--- service: d.root-servers.net start-period: '2016-03-03T00:00:00Z' end-period: '2016-03-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4407782430 dns-udp-queries-received-ipv6: 513393126 dns-tcp-queries-received-ipv4: 31011858 dns-tcp-queries-received-ipv6: 1008671 dns-udp-responses-sent-ipv4: 4385461792 dns-udp-responses-sent-ipv6: 513095319 dns-tcp-responses-sent-ipv4: 30949301 dns-tcp-responses-sent-ipv6: 1008498