www.concordia.sa.edu.au

Issued by R3

About this certificate

This digital certificate with serial number 03:5f:6b:e4:6e:a1:a0:44:b7:15:ff:25:16:d9:c6:e2:79:e8 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): 03:5f:6b:e4:6e:a1:a0:44:b7:15:ff:25:16:d9:c6:e2:79:e8
Serial Number (int): 293807096135873017147598585631638473046504
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:36:18:67:53:d9:63:ed:4f:90:e8:a4:c2:d1:f2:d3:ff:77:cd:14
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 45:ce:fe:4e:e3:8d:60:c4:0f:d5:65:c6:a6:dd:ae:4d:a1:70:77:52
Fingerprint (sha256): 31:81:fe:0e:81:38:13:b3:ba:5c:68:2f:93:68:b7:38:a1:cf:7f:38:74:92:5b:60:a3:51:0f:d4:57:1d:79:c4

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-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEvLnjrD1e/QNkDEQ5wpnxaHWQU6rD
yQA42UZOpoWIqO7dbgSd1EdXosaouLssyp17lCbx6TcowquBjwB5RoU5XA==
-----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 293807096135873017147598585631638473046504
 . . . . . . . . [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 2023-10-03 02:31:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-01 02:31:24 +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)
				0004bcb9e3ac3d5efd03640c4439c299f168759053aac3c90038d9464ea68588a8eedd6e049dd44757a2c6a8b8bb2cca9d7b9426f1e93728c2ab818f00794685395c
 . . . . . . . . [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)
							2636186753d963ed4f90e8a4c2d1f2d3ff77cd14
 . . . . . . . . . . . . . . . . [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)
							00f1007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018af3972d900000040300473045022021cef8b11f7ef2e4e52303332ab7bd0ac7acd2747e7fc1364897fbc3d6249f12022100bb860d557b8100f539547b29bb103c9c6a2b96be4b439f5e82844471e22a69c50077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018af3972d800000040300483046022100cc8902f5e2c1cf81feb788467af436af5a9acd6b42616426952b37996bf939b202210095e441bfa95d1a89ae215766b46211bab09f16a14f730b24cbf8ff0ed89b4f17
 . . . . [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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