--- service: m.root-servers.net start-period: '2016-10-17T00:00:00Z' end-period: '2016-10-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1422168150 dns-udp-queries-received-ipv6: 223125898 dns-udp-responses-sent-ipv4: 1360531336 dns-udp-responses-sent-ipv6: 222821367 dns-tcp-queries-received-ipv4: 34325840 dns-tcp-queries-received-ipv6: 6073844 dns-tcp-responses-sent-ipv4: 34152865 dns-tcp-responses-sent-ipv6: 5791579