#!/bin/bash

# Pi-hole service
systemctl is-active --quiet pihole-FTL || exit 1

# DNS functional test
dig google.com @127.0.0.1 +short | grep -q . || exit 1

# Blocking test (critical!)
dig doubleclick.net @127.0.0.1 +short | grep -q "0.0.0.0" || exit 1

exit 0