Adds a script to test domains.

utils/test-domain.sh

+#!/bin/bash
+cd /data/domains
+my_ip=`curl http://ipv4.icanhazip.com/`
+echo "My IP is $my_ip"
+for domain in `ls .`; do
+  domain_ip=`host ${domain} | awk '/has address/ { print $4 }'`
+  if [[ "${domain_ip}" != "${my_ip}" ]]; then
+    echo "$domain has this IP: $domain_ip"
+  fi
+done