www.fkbco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f0:97:b6:5f:4e:07:91:1b:89:2a:b9:7d:f7:cc:ad:5e:0b 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.fkbco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f0:97:b6:5f:4e:07:91:1b:89:2a:b9:7d:f7:cc:ad:5e:0bSerial Number (int): 343206286214708797648886551457555471490571
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cf:69:27:39:36:25:ec:26:9a:d1:1c:80:30:66:1b:12:c2:fc:19:09
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f8:2f:67:59:29:74:78:3b:e2:ef:2b:24:3b:bc:04:70:19:05:21:80
Fingerprint (sha256): 74:dd:41:36:f5:a6:1b:ad:3f:35:96:11:a5:85:e3:1d:a2:75:3f:da:e7:8c:db:7a:5e:08:33:5f:0b:49:b8:24
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.fkbco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.fkbco.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.fkbco.com
Other certificates including the domain name fkbco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.fkbco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA/CXtl9OB5EbiSq5fffMrV4LMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMzM5NTdaFw0y MDAxMTAwMzM5NTdaMBgxFjAUBgNVBAMTDXd3dy5ma2Jjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDYJA+muJPRlNHY8lxzulTmIuvtsz1bGGk3 8UjU7ONFdvz6puYvB9au6JS8rMVn9K20Kz177J074ZlstBxUCsuvSXJf3nZc7Hyn +1q4xxziyhhHxNGQ1M00U4d4I7g9g1vK03qmVuiwA+uzIYOoJw77RLRPukcGsUlS DHyevWd+ZTcIszg0XJdx8Dr1BIs8iHerBoZ+FKjVXN03KdQR/MHmJ9umoQQByY+r hK6/KXDws8kEqjWaqPupj7pVl9vfA0a6Z5ykBD3zDJeVH8O1Cl32kWMZSTDWTY6X xfXlK01QdfCpC0EL62yOeGWNWyS/ANJ7WloEKI4bDQ/k3vzpZrgc+WWUn/MpbSOb 259/e7ot2pPjQdxHgTetTAU31R9nwRLkKH27GnkSz8ex6kHiggVjEEPvQHsi5a9z EyAOZrPbwpwKSFlvKDopK0uGhBR0KiNRY0eoc4+bfN3NfRdvNW2WddkVjuolDXK6 T3v/sDWjjvE3bSnWukA3y5Q2pO/HzdpqczDJQ3qnR3JXgMIgkbCw8ZtOLL/c92nx moyd0M+v4fwDEnsr2if1xIFVGfPi+etz6Bc2K3RviNKRKLVs2IQ6rnGwNBjUltK2 CW0tNYFssO7F+Iz4pHN+heFji1fa4QMW4Q+ehkFUDntoPooxfFmUAGQzfPLtITH2 Mgf7X0KupwIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTPaSc5 NiXsJprRHIAwZhsSwvwZCTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5ma2Jjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdQCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW2+RBwQAAAE AwBGMEQCIA5AQGE0aK5vmGS9DbxBOzbALJJFlbRdz06NnwkfeaznAiBwx7wpf9yk YKnwAWjUDrnoyEH4QWgOK5/tYUYzy7gIkgB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoM hKESEoQYdZaBcUVYAAABbb5EIAYAAAQDAEcwRQIgbDCE+/GzQHozJ44o1EpfCQYB 39yBtw+m9jXlub4daYQCIQCS2ZTBywXvO1gqp3Xpl9ypxHdNROWzkbF7r3fpyyYS HzANBgkqhkiG9w0BAQsFAAOCAQEAbvQkhClPfvqnpWqgGI4fuAuNvs/kh4YvRzAd k+HdHwuwABiw2WHZ9q/kirrMviaEKFpraoalD4lhs+hnID9iYaqWn22/P6kLwQZj QQRQAqJ5pzMV2F4TcQilFnSBoQ1ZHS9y3EnqNCxL3LPzb/rrIJiJm3/+wMxcE/DJ QTuq0mVKnCtGAMwvT8gwhgHV9RkHWldTIegR/78dOI/QN4ghOm2mIAlE74BNCoFE +y4BH+dlc8Pfgampzj6lQSdpnmAbljKuxZHSeTUJS3OmF17fif4NppcoXJzJFvrX xdKpnfCTIkn0bzJGuNjinHMPe/D0rQHTIkz8t9DQ3nW1d2qrEQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2CQPpriT0ZTR2PJcc7pU 5iLr7bM9WxhpN/FI1OzjRXb8+qbmLwfWruiUvKzFZ/SttCs9e+ydO+GZbLQcVArL