user 443473e4db fix: set 1s query timeout, use public resolvers instead of root servers for recursive queries ...

- Change queryTimeoutDuration from 5s to 1s per requirement that DNS
  queries complete in <10s total given <800ms RTT
- Fix resolveARecord and resolveNSRecursive to use public recursive
  resolvers (1.1.1.1, 8.8.8.8, 9.9.9.9) instead of root servers,
  which don't answer recursive queries (RD=1)

2026-02-21 02:54:56 -08:00

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