www.ndnco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8e:22:ec:5d:9a:48:1c:f1:c4:c8:37:95:70:3a:68:b8:8a 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.ndnco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8e:22:ec:5d:9a:48:1c:f1:c4:c8:37:95:70:3a:68:b8:8aSerial Number (int): 309703374930456851189822410245429636151434
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cb:5e:57:c4:b6:5d:20:aa:aa:de:3b:18:75:1a:05:97:ca:6b:10:5f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2a:63:96:1b:b4:0e:ab:d3:13:7c:e8:d3:b8:2e:70:d7:7a:fd:ff:ff
Fingerprint (sha256): b4:eb:54:ad:2b:3c:ea:29:ca:57:ff:01:ca:0c:ee:4c:07:30:42:16:ce:c5:5e:9a:ef:84:84:d6:90:fe:af:97
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.ndnco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.ndnco.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.ndnco.com
Other certificates including the domain name ndnco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.ndnco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISA44i7F2aSBzxxMg3lXA6aLiKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTEwMzE4MDNaFw0y MDAzMTAwMzE4MDNaMBgxFjAUBgNVBAMTDXd3dy5uZG5jby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDhggM/YbquP8EbpbMOOevIEFxmx+4HI5s2 4w0czqTRNFFmcZ7f8XAFBCEtnmgD+xFOrCGJqsj4giOQT9rvwN+E70op1uGrqRQi LzhlA3GMvrT7YNjLV5z3UFrimdL0yxmW1qjtF55UgG3w0BSbmbTq9ZQFHBFJ/ilg 7KTd7sCq2PUl6m1BcFJCE2TDHyDnubmzVZQi7cCFQf7VJkdd+I2w/V6rNqKsYgWX IcBlYbD0s3MERfMiUuFVEBym9p6f4K80Gd7Olg5Qy+fsrafvBCXnx7WN84R/IN9J HVQcLtc+XqmzN/lZm+ezm9C2Nk9tr7xUL5pnz752VdInozhDF2X6Z9fqmB94b5sV WZuhUc3lTuiqC/wgsHAu4Yu7XW2g56EzMAd73yH1PlS5O/rlVWuoM0HMfkZgkGeo VKip11XnDbUF8orJChxTE8RL2f8VdJXgN6tdgoQNXgg8Uqozm0668+3+JR3KMNA4 ECWaWwF4BM5sY6NSLqUcA5S1R6icPRSumtt9UqGyihmfA2AeiNNkHUuyWtSNo4Nr nHQjfbDqN3B/Ju+rNnOU/1TWhHML72VydPilwKPS/R7rhpuFb81HaWhW/PMPKwpS iY5Enqo8+YPxNxctdFkazf7fRs2c4abs04DDYehU+EceFdwSOZKXDf6+Q/LH32C3 jikXEpFG0wIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTLXlfE tl0gqqreOxh1GgWXymsQXzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5uZG5jby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgorBgEEAdZ5AgQCBIH3BIH0 APIAdwDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW7zLZ6aAAAE AwBIMEYCIQDyM4dGZlQBlkOLiY23HkGmR5f19XS/LXulOw66MnEveAIhAMcBBtTx ju1ux2czdPvLKIsvXKoguJY0Q6VRXe2ZeuXnAHcAB7dcG+V9aP/xsMYdIxXHuuZX fFeUt2ruvGE6GmnTohwAAAFu8y2ewwAABAMASDBGAiEArZRtql8+k0JvWfWrT2hK d0dxoZvTOWwx1iy2fxv8tBUCIQCcy3ptuZddU6K2KkPVwvMuCMPVnqoF3q5WOK3V Vj/CuzANBgkqhkiG9w0BAQsFAAOCAQEAGcCJzJD7qVg7vIn1x1A67nZcRCojTuft jzRQ3o7gni/j7E+TwSpd98I2D33i74ads3Dt5JEvRFtl+NM1nJMxmsmZBtKHrKDb X+np2ovQa9SFJxxEW9TH4bvmqmFlc0IT1yn3Ib8QWw0KBoE3T+fJqhnEPQVfMJk2 wrP3F3VhnTb3o6rd+NLR+x8qHv9W49+hTVtMj4i7uJ6x6ppbgN5bBigdpHM/1Qc5 7mY5tsYYzVeTE7BS4m8z2cABkXUo5QkF0sIjLP5l96h2yp6G5HZE8f4w1bdVLPTM SAfbWI0qxipfYxuYfZwEzoZVONhzpjgQD52M0RmpDW4TXB30R8iVTQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4YIDP2G6rj/BG6WzDjnr yBBcZsfuByObNuMNHM6k0TRRZnGe3/FwBQQhLZ5oA/sRTqwhiarI+IIjkE/a78Df hO9KKdbhq6kUIi84ZQNxjL60+2DYy1ec91Ba4pnS9MsZltao7ReeVIBt8NAUm5m0 6vWUBRwRSf4pYOyk3e7Aqtj1JeptQXBSQhNkwx8g57m5s1WUIu3AhUH+1SZHXfiN sP1eqzairGIFlyHAZWGw9LNzBEXzIlLhVRAcpvaen+CvNBnezpYOUMvn7K2n7wQl 58e1jfOEfyDfSR1UHC7XPl6pszf5WZvns5vQtjZPba+8VC+aZ8++dlXSJ6M4Qxdl +mfX6pgfeG+bFVmboVHN5U7oqgv8ILBwLuGLu11toOehMzAHe98h9T5UuTv65VVr qDNBzH5GYJBnqFSoqddV5w21BfKKyQocUxPES9n/FXSV4DerXYKEDV4IPFKqM5tO uvPt/iUdyjDQOBAlmlsBeATObGOjUi6lHAOUtUeonD0UrprbfVKhsooZnwNgHojT ZB1LslrUjaODa5x0I32w6jdwfybvqzZzlP9U1oRzC+9lcnT4pcCj0v0e64abhW/N R2loVvzzDysKUomORJ6qPPmD8TcXLXRZGs3+30bNnOGm7NOAw2HoVPhHHhXcEjmS lw3+vkPyx99gt44pFxKRRtMCAwEAAQ== -----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 309703374930456851189822410245429636151434 . . . . . . . . [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 03:18:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 03:18:03 +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.ndnco.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 919991811721375908197597132606299677303564984572847150991956345958270578626840183735944959032122260864084738169572213678745909583829759643451363315710557977993361791738946202164175772622991743203959648688014913334000776284084401853894088772539869783344415275752493029721212956441036713712982660478164232115952625856631704776677835236826147360497766104247050468046846079832102297456484183803180899349482374444280709800980144078248785171178599608794257545257102416529900214682333347412860331162581739555813518464623065506604215973976621648429053785779841948914955765174764618969142196427302830370057868367945423087315576372055273272612370244903688904010364534780812107678348022340065837740746772782155174040043334619200879047955788914810234068746992623732062508351359975725869864767988302758852250327793460037817196044192686487366039136522041989893651003148437192037307585053028028033260783787833470821396525315131573697114602981378986744466469619823437468063761525997235012887232214193328398771716178342369955211625661790446088818073116836615971315689473791174412757948356063230410099496456990683015218721613626778855272583963145202463298408323828983717645396130398725791392224269629211384520607404229924574696229069852695301566056147 . . . . . . . . . . . . . . . . . . . . [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) cb5e57c4b65d20aaaade3b18751a0597ca6b105f . . . . . . . . . . . . . . . . [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.ndnco.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef32d9e9a0000040300483046022100f233874666540196438b898db71e41a64797f5f574bf2d7ba53b0eba32712f78022100c70106d4f18eed6ec7673374fbcb288b2f5caa20b8963443a5515ded997ae5e700770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef32d9ec30000040300483046022100ad946daa5f3e93426f59f5ab4f684a774771a19bd3396c31d62cb67f1bfcb4150221009ccb7a6db9975d53a2b62a43d5c2f32e08c3d59eaa05deae5638add5563fc2bb . . . . [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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