r0lyX952XOx8p/tauMcc4soYR8TRkNTNNFOHeCO4PYNbytN6plbosAPrsyGDqCcO +0S0T7pHBrFJUgx8nr1nfmU3CLM4NFyXcfA69QSLPIh3qwaGfhSo1VzdNynUEfzB 5ifbpqEEAcmPq4Suvylw8LPJBKo1mqj7qY+6VZfb3wNGumecpAQ98wyXlR/DtQpd 9pFjGUkw1k2Ol8X15StNUHXwqQtBC+tsjnhljVskvwDSe1paBCiOGw0P5N786Wa4 HPlllJ/zKW0jm9uff3u6LdqT40HcR4E3rUwFN9UfZ8ES5Ch9uxp5Es/HsepB4oIF YxBD70B7IuWvcxMgDmaz28KcCkhZbyg6KStLhoQUdCojUWNHqHOPm3zdzX0XbzVt lnXZFY7qJQ1yuk97/7A1o47xN20p1rpAN8uUNqTvx83aanMwyUN6p0dyV4DCIJGw sPGbTiy/3Pdp8ZqMndDPr+H8AxJ7K9on9cSBVRnz4vnrc+gXNit0b4jSkSi1bNiE Oq5xsDQY1JbStgltLTWBbLDuxfiM+KRzfoXhY4tX2uEDFuEPnoZBVA57aD6KMXxZ lABkM3zy7SEx9jIH+19CrqcCAwEAAQ== -----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 343206286214708797648886551457555471490571 . . . . . . . . [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 03:39:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:39:57 +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.fkbco.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 881777792936672949227216524200108704818389812327502848895737849005861068412452353828998272867998016591085243182116780476089307128991260360572265104546835086114242037570220389794379420006019008905982742577537902120279268978203798685314761938578584573744452752212033406069084627023298153593944089061737100130204023291925983971964484687513000280776858180751856071492017270021693633121869906986291428722770524703353474017779091651089882842656537090475366137676883176805642049239092120532895402998954598181562136076851121093890278140478790906744288786922569227646973101425180993769819398061750304794814322985132068326625197342062649786466168517727907439750172944578523824363083951384612273825305262851609148074429331956335938046620267488337511821735255864216086998087654019847128608326605882148867339211792758074777340841235485671816940838409558391188595353630638902654894186762794884934164374824971493488686650309021998162917055968137412774650950009657978370204956543300453919512397628930290133174457138279263894828199614249444815685747258977942089495492090329060689367169717414923538995851790081683740334617980300953127634916862651706722222616711250818516741612814461632508226012427852504803524731538740896681532058640389618837533929127 . . . . . . . . . . . . . . . . . . . . [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) cf6927393625ec269ad11c8030661b12c2fc1909 . . . . . . . . . . . . . . . . [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.fkbco.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) 00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe441c10000004030046304402200e4040613468ae6f9864bd0dbc413b36c02c924595b45dcf4e8d9f091f79ace7022070c7bc297fdca460a9f00168d40eb9e8c841f841680e2b9fed614633cbb808920076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe442006000004030047304502206c3084fbf1b3407a33278e28d44a5f090601dfdc81b70fa6f635e5b9be1d698402210092d994c1cb05ef3b582aa775e997dca9c4774d44e5b391b17baf77e9cb26121f . . . . [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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