www.flfco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:81:60:d3:bb:0c:1c:03:40:54:a6:6e:3a:37:e4:d2:1a:38 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): 03:81:60:d3:bb:0c:1c:03:40:54:a6:6e:3a:37:e4:d2:1a:38Serial Number (int): 305361988384084307842954380106597166881336
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 06:71:2d:7d:9c:bb:09:94:b0:4d:52:9d:1d:7b:96:bf:7d:4e:27:18
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1b:0d:cd:35:a2:6b:30:2d:a8:b8:11:bd:d7:7e:e4:da:b8:8d:44:04
Fingerprint (sha256): e8:21:52:01:fe:a6:f3:bb:bc:94:87:16:0e:1a:5d:58:de:9b:95:27:77:5a:7f:7f:6d:65:1d:a3:93:e5:f7:62
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----- MIIGUzCCBTugAwIBAgISA4Fg07sMHANAVKZuOjfk0ho4MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzQwNDVaFw0y MDAxMTAwMzQwNDVaMBgxFjAUBgNVBAMTDXd3dy5mbGZjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQClz0eht+VK0XhHoKri2jHMAwXwSFa8O2Cs 75iPwcgh3dPhcAbftiUzrnTNteaGX+JddrMtZDInxVZeHD3VjJujBO/igyWvl5yx /vK7BTl85GQwb+0opr1wFmMFi0w2Oca03SRK4cfXETGHRc3ggMdm8FzEzL1zhcRM j1KmJVeT+0PDDnHcwwsVZSS9x9jVPiTkD3nR4YhQFk4rXVgSQR4Sig8ds3w5Agpm 5BZNIKbeNSnc9cVss2uVc7swGQhZi0KrawdTLGNaKlRcc109CIxKgZFvTRr980ag nFuAlSf90c8gVVZUBL3b9sVU0gyQL1qwyoTkTU7P1lkRrjXAcZrELHKHCkzFnDi3 CAjoUx0RoXfEhb5NaQgflYlIC69chF9lh4ze8C8ndzJ3Yk7RoXvVG3sYbWdx8Z7b bE2/mDaeMVgHSAdB7atTc02+3hd3lgTHyt6mT5ugcF00e/x9h7apobUrQt2bzXKW /xT//BiNXkvs7RokYBEDOfeQ2R/wWcLLxm1aFAJ5m+Ot/HzhOcAtbAEyrCd6qDg7 yDVzBG4LgFeXIyqxVG+pc1741ZugEfvDQj7cNdl1zQXz+LgMnHfPfe7iwoc1Gbzt BWXtlooXeLNxcDQBJgyK6KYo0rVm7k9nOjNomYU0Z7VjedZaWz7hzmQpoyJaiQ+C ps0A7NSUzwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQGcS19 nLsJlLBNUp0de5a/fU4nGDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5mbGZjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW2+RNegAAAE AwBIMEYCIQCHR+oOxpUyAKUTYqjicof/W39qz1LZfgWs53RmwFnOAgIhAJXxlspe RZCXPzYR7PWCp8BzVc2589DYxxtc8fqxZJajAHYAb1N2rDHwMRnYmQCkURX/dxUc EdkCwQApBo2yCJo32RMAAAFtvkTX1QAABAMARzBFAiEAjLNvY7XtA7/5YXCY/TjZ LcrjU1e/MMA7F8nrvmAXQ1MCIAO9Md8DpRiixRCOLsyExLX3Fva2D05Z3F4cjaVH bgVLMA0GCSqGSIb3DQEBCwUAA4IBAQCCez5sbaYCmxJjt5qYrIuqveEncOyg7YKK dR0+5Y8BKNDaP+JGh9tZV66Ueeb/6mQHpi/a+NZBFcSiqardAZ8PbqG9iGw/GJ8F 8S+kjgxdNQzdXH1cZw0roxaM52mtx3tI1ibmVpCElfqpYsHPXKYUauYw/wwTLxG3 0L9IwOg8GaCKkY7++C6LNWRhKhhnTL9ehgdGvK8By7bBoUDpuwL52yfiTa3Mw+Jw 6We+b0XDKXthdeAeZEubi6Woa/TRBW/lYR1vT7gvvDyawl7KNhmOsSDseZBWy+Zw Tp/3c9LPSfbda0HfZouHeUnUJtypJ2LQ6Nc5MhYA1ijKyAJRtNz5 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApc9HobflStF4R6Cq4tox zAMF8EhWvDtgrO+Yj8HIId3T4XAG37YlM650zbXmhl/iXXazLWQyJ8VWXhw91Yyb owTv4oMlr5ecsf7yuwU5fORkMG/tKKa9cBZjBYtMNjnGtN0kSuHH1xExh0XN4IDH ZvBcxMy9c4XETI9SpiVXk/tDww5x3MMLFWUkvcfY1T4k5A950eGIUBZOK11YEkEe