How can I manage DNS for custom domain on Domain Name Registrar (Australia)

My client purchased new domain on Domain Name Registrar (Australia).
So I would like to manage DNS.


But it is quite differ from the guide of Webflow.
(Although I am so new of connecting domain.)

Do you guys have experience about ‘Domain Name Registrar (Australia)’?
What should I do?
Please somebody tell me about this problem. :frowning: