ndnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1e:69:98:07:b6:00:d8:e9:66:30:36:06:2f:f7:2b:34:43 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=ndnco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1e:69:98:07:b6:00:d8:e9:66:30:36:06:2f:f7:2b:34:43
Serial Number (int): 271685687127985462337558644651991356879939
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:b5:9a:d8:23:d9:e4:57:93:8f:91:92:f2:c9:71:a0:7f:e6:f9:47
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c5:7e:66:fc:39:ac:d5:33:e7:6d:8d:01:03:60:dc:b9:e6:eb:85:81
Fingerprint (sha256): 36:7a:43:40:9f:8e:6a:3f:9b:df:12:4c:06:c9:e5:10:ba:12:aa:ce:7e:6b:41:03:05:54:ad:28:fa:02:c3:be

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate ndnco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

ndnco.com

Other certificates including the domain name ndnco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for ndnco.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsCVWZH2v5yqbMI0+Ihpr
JR8tGwFTAmfBfI7zFHF/Zasn1wJW7RvZQPYAsLLg+aONeGslRHFESoety4DJKKp9
jDYpeVnGE6gNP5c2186Bi04Og0FGNlzYBaf0r1NQbBvxIDVrfuoVsjWOA0GIqSbE
cVyfspeKMsu9gm5CW7EcG0pJEC2Ok6tYdkVY4pfUVlrxwEqgJ6irvkvWoeI6Hlom
9Q05Y1CXuTfM22CTMa77fHsrXWhpRmZ5E0ML9C7uywXuJ+feYjwkeewWo7udBBJQ
RV2kgcexo96tkXtI4NULL680JYXy6yQ3rkxyEL2dIJXu6MvTwFhiHPiwuzLChSFS
hoD5+AkLXIZ/9yqZzVGmJCNsVDu3QQJq/vEv55U0Zi37bpAltzaYAMV1q7iRis0r
47UX3Ir9qidMbsYl8Rp0WmpGd8gs6wP2t+pJ3yFcBA5P1ExIwtzqzSy+apOyBgl1
nxvmBjGIlGaLBx8+z/iU9G4M8EH43zcvgYblVvms42fHdjDayFzJCN5go9QTpLOT
STK8J8e4PyAEg/BgAnZn8rhA5cj0AowK4swVVnQZpE1u17+spcBmBaROhXM2xWRj
gcSe7koTDY+ROnmyLY7by5ujG9IArHWQpFtwq9GAOyyq1jtN8fLnHSek9E/xt1nj
l5cALtHw3LE/Oh87hKVKvEkCAwEAAQ==
-----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 271685687127985462337558644651991356879939
 . . . . . . . . [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 03:00:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 03:00:44 +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 '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 718612370001040296965201354049814623180846566292085242500172677951551617250905554779471422577812211182452515596244308937115047231361263010928965002215913912686030841615088615639320794385066081600525590013144151496158946890795650570447197050247169044459929924778427359449888044960011569844350225326055446456542567710759814237546811426944594243858946999315466184264316911296851333351340549780208468298246706732180642410221639085655791170937848020605633835291788691586843140944817894902785452258551292306533128105330301452101727326785307472643658125044041004824462917825736278492580850525601046457509189849659556742958743527675963599921400201012867780571159227136644447632547953810109086147976798491551107555322048110692340382598573096409313487226938537326097437181148803622556189528359946036623685472351262834246104327844735638645057515498402632854186507677301219508963953562662430229765602330602542320263611257731530591372327857285494493781200989982207088178792004246919617549166398883548429748079580616763531221571862110516949480951286244816828886819203679194853425435144439138841593671232784125736990114195548488772434355215795455509509550665823772033419276971827632927494090807967828105942696144129534451013344073182089422169619529
 . . . . . . . . . . . . . . . . . . . . [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)
							d2b59ad823d9e457938f9192f2c971a07fe6f947
 . . . . . . . . . . . . . . . . [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 '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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ef31dc51d0000040300473045022100b7c931a1c760887bde3487dad28eeeb93dd0d8be0ed3cc1926eec45ee3734abc022018a8b5cffa6a45a0f9a6c24491cec4def115100cc3ac934a3b8dd8a1076c6923007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef31dc50800000403004730450220289ddce58b4e7751db56a7c417bb64ce84621f8569253448553a3f620430cf6502210099aa61f7a284842036f322cef2bad250cc127d074c98f0bd8e1f8d93ab196942
 . . . . [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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