www.concordia.sa.edu.au

Issued by R3

About this certificate

This digital certificate with serial number 04:7c:ff:7e:4d:ea:5a:16:74:79:7e:e1:fb:94:4c:56:6a:2e was issued on by Let's Encrypt.

With 4 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=www.concordia.sa.edu.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7c:ff:7e:4d:ea:5a:16:74:79:7e:e1:fb:94:4c:56:6a:2e
Serial Number (int): 390983766173879495298629856104564177398318
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 85:44:20:e5:41:7e:bb:79:aa:a1:86:7d:be:1b:4e:62:91:ae:00:6a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): df:f3:32:17:b9:92:04:e6:47:2a:1c:6a:98:03:c5:e6:a5:e9:fc:a6
Fingerprint (sha256): 14:c0:07:47:60:06:6b:61:cd:8f:b5:fa:62:99:6e:fc:b7:cc:46:5f:7a:a2:84:cd:65:6b:64:88:99:46:ae:a5

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

Revocation information

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

Check the revocation status for certificate www.concordia.sa.edu.au

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.concordia.sa.edu.au

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

concordia.sa.edu.au
dev.concordia.brighterserver.com.au
website-2021.concordia.sa.edu.au
www.concordia.sa.edu.au

Other certificates including the domain name concordia.sa.edu.au

(limited to 100 certificates)
www.concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au
*.concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
*.concordia.sa.edu.au
www.concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
*.concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
*.concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
concordia.sa.edu.au
www.concordia.sa.edu.au
concordia.sa.edu.au

Certificate

The complete raw certificate details for www.concordia.sa.edu.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAETs3wQlFx0pmXUOIKlavAGGFuIZsl
Wg2/n5XWySHHV5drAjbcu8l3JT/jPWY5nqixCKYgEodw4s3Czj+yIPQlvg==
-----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 390983766173879495298629856104564177398318
 . . . . . . . . [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 2023-12-02 15:26:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 15:26:12 +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 'www.concordia.sa.edu.au'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00044ecdf0425171d2999750e20a95abc018616e219b255a0dbf9f95d6c921c757976b0236dcbbc977253fe33d66399ea8b108a620128770e2cdc2ce3fb220f425be
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							854420e5417ebb79aaa1867dbe1b4e6291ae006a
 . . . . . . . . . . . . . . . . [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 (119 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'concordia.sa.edu.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.concordia.brighterserver.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'website-2021.concordia.sa.edu.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.concordia.sa.edu.au'
 . . . . . . . . . . . . . . . . [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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c2b5a17b70000040300473045022100955d951800eb7eae1bd730265df2924cf4a2c65414706968416daf1665cea7e8022050325683614a9463e49a6251907060f74e79c40413e98b07841fdf577df787280077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c2b5a19a80000040300483046022100916031823c988018810f40f1354b9615ae16216558463d927afc88ad1f5f5eaf022100953e15e23ef607d0ad30d138afe0f9625630801a31e229b2847a0dc3869483e0
 . . . . [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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