Worked for me without problem. You may want to add a notice informing people not familiar with DNS about the usual delay.
Attach custom domains to your nostr-sites!
We're releasing the custom domains feature for public testing. Go to site settings and check the Custom domain section.
Please send your feedback so we could improve the process. Eventually this will be a paid feature, but everyone who uses it now will keep it for free.
And a reminder that you can also self-host: https://blog.npub.pro/post/how-to-self-host-on-github
Discussion
Great, good idea!