There are also options for libc that affect this behavior that can be set in /etc/resolv.conf like: options timeout:2 retries:2 max-inflight:768 max-timeou

There are also options for libc that affect this behavior that can be set in /etc/resolv.conf like: options timeout:2 retries:2 max-inflight:768 max-timeouts:100 single-request-reopen rotate There are man pages that describe these options.