--- service: d.root-servers.net start-period: '2016-03-26T00:00:00Z' end-period: '2016-03-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3915269354 dns-udp-queries-received-ipv6: 535384462 dns-tcp-queries-received-ipv4: 41344698 dns-tcp-queries-received-ipv6: 537124 dns-udp-responses-sent-ipv4: 3896133224 dns-udp-responses-sent-ipv6: 535105296 dns-tcp-responses-sent-ipv4: 41199892 dns-tcp-responses-sent-ipv6: 537116