8B0ZEHMb om2HRZYHsYHe/WPqIcMjfrp865BxmBqUS4SwMfqEvb1+gnHUnhVf3VWjbMvfRsyN cJbgenpvQVC2AsCumALUiJgYq+0ABNHISYB2iShZIShnYA8UwujK2xxmgpWGpy3C 5OIbAgMBAAGjggJdMIICWTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFF+AhHZHQhRy z1hR4VAn2m5MU64XMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJZmxmY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFtvkUSYAAABAMARzBFAiEA gdC/cMjlnD27DHMB5awhQD7SEFTgxR+dBHJg2WOkcbsCIHyOmsBpsd8Df581RGz5 fzPq5bTsoDmJy1/39cmgoDxCAHUAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklT Le+LkF4AAAFtvkUSUwAABAMARjBEAiBLcmbqF2A8Xt7mUBiN5mgyZzQYPDkQso1t AroqU00qpQIgZe0H/qTBk9HPwlBHJ9wv9H3Dk+/ovooRZIkZSFpl2RgwDQYJKoZI hvcNAQELBQADggEBAAThHJkSfX5cZaENu8ZLYuy+pY22+woa7XD0DfAaZO9i/xP+ 5iMl9KBGYDS5fQdbBOEgtXTiuaxmO6/F4BWU5qxp0PspbyFMEcSvh1XpXuDyP5O4 kwJbphBnRLgoUwpwGtZkZ6Wxxa3nyRzGoAtBt5BuDVsdOlOdq3q2x6cauPK9UIjK ogfMtPhjVRUYkk2AF73lZd+R9qSUu0KnJ+uWdSFvmCLhZ6YpPCYX+W5qXxeROGyy uJCTQLj2AytktatQPCHjT6rdsxpH7ughDNasUupUfiJroka3meFRRq/kHpFxuyrD WTPufvSnFG/tPBti7UjzSth7mxaaBKkmsAhi/kw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAutaLkmXf4H0HJfBMrXSK aG3R3Jl2yT8usoDhBUJi1W98P5dLQ+6p+jtcKdLnd2vnAbY+1kJ/xWpCKwtYyoCQ Q7E+0aVzot8FGnaA63eCRHtKcM8CeydcI5OFiv1aGyXjHCKvWgx9H2+ojCVoQtWT +hs9lWMb5nh5zxevurCohhl3c3QUaD2yndxYsOROI1nQ3l7uWFM3SVckI0IQ/hlZ bQ2TIrbCEXIMNX3UtX0Xvh1ZE8JXkruUascyqhtHHE2xgjo4fmKyaW6SERKGiZ4L t9mKh5F5+E1VM9YXQ62te14n6kBE7pyu+CPXFQlXkXud7EW44pIlNZQ6AfxzDJxe ttcBwbgmUk9bEmM3vC+GCMKcaoLuNTaDuxcRH5RQxdG9dHOwWrlQ+dT55LCisplC HaNikHRxeJ1Bwn1eg/yN3KrMGhDgbd/ysGzxctxRN/r9ukz0IlouN2zuAZ5O8PWW ekFOxQPUpwdTgHUP+AmWudmxRenHiXXoMQxJxeUkuHMyBIq3o59o+o5zhuuA/Bka 7PC7yZ+SPo3wHRkQcxuibYdFlgexgd79Y+ohwyN+unzrkHGYGpRLhLAx+oS9vX6C cdSeFV/dVaNsy99GzI1wluB6em9BULYCwK6YAtSImBir7QAE0chJgHaJKFkhKGdg DxTC6MrbHGaClYanLcLk4hsCAwEAAQ== -----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 287200387816015390139321341302193889809941 . . . . . . . . [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 2019-10-12 03:41:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:41:00 +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 '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 762232812523350207291659075399964665156204622619140505749097832042657717042240715263959455425840248618921530628935880404619844426513424215264030400432273335562413866830525889513852634018307528822304005605192451385752278019993247105375303070820688059163096515178786889271310245029349749773860387071874536397666372760142483801675636666729158934495205924770266707595930438773993932098110641510162357543394605420134188056316216824332816863680112386824556327314113482719510670970395624088444634111435230373925109089922272551944067249539775376288499925915202192691710526345103166717963106922718929671395676353908471631602413068918775240024268766506233341422709268888183302738905062817977813023513064655585628317756477872922139001508236627078555459192520534226467147988696074265393357818730486062477120164058807201794205721802981592121854998714120714870105331580332840784188003578702090344197122655341318790242730531449541977383992046995400123397018078496109695738081126959845318418561717986735200265012491947986668336295554998092182971506165959709923906168823759183077352622968139839512899890099052964807190284303626486479130836561894264381565082052265207091262260464716930002144808378137318437128948177947169842680337430579454411354202651 . . . . . . . . . . . . . . . . . . . . [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) 5f80847647421472cf5851e15027da6e4c53ae17 . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe451260000004030047304502210081d0bf70c8e59c3dbb0c7301e5ac21403ed21054e0c51f9d047260d963a471bb02207c8e9ac069b1df037f9f35446cf97f33eae5b4eca03989cb5ff7f5c9a0a03c42007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe451253000004030046304402204b7266ea17603c5edee650188de668326734183c3910b28d6d02ba2a534d2aa5022065ed07fea4c193d1cfc2504727dc2ff47dc393efe8be8a11648919485a65d918 . . . . [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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