dufnartacademy.com.au

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d7:ee:fe:db:b7:fb:70:b4:9b:37:3b:ab:0d:10:cc:f1:c9 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=dufnartacademy.com.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d7:ee:fe:db:b7:fb:70:b4:9b:37:3b:ab:0d:10:cc:f1:c9
Serial Number (int): 334815246246105661338338335217355993182665
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:e8:e3:78:b4:db:a0:d0:1d:ce:35:8e:1a:a7:2c:e3:01:b2:58:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6d:00:af:1f:91:90:73:10:e7:3c:d5:bc:1f:9e:ba:8c:50:50:67:1a
Fingerprint (sha256): ac:ac:82:48:66:69:1b:b4:4d:57:ad:94:0f:d4:66:42:cf:a0:1c:82:94:b2:7d:6d:85:00:d3:06:72:19:7f:36

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 dufnartacademy.com.au

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dufnartacademy.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

dufnartacademy.com.au
www.dufnartacademy.com.au

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAli07hMXWrUufDVUUk/L3
qXvGThLRvy3XZV75iusmXc0BjCuh3Wasv7Ta9rUtTsONv9fFRxTGrVW3IpYTBX+E
qpK76Y8BmwWRiAZ3WaxPbVWwkU2ilEHdkC1LRZ40BEDgfaeGWEb9wKYTvAEV2gzT
hGwhu256/ygmJQgjMhIK1IfFhnuornr2gecXZA872SEczRogg0ZGaf+YhNHY1voF
p6yOia7aVYsVOVXWKgi46hTTHlTtpSUSgPq1mObS18AsIJF2usUs9Wd3Ma67yU0/
vvtyzBNEgPu5KHe4c1pjklDz2SPbqIqCw0YNcOxnsDipv0C5xsxH1B3LGOTRiRu3
GQIDAQAB
-----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 334815246246105661338338335217355993182665
 . . . . . . . . [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 2020-03-16 04:48:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-14 04:48:31 +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 'dufnartacademy.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 18958050719364257606709861231699220611396717107530445185681780577015762006416320602592087407960071040964162585274882319433798906592077155871042738806573757174637216806555789577469235886644467873027756909460411639883307445903689154305725255017334725578071775897374924668809395354414859144696337507628607302062284744326525119250085675032451874285670190417844595355835568374466754638031946046977226048107880259774567071790846381865257366542402772358427177349733665767120812277206541862200318859713156081122343376778363520485982448332937069137032129510538431610499109688256480540252003821434786890988158913680712956360473
 . . . . . . . . . . . . . . . . . . . . [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)
							61e8e378b4dba0d01dce358e1aa72ce301b25858
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dufnartacademy.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dufnartacademy.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 (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)
							00ef007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170e1e2f19e00000403004730450220148a0e7194d2ed958bb4755d95cc8b077795c9643e46ffc0174f4c39a974eed4022100c9ee59a5e842d63ea5c177bffc4b8567cd809781750018d86311d064f785945f007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170e1e2f1ac000004030046304402205766eeda6414543d2bc4a90f131032429c3c44040236f6b5a34af057c2aeaa74022065d1a61c2c2f4592969d8da4650b7a969e8bfe310f4691087cb7f87f6156090f
 . . . . [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)
		002f5319914fa26974647aebbfef4c68f8cc2cf870ae5ed199eb9d7f821c046c08f693bb8ecfca8f2ca94fa0be2ef4d6b801f9a529a90c51be8269031a4a7e172881d724efea815b2fa87973fa080646577d32799c6c238f4c863d0b355772613bafbb393112fca396be86750e15e06f504bf261901768d07e042a65d6a83aab31511375fd01c2121f0eaaebbd309db36d0cc1282177e861e0fcde9e30fb4994b1e677746ebca0719852a5c99f432e2220b0570f5c884a086e3812a97db0a5d5ca11c367184120e5fbd616e09ac1f52bbaf5dcdd90b42bfcc199c4cc8d1bda89aefbf0b4482f1cf6812431002a0a7759168d57b5d736918164a2ec0afa6fe9f825