EooPHbN8OQIKZuQWTSCm3jUp3PXFbLNrlXO7MBkIWYtCq2sHUyxjWipUXHNdPQiM SoGRb00a/fNGoJxbgJUn/dHPIFVWVAS92/bFVNIMkC9asMqE5E1Oz9ZZEa41wHGa xCxyhwpMxZw4twgI6FMdEaF3xIW+TWkIH5WJSAuvXIRfZYeM3vAvJ3cyd2JO0aF7 1Rt7GG1ncfGe22xNv5g2njFYB0gHQe2rU3NNvt4Xd5YEx8repk+boHBdNHv8fYe2 qaG1K0Ldm81ylv8U//wYjV5L7O0aJGARAzn3kNkf8FnCy8ZtWhQCeZvjrfx84TnA LWwBMqwneqg4O8g1cwRuC4BXlyMqsVRvqXNe+NWboBH7w0I+3DXZdc0F8/i4DJx3 z33u4sKHNRm87QVl7ZaKF3izcXA0ASYMiuimKNK1Zu5PZzozaJmFNGe1Y3nWWls+ 4c5kKaMiWokPgqbNAOzUlM8CAwEAAQ== -----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 305361988384084307842954380106597166881336 . . . . . . . . [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 03:40:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:40:45 +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 676444505023714453591253332455978053310964233586637672978752365003216364577222899870661784449940783505673285878037779355348712159581674416035967649804701599184133810539021269582108703704024509529569218511912717442602712453688887576995066036390647129472742775930282531531789001968499549651460050832900929960480496706323936989740763311591718973235898025194174564406029861125397157785574506069447017215247710495444698701075942193606498607953293016054845913865478204825977753017881353606442243537703682598652543137916413019326765726132573470230477453920319260996244960825124045122786161588156280914573299639150549370973372555454339824138554091400853629260924232819447669144727113523197667748804179166426693735707137220984856271612318440920773668675671599042815251934937048096470134844873634298517514261839168041049553126465557186667030954454964957132443259972555578429570002198297359756841697784324358970589581127506260387844333170497434727801698721992720634731332773537486157746278033948446508299208062384019634662492821432579692965278702352576258686891296294960195860485706788872283944335565316643555119172052154826048682749557590932695613011233191072968740002277068557032890380316486707360946061834683419836753961519522950196766217423 . . . . . . . . . . . . . . . . . . . . [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) 06712d7d9cbb0994b04d529d1d7b96bf7d4e2718 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe44d7a000000403004830460221008747ea0ec6953200a51362a8e27287ff5b7f6acf52d97e05ace77466c059ce0202210095f196ca5e4590973f3611ecf582a7c07355cdb9f3d0d8c71b5cf1fab16496a30076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbe44d7d500000403004730450221008cb36f63b5ed03bff9617098fd38d92dcae35357bf30c03b17c9ebbe60174353022003bd31df03a518a2c5108e2ecc84c4b5f716f6b60f4e59dc5e1c8da5476e054b . . . . [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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