forward first; forwarders { 1.2.3.4; 5.6.7.8; }; 1. Are DNS lookups performed linearly? 1.2.3.4, then 5.6.7.8 if 1.2.3.4 does not find it? 2. Is there an option in BIND to perform a round-robin lookup such that 1.2.3.4 does not get all of the traffic, or is this done by default?