ndufoundation.org

Issued by R3

About this certificate

This digital certificate with serial number 03:a7:7f:a1:4c:a6:f8:7a:26:a5:2f:10:e4:05:6c:cd:9e:c7 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=ndufoundation.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a7:7f:a1:4c:a6:f8:7a:26:a5:2f:10:e4:05:6c:cd:9e:c7
Serial Number (int): 318333662541028276570139784260030294761159
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 62:14:7f:46:ff:01:77:36:b2:48:17:71:c4:e0:0d:a2:c4:c2:83:b9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:70:16:c1:52:4d:0e:a6:a4:1e:05:58:cb:c5:25:6c:db:e2:d1:54
Fingerprint (sha256): 93:79:b9:93:28:17:cf:93:16:b7:ab:a9:ca:ca:75:fe:f2:00:f9:c7:af:2f:70:cb:3c:81:9f:c5:1b:86:c4:ad

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyAXI84jud9tkrMlTVasJ
/fM0ISmP6bLDcvlRFaygTtoDKtJjcut1xCcODjsMwaET/D9bbkhnhLp61T2uC1wu
GhfX7eoZRRtVt5BWmWVBfIdLo7E3IvpFmvSNTljUpS9gQ8eMtI3awMeg2+rFy1PS
sUfn9fra7yeAUBQXznj+UfqZhztDMuJOr8d3k2ah7KlpWaBqM4CxFYymYkIp8DpC
FCh5+AjpuHXrdCG9/Ld530JKz2GoSCHKzMUta5i89oQx3mGKsiGxhVBIshVik222
NS0s03xvupTtt6ENbzRDi6ifpOF1jHd+ysK5VylgfCqIkh3P+GMgw7pFdVmL74or
QwIDAQAB
-----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 318333662541028276570139784260030294761159
 . . . . . . . . [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 2023-06-10 13:58:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-08 13:58:05 +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 25250513666290326672299709211062423830744266035827878567655379032864161200875182872471414431410385136637593153342895333179168296175148395512060466908710916743521308361722651579346306148807668501007449762457286447922695102388361867503936474785460314874591284643353595435963221451758776454691057543937562258858172981234049867832730031262262312478952675785768155443528891774678805068517141312343174085148144620216615126324790451507470755084127651961999193548958764779889700284077213991121599107399731089683225135232921033023293060841596459209635191225031535058509208517910233828900098472020433543673510043198215414229827
 . . . . . . . . . . . . . . . . . . . . [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)
							62147f46ff017736b2481771c4e00da2c4c283b9
 . . . . . . . . . . . . . . . . [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 (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)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188a5d086300000040300483046022100f9e32ae1510c69325243ad4a4a0c5be747be5bd494cd1ced296d1f382427c9b4022100b88874cc723ac3a9f20d22a22f63495c99f940a7d38aa85f3d02ef4bc3372e68007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188a5d08626000004030047304502201ffb6b07614e96d3ddaa9e9b1889e8a548a0593336aee713df73dd38da7439a8022100bb835ee506238343217b29e2134c04b499952584f40a4349ac216a6fc2f0dfa1
 . . . . [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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