Hi, @Ethicli. Laura is recommending that, if people are not confident copying their existing DNS configuration, they use the external DNS instructions instead.
Why? Because many people forget to manually copy their DNS records from their existing DNS service to Netlify DNS when they activate it. The issue is so frequent that we created a support guide to explain the issue and how to fix it here:
So, yes, you can manually transfer your existing DNS configuration. Laura’s recommendation is for people that are unsure about manually transferring those DNS records.
If there are other questions, please let us know.