Configure external DNS for a custom domain

[perry]

here are some additional links / resources:

Any gotchas for converting a WP site hosted on ionos to a gatsby site hosted on netlify

I have a customer site that was using wordpress and hosted on ionos (used to be 1and1) - their updated site will be gatsby and hosted on netlify. Are there any pitfalls or gotchas to prepare/watch for when making this move?