Your router may forcefully redirect outbound DNS requests, like some Unified equipment has been reported to do if the Unifi router's AdBlocking features had been enabled, see e.g. Whitelisted items are still blocked! - #15 by Sawtaytoes
Your router may forcefully redirect outbound DNS requests, like some Unified equipment has been reported to do if the Unifi router's AdBlocking features had been enabled, see e.g. Whitelisted items are still blocked! - #15 by Sawtaytoes