mattersmagazine.com.au

Issued by R3

About this certificate

This digital certificate with serial number 03:40:cc:3a:8e:2e:8b:24:3a:f3:31:26:22:be:00:c0:b2:04 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=mattersmagazine.com.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:40:cc:3a:8e:2e:8b:24:3a:f3:31:26:22:be:00:c0:b2:04
Serial Number (int): 283386395826368440869873893986038443979268
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:4f:a5:4c:d0:d6:71:1f:08:ff:59:31:d5:17:f7:6d:48:30:c2:de
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3c:a2:c5:ff:6c:08:05:8d:b1:70:dd:ca:fc:f4:da:66:4b:65:e8:4b
Fingerprint (sha256): 27:7e:e0:76:08:19:9e:0f:47:17:f7:95:0b:58:06:b4:02:f6:ff:62:b1:69:c8:a7:bd:3f:9f:e3:30:26:57:01

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

Revocation information

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

Check the revocation status for certificate mattersmagazine.com.au

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mattersmagazine.com.au

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

*.mattersmagazine.com.au
mattersmagazine.com.au

Other certificates including the domain name mattersmagazine.com.au

(limited to 100 certificates)
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
events.mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
books.tincan.solutions
mattersmagazine.com.au
mattersmagazine.com.au
mattersmagazine.com.au
survey.pssgroup.com.au
mattersmagazine.com.au

Certificate

The complete raw certificate details for mattersmagazine.com.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwqI7oyCpltgRVV9Tdvap
D1TbwQIKq200cSz+j1mVxeaCeyi4OPbOiInC2fsAPnN9kNOattR9hR5CHO/PJYLN
NbSy6hQQKeaQNYXDDMOKgzgc5Wq8MgUgH0rfczDiJ0F/pxoun59YIfWea7pfT9BM
9oKZ2Kzc36jgapB08I9Jx4IbFz1FV9vK7XdGjFjCzEjVTMQvzz94wbVSw0CojSba
mIbnx9DQnMYpBeYDjFFO2HHMtqc/j426ZZ9ztYDvk7fniNLGq1eSpIsrp44WjlLM
dsCg8c9D2KeHIGGCTsWmwVER2qfdSXNhLkRfvbatny/A9yZbXsnDxU1Qd2jTXIU9
RwIDAQAB
-----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 283386395826368440869873893986038443979268
 . . . . . . . . [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 2023-10-14 02:03:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-12 02:03:52 +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 'mattersmagazine.com.au'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 24570231216588544313104180504985540210028937079411871782453601218173903889565337821097952678632665361293752849193715487713420503471266744182770935130565488196897342793551222382884649906909506042960838383002194423822534039019683731698327665275437282602414268412777097244558674181842885475901520642442907317475845757346354343655658611824012493215212598702403252237192781878353457116909049560505868478055590261573381891221591644730402567947614402536804837800863340522342188740588085143615414252224568780184777680482173308524182858422122168709628737439272193627423178102055416136648089847666805977740413679613142119038279
 . . . . . . . . . . . . . . . . . . . . [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)
							1b4fa54cd0d6711f08ff5931d517f76d4830c2de
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.mattersmagazine.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mattersmagazine.com.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b2c23ebe60000040300473045022100f99e290fa2933d0a77b99a39a14af2f6cda09b7c244912779c9e85421e35ea7102206999879489f2503658d7d617c7154e9f6240bb0c50e96294332197428866a4aa00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b2c23ecad0000040300473045022100d0110b02a99d8e315afc4d54ead4bcb153fb83f9080223757bea5f84b2de758e022050de7ad5963aae650feef55e34043d87ea5ae78ff7c582bdce9f595142fc1c3c
 . . . . [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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