wttech.com.au

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d8:1d:8d:21:fd:1f:4c:5e:c5:83:b4:60:7e:f5:8a:47:ae 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=wttech.com.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d8:1d:8d:21:fd:1f:4c:5e:c5:83:b4:60:7e:f5:8a:47:ae
Serial Number (int): 421989415397072439063421048519177399846830
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c5:df:6b:d2:23:02:80:96:54:0d:e0:fa:31:77:28:8e:ba:1c:eb:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d5:f0:9f:82:f5:8d:40:58:0c:d5:5a:d9:2b:03:c2:af:a7:d8:61:4d
Fingerprint (sha256): 32:4c:1c:5f:41:ae:43:7e:79:c8:69:2e:17:a2:2c:23:b1:35:08:bc:df:f0:74:ce:67:f4:d3:77:6c:34:c1:40

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 wttech.com.au

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wttech.com.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

wttech.com.au
www.wttech.com.au

Other certificates including the domain name wttech.com.au

(limited to 100 certificates)

Certificate

The complete raw certificate details for wttech.com.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 421989415397072439063421048519177399846830
 . . . . . . . . [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 2018-03-05 04:31:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-03 04:31:03 +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 'wttech.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 852383400901148405767429446884521720187086515653174807226897756066883275796542948461799698482852573107116837299785658732140566947218076513040902455545189086852247507184054917033095810023617850527978221762854808477011454599060294280149906132516938360252944083398991246219978036422712173665422885412295960581287319909478280735246666555375643806130469359316227656403998810965944976511986209961030216408789597952419170054033678533610766077177359827936250180674891776378550138746366579020239017969419536748525610601845597560646318282973495110529922508595338653369605339385133525795165019983738318484860205466947827993675503578173539320990469725234557657860825850633423732352016682735165115197187918357123075431172355090980074990735766742638146383719983771537277155329329055138205748435946971808584585985689435128451327337079476094859782059805116087113701778408106517706278524605818405253014768630271038167502437085023646371210536549201702553408602687448840922150650770936433263853969363023288942576840234416342923366717615384435266620630866374782203797796875486433160748107789665621023721830458097680866526431812549231446494942569244919779423205126742037860562559747135161710672924339837742979054496989181425679327215589479513047189713087
 . . . . . . . . . . . . . . . . . . . . [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)
							c5df6bd223028096540de0fa3177288eba1ceb01
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wttech.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.wttech.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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