--- service: m.root-servers.net start-period: '2016-10-01T00:00:00Z' end-period: '2016-10-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1581061879 dns-udp-queries-received-ipv6: 197957193 dns-udp-responses-sent-ipv4: 1407480053 dns-udp-responses-sent-ipv6: 196346648 dns-tcp-queries-received-ipv4: 41418168 dns-tcp-queries-received-ipv6: 2871928 dns-tcp-responses-sent-ipv4: 41342581 dns-tcp-responses-sent-ipv6: 2816342