#### dns_verify-6.sh
#
NETS="2603:3024:3f6:e1: 2603:3024:3f6:e2: 2603:3024:3f6:e5:"
IPS=$(seq 1 254)
#
echo
echo -e "\tip        ->     hostname      -> ip"
echo '--------------------------------------------------------'  
for NET in $NETS; do
  for n in $IPS; do
    A=${NET}:${n}
    echo -e "\t$A"
    HOST=$(dig -6 -x $A +short)
    if test -n "$HOST"; then
      ADDR=$(dig -6 -t "AAAA" $HOST +short)
      if test "$A" = "$ADDR"; then
        echo -e "ok\t$A -> $HOST -> $ADDR"
      elif test -n "$ADDR"; then
        echo -e "fail\t$A -> $HOST -> $ADDR"
      else
        echo -e "fail\t$A -> $HOST -> [unassigned]"
      fi
    fi
  done
done

echo ""
echo "DONE."