#!/bin/bash

nameservers=('ns1.variomedia.de' 'london.finallycoffee.eu' 'munich.finallycoffee.eu')

red='\e[1;31m'
green='\e[1;32m'
end='\e[0m'

test_record() {
	local name=$1
	local type=$2
	local all_equal=true
	local res=""
	local all_res="$name@$type:\t"
	for ns in "${nameservers[@]}"; do
		answer="$(dig +short $type $name @$ns)"
		#echo "$answer"
		if [[ "$ns" == "$nameservers[0]" ]]; then
			res = answer
		fi
		if [[ "$res" != "$answer" ]]; then
			all_equal=false
		fi
		all_res="$all_res$answer\t"
	done
	if [[ all_equal ]]; then
		echo -e "${green}OK!\t$all_res${end}"
	elif [[ !all_equal ]]; then
		echo -e "${red}FAIL\t$all_res${end}"
	fi
}

if [[ -n "$1" ]] && [[ -z "$2" ]]; then
	test_record "$1" "A"
	test_record "$1" "AAAA"
elif [[ -n "$1" ]] && [[ -n "$2" ]]; then
	test_record "$1" "$2"
fi

if [[ -z "$1" ]]; then
	while read -r line || [[ -n "$line" ]]; do
		type=${line##*@}
		name=${line%@$type}
		test_record "$name" "$type"
	done < records.list
fi