courses.queensford.edu.au

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:00:b8:28:10:05:af:6d:99:11:ca:49:56:f4:af:dc:c0:98 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=courses.queensford.edu.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:00:b8:28:10:05:af:6d:99:11:ca:49:56:f4:af:dc:c0:98
Serial Number (int): 348693929695108739343696404387392684605592
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:cc:33:cb:b7:1f:09:9c:e6:af:87:30:85:f0:ac:96:61:ef:a3:f6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ff:2f:f3:cf:b4:48:ec:8d:79:25:66:2e:9f:14:75:c4:23:a7:be:69
Fingerprint (sha256): 9b:ec:40:da:67:a7:4b:ac:53:14:d7:5f:38:f6:2a:de:bb:b9:d9:06:52:16:32:9b:99:b2:8b:36:95:b8:14:dd

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate courses.queensford.edu.au

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for courses.queensford.edu.au

Public Key Algorithm

RSA

Key Size

4096

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

courses.queensford.edu.au

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Certificate

The complete raw certificate details for courses.queensford.edu.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 348693929695108739343696404387392684605592
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-25 18:05:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-25 18:05:16 +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 'courses.queensford.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 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 834308720773097098414637697038695552406597793020331792210888926206222269877537146746655581031101120186654433148324833556104082487522613370888045222457646652010731693144544373291481880085255633993590398242885370321408647538545498521892422453158866169450350393487567309136482896796271253656305417138158188326502905435929884023373213795727542266511155975687611049400915806948041261692584415979982885429602274397428930303333887870951933855260277466651478150939160960111815251287611368648746350152803983595074003615877700930115886437701984558284125480143479375324546042721806216057718691248019262707544995028445212785959607704326581886014704925279702272722387297354440983439206342117065062071827930354653740739763014474039271073127422430056564698821881026197346149137925700614372202362919958714731667586389079872250415868081275206257647488708803259003181610516095836137483534244914761089295687097777441932736045327576541481382703115516249727511581889513806508453785005128356264205752804438141049684580905228571254832025337660869898554701452590337855952116438192767277601749763743510147150609817100650262630918745092637329784944828255761851298131686950374921073651813718455920180686465084222044449970009058181787947080613906860979826056329
 . . . . . . . . . . . . . . . . . . . . [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)
							6dcc33cbb71f099ce6af873085f0ac9661efa3f6
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'courses.queensford.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001688666e5e60000040300463044022039100b880e769a37f72d3d7d07d9293af17d270cf3d46bfebd77cff958d12b0202205719583593cc955a1ef7dbc879956cc8ae3a1881500f96b90fb17a5cba6169fb00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001688666e7cd0000040300473045022100eff11a9ef8b954b1af267e5e31b03118e96cba08ee6371ee4f1015a6997bc65d02203008ef137f7d39ba669c22a2ed19cf59a0fe1a962be61fc473aad72090bcce47
 . . . . [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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