@zellwk @Netlify You might find better help by going directly to the community forums. @Netlify don't monitor Twitter for support requests.
DNS can be so frustrating! Perhaps this thread might be relevant:
https://community.netlify.com/t/successful-dns-verification-but-let-s-encrypt-provision-keeps-failing/8074
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.