Looking at the A records tells an even more interesting story: (for i in *.zone; do expand $i | grep " A " | cut -c 50-; done) | sort | uniq -c | sort -n

Looking at the A records tells an even more interesting story: (for i in *.zone; do expand $i | grep " A " | cut -c 50-; done) | sort | uniq -c | sort -n 1 75.45.179.76 16 75.45.176.15 16 75.45.176.16 25 75.45.176.8 25 75.45.176.9 It looks like all those websites are hosted on only 5 IP addresses. They could be load balancers, but still, that is certainly not many hosts!