kjfco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e8:f1:87:9e:34:1d:f9:d7:24:13:84:b5:2f:a6:62:75:bd 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=kjfco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:e8:f1:87:9e:34:1d:f9:d7:24:13:84:b5:2f:a6:62:75:bdSerial Number (int): 340603415036748389321968135190314899109309
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a7:bb:2d:4f:91:a0:9b:72:99:d7:06:8d:fe:b0:23:9f:6c:cf:81:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 07:4a:b0:76:73:7d:67:17:72:1f:a8:7e:8b:e2:1b:8e:1f:cb:d8:e4
Fingerprint (sha256): f9:6d:cb:52:5c:45:92:64:8c:31:86:68:9d:52:ae:48:db:eb:69:46:d4:61:62:1f:d6:b5:57:83:3a:33:63:7c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate kjfco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kjfco.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
kjfco.com
Other certificates including the domain name kjfco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for kjfco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA+jxh540HfnXJBOEtS+mYnW9MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTEwMzMwMzJaFw0y MDAzMTAwMzMwMzJaMBQxEjAQBgNVBAMTCWtqZmNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAK9PInknRsGiN6Os8KYaeqYX4a1WcjCuKUihPP3+ 5m+lcq6G9s8ihU1aEr082WN2WhEj/qWECnx3LqGQpMLy4hjcFPuUrvTXvXJcOHvX 98hT2dYdh54048/jNcq7eohpA5tYqzPMk8FLkvXWkXNtCMqhundY1XuKVv2f+wpN rihOAdEvO+Nq3b+JpHSigyA4IBqHtZO3MfpB5t7fxcKLIw9q2ytPY4KxqdHXjAH8 KPtkRmCLZiidHmHUazBZq9CRi7uGAKwHbGoYKu+m516OshAx6px60tDZWJ1MbrpQ iap2Ipwvkx5O4QEe1m879qQcuj9J4OYFWzP406nevI1ljWPWZjveo7z0bNcQz01I vBkK3Yw/RI+9JYQeYrRYD0So1WqOgfk0sWI4xC4GakmAoK9Y8NVIrniPwQwVCPgF ghOd6OXl68ALr7sBFrKX2iNF1udhxl5/eU+0+PkkpIrs0lMXy9UWB0UgyuFo9zsN hPuigkH1oZs3kZbYkupOttAg6PO0zV8VeYf73TgHTdn1pVPD+PH53QNpFS5KOZhc cbqDS/ar/8SpvNRLFT+yh/3/c7sYbuaqsUyx5u2eJ1as3ropKnht9+mA6CE9VJDK QB4VhsWG/9w35T4ZefhZRonsPniMY6wVPOkBNC60e7bzMCW7m/eDY5ZBqKTLwi5w c/khAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFKe7LU+RoJty mdcGjf6wI59sz4GzMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJa2pmY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFu8zkLFgAABAMASDBGAiEA 2uOVdhQR7i48TV4TSkgjjilaINawfTWsqqKVgE1M15cCIQClzgDu/h65IhxQAPzJ tHX6MlMtJHLFsYbnS6QitU7E1QB2ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJ Uy3vi5BeAAABbvM5CwsAAAQDAEcwRQIgL3DB13dU1+yivjLFcM7w7j4wVPpn9Tp1 J7FiNUIxDLkCIQCXpUCgTKW7ZVe+EQ/E9/IGACywjwlMnauf6ef8Ij0VTDANBgkq hkiG9w0BAQsFAAOCAQEAkzlKkL2tU1tXti2afl1UPGjw0sqQ5/Ne11OwZClg1S1H S+2wFeoCj5l0rteEG6pPru7yjy6eWbamba38ekcgZpMb8mOVA4XmtSNKKybAHE3j R4OQzQ2wC75jIMo1E0rmYw2tp/FdLO4YW+5QYPsCGEbxxv7SyjWJ+H/bLp929RWQ qXvde33weXnDEAX0qXbIXuOun0b9UjshOHIUMvQwZ5w9V/cVQ0+Jfv4zRMezyRp3 uFVInrofMXRETh1NZY7P9EyNgQkMiOuyweaKiZCoxCSSF9QacFKqkkaTXNvMGJ7d mNxmZaG/xxuu+GXdmsNY5TW1l6sCWl6ky6K02011rg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr08ieSdGwaI3o6zwphp6 phfhrVZyMK4pSKE8/f7mb6Vyrob2zyKFTVoSvTzZY3ZaESP+pYQKfHcuoZCkwvLi GNwU+5Su9Ne9clw4e9f3yFPZ1h2HnjTjz+M1yrt6iGkDm1irM8yTwUuS9daRc20I yqG6d1jVe4pW/Z/7Ck2uKE4B0S8742rdv4mkdKKDIDggGoe1k7cx+kHm3t/Fwosj D2rbK09jgrGp0deMAfwo+2RGYItmKJ0eYdRrMFmr0JGLu4YArAdsahgq76bnXo6y EDHqnHrS0NlYnUxuulCJqnYinC+THk7hAR7Wbzv2pBy6P0ng5gVbM/jTqd68jWWN Y9ZmO96jvPRs1xDPTUi8GQrdjD9Ej70lhB5itFgPRKjVao6B+TSxYjjELgZqSYCg