http://mabufs.i2p/blog/dnscrypt-proxy
Where you put the undesirable sites, each on a new line. Here is an example of blocking Yandex and Vkontakte. *yandex* *vk.com Then in the file dnscrypt-proxy.toml you add bullets to the block list, i.e: [blacklist] blacklist_file = '/usr/local/etc/dnscrypt-proxy/blacklist.txt After that, access to Yandex and Vkontakte will be blocked on your device, as well as other sites.