Notice this in your logs?
named[18681]: starting BIND 9.3.0 -c /etc/namedb/named.conf
named[18681]: command channel listening on 127.0.0.1#953
named[18681]: command channel listening on ::1#953
named[18681]: zone 0.0.127.IN-ADDR.ARPA/IN: loading master file master/localhost.rev: file not found
named[18681]: zone 1.0.etc...IP6.ARPA/IN: loading master file master/localhost-v6.rev: file not found
named[18681]: zone 1.0.etc...IP6.INT/IN: loading master file master/localhost-v6.rev: file not found
Did you RTFM? Not to worry, this is easy to fix:
hostname# cd /etc/namedb
hostname# sh make-localhost