r1jw1UiueI/BDBUI+AWCE53o5eXrwAuvuwEWspfaI0XW52HGXn95T7T4+SSkiuzS UxfL1RYHRSDK4Wj3Ow2E+6KCQfWhmzeRltiS6k620CDo87TNXxV5h/vdOAdN2fWl U8P48fndA2kVLko5mFxxuoNL9qv/xKm81EsVP7KH/f9zuxhu5qqxTLHm7Z4nVqze uikqeG336YDoIT1UkMpAHhWGxYb/3DflPhl5+FlGiew+eIxjrBU86QE0LrR7tvMw Jbub94NjlkGopMvCLnBz+SECAwEAAQ== -----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 340603415036748389321968135190314899109309 . . . . . . . . [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 2019-12-11 03:30:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 03:30:32 +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 'kjfco.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 715198810540060772520383070697982872690064323847290795704004422723823540952751234910001557584671682602573462941059490712736372399962548135118502541508797578442535572539108489336696754569062099156271096805473209754853441608176224172508155522052177625488418446236149869450021580339545495872667401033266948796254714090669860576935297163378389379777301797514506086201588192367016648672602827836823756889250212115115389735545217657264753349003761670621099937602715957324824007234206558674610796399297543416071552273083034508920670126822555666804268374624328094624397550891140161591337815552386173579433560013187627787677776961156262148349000430000221135261209301591472884490898248513628116334991710158466971609434801957230437187281527530368291273222619420809020304124874933052708008389573189867849306361942184050417519144388778377958315327721537171390785907969719705129085573750356780129913926505107790729511553816545420734256503806586407727448324396358458116651987155399347326905154221516647813169090281127729274042587596744443066727982646736196537841844214313836579977672936658283756223028290604201494590868387741886082330348918164219034826842161206921376670781127866578293844365542224456659120853066480151002002690653688133447916452129 . . . . . . . . . . . . . . . . . . . . [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) a7bb2d4f91a09b7299d7068dfeb0239f6ccf81b3 . . . . . . . . . . . . . . . . [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 'kjfco.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) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef3390b160000040300483046022100dae395761411ee2e3c4d5e134a48238e295a20d6b07d35acaaa295804d4cd797022100a5ce00eefe1eb9221c5000fcc9b475fa32532d2472c5b186e74ba422b54ec4d5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef3390b0b000004030047304502202f70c1d77754d7eca2be32c570cef0ee3e3054fa67f53a7527b1623542310cb902210097a540a04ca5bb6557be110fc4f7f206002cb08f094c9dab9fe9e7fc223d154c . . . . [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) 0093394a90bdad535b57b62d9a7e5d543c68f0d2ca90e7f35ed753b0642960d52d474bedb015ea028f9974aed7841baa4faeeef28f2e9e59b6a66dadfc7a472066931bf263950385e6b5234a2b26c01c4de3478390cd0db00bbe6320ca35134ae6630dada7f15d2cee185bee5060fb021846f1c6fed2ca3589f87fdb2e9f76f51590a97bdd7b7df07979c31005f4a976c85ee3ae9f46fd523b2138721432f430679c3d57f715434f897efe3344c7b3c91a77b855489eba1f3174444e1d4d658ecff44c8d81090c88ebb2c1e68a8990a8c4249217d41a7052aa9246935cdbcc189edd98dc6665a1bfc71baef865dd9ac358e535b597ab025a5ea4cba2b4db4d75ae