nksd.net

Issued by R3

About this certificate

This digital certificate with serial number 04:86:b8:fa:24:e7:90:dd:36:6e:79:ad:33:cf:6a:e4:18:5d 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:
  • 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=nksd.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:86:b8:fa:24:e7:90:dd:36:6e:79:ad:33:cf:6a:e4:18:5d
Serial Number (int): 394292857668399083461430533942399551674461
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 67:a0:48:84:a2:15:bf:c2:23:6a:ff:17:f6:fe:8d:cb:5c:47:c6:2e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d6:5f:e6:b5:2f:9f:1c:3b:1b:46:23:8b:c7:17:e9:cf:96:ae:8b:80
Fingerprint (sha256): d0:a0:47:5f:28:3a:25:6a:eb:05:f3:29:21:dd:ff:ff:e3:13:30:ca:c9:60:a2:0f:f1:cc:1b:05:75:24:d1:70

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

Revocation information

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

Check the revocation status for certificate nksd.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nksd.net

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

nksd.net

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admin.ahs.ardmoreschools.org

Certificate

The complete raw certificate details for nksd.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAucoUekEsGMv7CF8rh3iT
CDcnc/wX0EbthvWoNKXyQFjKHqui4H4gvMnmB3egSD+HiAgOGqaVflV09sag64V2
2Lf8hV99qhk8aYHWCxVQfiVX5I9c0TIdYkHwpEc2Q25iLhkr8s7V/DINmZqIjb5b
qjm1zJIVo1jpWW55GYYGT/wIgiw72KWLzWPDUuSq3DgpsUQi9MtB1ef2N74dEcVr
vrt0vUxxe4iNtDfLId/GMCYFXp0aglrrBBHoFsmnEOerC04TPSDV/tf+/Wb2D4De
8UFKo7o0qjhrjW6akxzgTrmfrhXw0sJ3WyWyoXVK/g8coN79026jTO1Ib1pP8vTX
EQIDAQAB
-----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 394292857668399083461430533942399551674461
 . . . . . . . . [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 2024-02-23 23:17:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-23 23:17:47 +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 'nksd.net'
 . . . . . . . . [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 23453735775997517412083092067546076272441732066542941399650768007901793293640530281706206792528455406488103340458082644869993048697689525616551541824142941767475636726042487073785296980619330862220732897467330342321147477027350065124648345546451010157252056388540731958254339196708565686414981965423862894002658572722986449719430757476868134022130340965390866544567242137028276237405121497935779552885098750028506841710299961751829100880834149421570146620197163309423639684713960389786335279971026454995391941638131469811686544348862961281001785245564029819517154373915675790643504562387513577129898174973746657679121
 . . . . . . . . . . . . . . . . . . . . [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)
							67a04884a215bfc2236aff17f6fe8dcb5c47c62e
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nksd.net'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dd879ace6000004030047304502202dea2e1fe05dfa33232fe509e4cd62a9512d221b0f365f1f9f6c0c8f08645d5a022100f357f5035af2d7a739cdcc706d0e26014ac695e933fb5fc801fc1dfc522aad4e007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dd879ac900000040300463044022041337ae52845dcff2dff316f82ff6f649386a2f45f5a5a1e9950c997f70bb6e20220446f6d03d308db70c0945b4ccb3b49fd7a6d26b2bb97a65ef9c591007c2bc8b8
 . . . . [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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