Pretend for the moment that you know only the basic function of DNS
— that it translates WWW.VICTIM.COM into 1.2.3.4. The code that
does this is called a resolver. Each time the resolver contacts the
DNS to translate names to addresses, it creates a packet called a
query. The exchange of packets is called a transaction. Since the
number of packets flying about on the internet requires scientific
notation to express, you can imagine there...
