nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqlwsmhk9t2le9see32l006khunnk6qpxxs30enke3d8lykcd6wstq9f4y79 nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqyzvxlwp7wawed5vgefwfmugvumtp8c8t0etk3g8sky4n0ndvyxes08j2rh nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqx0r5gflnk2mn6h3c70nvnywpy2j46gzqwg6k7uw6fxswyz0md9qq0kp50y nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq8ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqy2skwz

Apps don't have to look up domains with DNS resolution through the OS in the first place. They can resolve it themselves via DoT/DoH. They can also communicate via DNS itself. They can communicate server-side to other parties too.