--- service: m.root-servers.net start-period: '2016-10-23T00:00:00Z' end-period: '2016-10-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1410891661 dns-udp-queries-received-ipv6: 239828823 dns-udp-responses-sent-ipv4: 1320555406 dns-udp-responses-sent-ipv6: 239628428 dns-tcp-queries-received-ipv4: 33069289 dns-tcp-queries-received-ipv6: 5678487 dns-tcp-responses-sent-ipv4: 32970039 dns-tcp-responses-sent-ipv6: 5502299