--- service: i.root-servers.net start-period: '2016-03-07T00:00:00Z' end-period: '2016-03-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2304726356 dns-udp-queries-received-ipv6: 214620206 dns-tcp-queries-received-ipv4: 9912493 dns-tcp-queries-received-ipv6: 606152 dns-udp-responses-sent-ipv4: 2273225377 dns-udp-responses-sent-ipv6: 214386034 dns-tcp-responses-sent-ipv4: 9755447 dns-tcp-responses-sent-ipv6: 606862