https://community.ruckuswireless.com/t5/Access-Points-Indoor-and-Outdoor/Heavy-DNS-port-53-traffic-from-client/m-p/11537#M2667 You would need to take a sniffer trace to identify the source/destination and how much DNS is utilizing your bandwidth. Wed, 21 Dec 2016 23:02:32 GMT michael_brado 2016-12-21T23:02:32Z https://community.ruckuswireless.com/t5/Access-Points-Indoor-and-Outdoor/Heavy-DNS-port-53-traffic-from-client/m-p/11536#M2666 We have client device, a Amazon Fire TV, that streams from PlayStation Vue,  when I view the traffic usage for that client in ZD after constant streaming, it shows that 85% of the traffic is going over port 53 DNS, and only the rest is HTTPS.  It is not a small amount of data either...1.7GB down in one hour over port 53.  Any theories why so much traffic is on port 53...I would have expected almost all of the traffic would be on https. Tue, 20 Dec 2016 14:34:50 GMT https://community.ruckuswireless.com/t5/Access-Points-Indoor-and-Outdoor/Heavy-DNS-port-53-traffic-from-client/m-p/11536#M2666 kieth_hoover 2016-12-20T14:34:50Z https://community.ruckuswireless.com/t5/Access-Points-Indoor-and-Outdoor/Heavy-DNS-port-53-traffic-from-client/m-p/11537#M2667 You would need to take a sniffer trace to identify the source/destination and how much DNS is utilizing your bandwidth. Wed, 21 Dec 2016 23:02:32 GMT https://community.ruckuswireless.com/t5/Access-Points-Indoor-and-Outdoor/Heavy-DNS-port-53-traffic-from-client/m-p/11537#M2667 michael_brado 2016-12-21T23:02:32Z