--- service: d.root-servers.net start-period: '2016-03-13T00:00:00Z' end-period: '2016-03-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3662902740 dns-udp-queries-received-ipv6: 514672415 dns-tcp-queries-received-ipv4: 24842586 dns-tcp-queries-received-ipv6: 980178 dns-udp-responses-sent-ipv4: 3642816267 dns-udp-responses-sent-ipv6: 514396131 dns-tcp-responses-sent-ipv4: 24824008 dns-tcp-responses-sent-ipv6: 980126