you could run it through your own sanitizer before deploying even something as simple as egrep -v "^127.0.0.1|^#|^$" hosts.zero should help ease your mind th

you could run it through your own sanitizer before deploying even something as simple as egrep -v "^127.0.0.1|^#|^$" hosts.zero should help ease your mind that the worst an attacker could do is make some site you want to go to apparently unavailable, but that would be under your control to fix too.