Rachael Ludwick on Nostr: npub1aka6w…mzzz2 I guess the many (many!) crawlers must subscribe to some DNS ...

npub1aka6wf78hfaqpz060r246dq80lmtjx6uf7wapct4ljluyfx956hszmzzz2 (npub1aka…zzz2) I guess the many (many!) crawlers must subscribe to some DNS registration feed and have some way of scheduling to see if the host behind the DNS is live?