it still works. i checked nostr:npub185h9z5yxn8uc7retm0n6gkm88358lejzparxms5kmy9epr236k2qcswrdp's address and his does that too.

https://www.whatsmydns.net/#TXT/matt.user._bitcoin-payment.mattcorallo.com

make sure you enable DNSSEC. there's a toggle to turn it on..