Unable to access site

I’m unable to access www.capelgolfclub.org.au or ‘unlimitedtech.com.au’ using 1.1.1.3 or 1.1.1.1 but can access using 8.8.8.8.
Would appreciate any help.

1.1.1.1 can find both capelgolfclub.org.au

$ dig @1.1.1.1 capelgolfclub.org.au
capelgolfclub.org.au.	3600	IN	A	178.128.137.126

and unlimitedtech.com.au

$ dig @1.1.1.1 unlimitedtech.com.au
unlimitedtech.com.au.	14400	IN	A	163.47.74.193

However https://unlimitedtech.com.au has an invalid SSL certificate

Thank you. The issue was with 1.1.1.3 - it worked last week and then yesterday it was prevented from loading our network as we were using 1.1.1.3 for dns

1.1.1.3 resolves both domains.

unlimitedtech.com.au has certificate mismatch issue. Same with the www

$ curl https://unlimitedtech.com.au -svo /dev/null

 Server certificate:
*  subject: CN=unlimitedtec.com.au
*  start date: Mar 22 00:00:00 2023 GMT
*  expire date: Apr 21 23:59:59 2024 GMT
*  subjectAltName does not match unlimitedtech.com.au
* SSL: no alternative certificate subject name matches target host name 'unlimitedtech.com.au'

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