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Blackhole ru zone

 $ echo "address=/ru/0.0.0.0" | sudo tee /etc/NetworkManager/dnsmasq.d/dnsmasq-ru-blackhole.conf && sudo systemctl restart network-manager

— by olshek_ on Nov. 14, 2017, 2:12 p.m.

Explanation

It creates dnsmasq-ru-blackhole.conf file with one line to route all domains of ru zone to 0.0.0.0.

You might use "address=/home.lab/127.0.0.1" to point allpossiblesubdomains.home.lab to your localhost or some other IP in a cloud.