dufnartacademy.com.au

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:de:a4:15:fe:d8:98:b8:22:34:3d:96:7a:e2:fb:94:b3:ab 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:de:a4:15:fe:d8:98:b8:22:34:3d:96:7a:e2:fb:94:b3:ab
Serial Number (int): 337097650850164421019250451979780008227755
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bf:57:bb:15:fc:9b:24:4e:ff:0e:21:4f:5f:22:14:a5:8a:dc:00:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e0:7b:22:9f:37:17:23:1e:a5:cd:93:b4:a0:93:85:f1:e1:ec:cf:d4
Fingerprint (sha256): 11:32:e8:2c:15:4d:66:68:0f:9c:57:48:76:9d:d2:70:b7:f1:20:f9:23:7b:89:38:9f:44:37:6f:51:e7:cd:34

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAondYGBEbfmUeYSj77eNO
YVNb2I03JsUUXOoHDNDH6YaLcwo9xzO/cB19Jh87AUUIYl4Sf86E3iucfN5aGhkf
zMbp4/27CUD34GZj+eaM0atWnx8Fs3s2x/0FAZenN4X91N6MSzJN3fLOxASp9v+J
jVFq5tyXmLZJAsO9sksoOC5Zx8fxwp3/G10ShKNC3pGSFlDFMP6bIIfy33db4ZYJ
vPaToVAT3XMthjYWlE9BvVSRcunrzmblL8MVj8MEXKd9mcd4/+3mjuKqzKUFdZpL
N70+GwVV1wvG5tJT8AQFgh6WGMgq3B6eY715rp6f0XdW6+cuge/x+X0nuLxSdWSP
MQIDAQAB
-----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 337097650850164421019250451979780008227755
 . . . . . . . . [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 2019-01-21 09:35:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-21 09:35:33 +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 20509456182106433475389176772684832808863535160407058904445221519033460020371492324429957504276081900876946493543172166355753566824610615631865181631808147999988454276270229581779223902986508040643667960965693466239415144209413009368219924656049436835668541062035302601339946625532863349300494185775769051304440739901525959209260290525613956458579571944020820178794261840894108684797267169000111597700437841782266995057177690969167319642407300607689242892185809205148081027070288472022998068145970800845787617858589535703391230265361168301326315317550816934621212192419266508169679912642680839523973918286453491928881
 . . . . . . . . . . . . . . . . . . . . [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)
							bf57bb15fc9b244eff0e214f5f2214a58adc008a
 . . . . . . . . . . . . . . . . [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)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001686ffaca19000004030046304402200ff3c9f012b9f1087cb45b57bab41aa52a1c890ee6581ec71fadf46ff95f757202204a4a69377331a3d3d88d23009aa72a993c3d2b20c97a5abd7449c508360845a0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001686ffacc5f000004030047304502210096dda2bb1370bc42c749c2c65198e260dbd83090828cf0140c47205acc2a1e2e022023dcc17c7a3c9458bb22c3324542b818619d9b37d36e38ac9d0aeba3f14f801f
 . . . . [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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