ndufoundation.org

Issued by R3

About this certificate

This digital certificate with serial number 04:57:e3:89:58:be:4b:8f:76:ea:9d:19:43:34:8d:c1:d2:7c 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): 04:57:e3:89:58:be:4b:8f:76:ea:9d:19:43:34:8d:c1:d2:7c
Serial Number (int): 378356157548804208895096592204530567991932
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 30:0a:b0:f7:86:6b:82:77:d2:8a:ba:d8:19:fb:ed:8b:1e:df:3f:aa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 41:bc:69:8c:04:35:9b:f1:4f:0a:60:22:7e:e0:f9:33:66:08:22:f7
Fingerprint (sha256): b7:39:6a:42:49:64:00:c4:5b:18:d8:dd:7a:92:eb:d7:59:c5:52:9b:8a:9f:d9:0a:57:c4:ae:3f:34:5b:ec:21

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxH8yimIGglvboNgftEIK
nBwdh/dgWqU9c8Wy8cblPct83W3GnC7IgkDgHaHgoXvpQahuRdPf1S3Ao4M4uCPN
rrq047PWZt+66yc0G4U4JEk+3GOk3uoRwhFxqlSZuRHNBGR6rfSf/FC76neTPGUv
d4cZz0ZPNZ2iw95WQpPHgyny001MK8eZStgncMb7OVYdrX9MhTJCro42Kjbp8gUd
Q4SgrKCnd5BoaOIAMErpP8EnQZTJugI/9KF37gkpGP1IhDYMwOlwkGBrWoCxvtcy
RFzGQgTQwCOxMziSxDrKJz4+8GkWj2P5xlhQcrJLNe7W2y1xUpOCHLivE9y/Axbd
IwIDAQAB
-----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 378356157548804208895096592204530567991932
 . . . . . . . . [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 2023-10-08 12:41:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-06 12:41:20 +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 24805431160882004259958426013713866717910056405932558915158144181138313095866131547344650244243120798856049937552882326033900096404487860834398793469172490983052251435675547063352655136487451245493829302657263734076019076690672962478359358795229829553093805278167901620823784850019913626702557554759079208603259853562293290784567762101686013484249111299587510619646940997932879674208833159983503292751595577822486900633203024624672163465640111171301946401203901050486927509617717955467925952649786572864615359930665495612356605831844367154316853500402395151038011396971508797531632377613574340822091043921892105182499
 . . . . . . . . . . . . . . . . . . . . [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)
							300ab0f7866b8277d28abad819fbed8b1edf3faa
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b0f85635a000004030046304402205e26796efa2a1288bd6f79f1fa411e1d23696e8ee236814fa8bae87fff02ac6302203ec976695f544af1dfa143d743af6cdcb52a18592475ad37ed068a4ee338b596007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b0f8563ec0000040300463044022066df1704b48ed0aa4811ce3db1756b3889110862cf72ab7d63095cf4f20d06f002201f4aa0a696d4676c48355431ba17380a31f755942fe77773c7b00bb01bc8de45
 . . . . [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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