#!/bin/bash

# Test
#X=$( ( echo REFUSED >&1 ) ; dig +short github.com ; dig +short shackspace.de ; dig +short citecs.de 2>&1 )
X=$( dig +short github.com ; dig +short shackspace.de ; dig +short citecs.de 2>&1 )

if grep -q REFUSED <<< "$X" ; then
        echo "DNS resolving failed on infra1.shackspace.de (found 'REFUSED')"
        echo "restarting dnsmasq..."
        systemctl status dnsmasq
        systemctl restart dnsmasq
        systemctl status dnsmasq
else if [ "$X" = "" ] ; then
        echo "DNS resolving failed on infra1.shackspace.de (got empty answer)"
        echo "restarting dnsmasq..."
        systemctl status dnsmasq
        systemctl restart dnsmasq
        systemctl status dnsmasq
fi fi