nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6 If I want to find someone from Mastodon in Nostr through Mostr, do that Mastodon user have to be with @mostr.pub NIP-05 verified?

As I was searching user from other Mastodon instance and couldn't find them on Nostr.