--- service: d.root-servers.net start-period: '2016-05-14T00:00:00Z' end-period: '2016-05-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8568579307 dns-udp-queries-received-ipv6: 934657204 dns-tcp-queries-received-ipv4: 34777723 dns-tcp-queries-received-ipv6: 584784 dns-udp-responses-sent-ipv4: 8536040905 dns-udp-responses-sent-ipv6: 933714328 dns-tcp-responses-sent-ipv4: 34659441 dns-tcp-responses-sent-ipv6: 584378