ndufoundation.org

Issued by R3

About this certificate

This digital certificate with serial number 04:fc:25:30:bf:7b:85:65:18:1b:d3:6a:9e:bf:b0:78:94:c2 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=ndufoundation.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fc:25:30:bf:7b:85:65:18:1b:d3:6a:9e:bf:b0:78:94:c2
Serial Number (int): 434249734740937312946677285719705669637314
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a1:9f:0e:b0:bb:21:07:e5:c1:ec:ea:33:ee:cc:5c:08:22:11:3a:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d1:6f:ac:ae:56:55:67:44:40:3d:5c:7a:25:d2:f8:02:85:de:96:0f
Fingerprint (sha256): 1b:07:0f:4f:37:40:b4:a4:6d:1b:db:29:6b:2e:7d:da:35:18:23:11:cd:33:23:e0:7b:4f:f9:5c:7d:16:3c:35

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate ndufoundation.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ndufoundation.org

Public Key Algorithm

RSA

Key Size

2048

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

ndufoundation.org
www.ndufoundation.org

Other certificates including the domain name ndufoundation.org

(limited to 100 certificates)
ndufoundation.org
www.ndufoundation.org
ndufoundation.org
ndufoundation.org
ndufoundation.org
www.ndufoundation.org
ndufoundation.org
www.ndufoundation.org
ndufoundation.org
ndufoundation.org
ndufoundation.org
www.ndufoundation.org
ndufoundation.org
ndufoundation.org
ndufoundation.org
ndufoundation.org

Certificate

The complete raw certificate details for ndufoundation.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsP0W0buv62yXhkeMcsh5
aOCrpeqhLZ/w7IDVirU219aE558RwT2fVS0tRYZmU6PDE4fqiOuewizKtOBIbUoi
Os9K+RHlPfB7ed8umvoMSzofYCVBAho0tTR8hxSkVgkM+jANgGzI7w4E0brfSUaB
vdOhlQHYMWFPAoMbNVaLOqnAR1UYPFJZPcZ2RUIbi8PzMGwWcQW+umV96S9rk234
DtuAoNf6V9uOVH4wz6IkBBOHIi9/yZ1ENPNdaqmQuUp7Zi8S7xYowwZISpexYL/D
ebFMDxj2nZqQ0d3++Qyw3PDPc/fxJdWcJaqKxvNtRu3+ZKr0Z6X3ds4qWaNTLEtG
KwIDAQAB
-----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 434249734740937312946677285719705669637314
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-07 11:46:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-06 11:46:08 +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 'ndufoundation.org'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22342744579330628971446708196640671257862948684413048286099738848731090274716047381164441140785094695042058980745748474558844611872797429088477230165200433798492451571745511433077076481174425388590697481026993647614581489606686923482292839509254095601635913390891460519686730088440913782124222103690663632830883700466701485343615963502241558942179202306826712291401150739018283977880457142718310014273228779270786954652023680210556742847954194573331999961435363758655116674425515094567088121112780849355157863707401518735167082869570997829170920359874607462732365891453457289785330552366554014169715160488609812530731
 . . . . . . . . . . . . . . . . . . . . [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)
							a19f0eb0bb2107e5c1ecea33eecc5c0822113a79
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ndufoundation.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ndufoundation.org'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c44506a0e0000040300483046022100e03567436bc86f9a8420e0264b8353bebcf88c1243c11979c50a9fff9cb4a81d022100aadb9992a7a32d5134380faaaab94335b2b7a3301243330d3642c7a4f62789aa00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c44506a5b0000040300473045022100c4137c710a54105b87a633c9a2a585faf3125b0fa86485a18e18477a09774d8b02207a1158f7abd7f2f4a873ad58a89ec5cab05acb803e11198565541c18d2ff9754
 . . . . [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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