--- service: i.root-servers.net start-period: '2016-02-29T00:00:00Z' end-period: '2016-03-01T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5404209176 dns-udp-queries-received-ipv6: 423409929 dns-tcp-queries-received-ipv4: 14245307 dns-tcp-queries-received-ipv6: 1170425 dns-udp-responses-sent-ipv4: 5322351426 dns-udp-responses-sent-ipv6: 422981727 dns-tcp-responses-sent-ipv4: 13997318 dns-tcp-responses-sent-ipv6: 1172852