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.

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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: