#!/bin/sh

check_gtld_servers () {
    zone=$1
    tld=`echo $zone | sed 's/^.*\.//'`
    total=0
    working=0


    for s in `dig +short ns $tld`; do
	if dig +short ns @${s} $zone | match_results; then
	    working=$[ $working + 1 ]
	fi
	total=$[ $total + 1 ]
    done
    printf "(%2d/%2d)\n" $working $total
}

match_results () {
    awk '$0 ~ /cromulent.colobox.com/i  { m++ }
         $0 ~ /ns01.backupdns.com/i  { m++ }
	 END { if (m == 2) exit(0); else exit(1) }'
}

(for z in `ls /var/named/rf/db.* | grep -v db.default | grep -v db.dyn.colobox.com`; do
  z=`basename $z | sed 's/^db.//'`
  printf "%-30s" $z
  check_gtld_servers $z
  #echo "(00/13)"
 done) | 
(while read LINE1; do 
    read LINE2
    echo "$LINE1    $LINE2"
 done)