You have to be careful with WHOIS privacy for your domain otherwise you doxx your Lightning Wallet and with your idea your Nostr account 

 logical 

 But it's the same with NIP5 or lnurl, right? 

 Yes which is also a problem 

 Ok, but with BIP353, at least you don't need to rent a server, so you decrease your attack vector significantly.  

 Agreed 

 The one good thing GDPR did was make almost all domain whois private by law.