exactly. it's as if your phone company were to reroute calls to non-existent numbers to toll number instead of the usual intercept message "the number you diale

exactly. it's as if your phone company were to reroute calls to non-existent numbers to toll number instead of the usual intercept message "the number you dialed is not in service." the catchall search/ads page wastes way more bandwidth and DNS lookups than NXDOMAIN.