Adblock list & domain-only list to dnsmasq's configuration. (NXDOMAIN returned by dnsmasq instead of 127.0.0.1 or sort of thing on hosts-file-based solution.)

adb2dnsmasq.py

#!/usr/bin/env python3
import re
import sys


RE_HOST = r'^\|\|([a-z0-9\.\-]+[a-z]+[a-z0-9\.\-]+)\^$'

def main():
    re_host = re.compile(RE_HOST)
    for line in sys.stdin:
        line = line.strip()
        match = re_host.match(line)
        if match:
            host = match[1]
            print(f'address=/{host}/')


if __name__ == '__main__':
    main()

dnsmasq-blacklist.service

[Unit]
Description=Update dnsmasq's blacklisted domains.

[Service]
Type=simple
User=dnsmasq
WorkingDirectory=/opt/dnsmasq-blacklist
ExecStartPre=/usr/bin/curl --head google.com -o /dev/null
ExecStart=/opt/dnsmasq-blacklist/update-list.sh
ExecStopPost=+/usr/bin/systemctl restart dnsmasq.service

dnsmasq-blacklist.timer

[Unit]
Description=Update dnsmasq's blacklisted domains.

[Timer]
OnCalendar=weekly
RandomizedDelaySec=12h
AccuracySec=1h
Persistent=True

[Install]
WantedBy=multi-user.target

list-adb.txt

https://easylist-downloads.adblockplus.org/easylist.txt
https://easylist-downloads.adblockplus.org/easyprivacy.txt
https://easylist-downloads.adblockplus.org/easylistchina.txt
https://raw.githubusercontent.com/cjx82630/cjxlist/master/cjx-annoyance.txt
https://raw.githubusercontent.com/cjx82630/cjxlist/master/cjxlist.txt

list-domain.txt

https://mirror1.malwaredomains.com/files/justdomains
https://pgl.yoyo.org/adservers/serverlist.php?mimetype=plaintext

update-list.sh

#!/bin/bash

DEST=/etc/dnsmasq.d/blackdomain.conf

printf "# Generated at `date`\n" > $DEST

while read list; do
    printf "\n# $list\n" >> $DEST
    curl $list | while read domain; do
        printf "address=/$domain/\n" >> $DEST
    done
done < list-domain.txt

while read list; do
    printf "\n# $list\n" >> $DEST
    curl $list | ./adb2dnsmasq.py >> $DEST
done < list-adb.txt