--- service: j.root-servers.net start-period: '2016-04-17T00:00:00Z' end-period: '2016-04-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5149627150 dns-udp-queries-received-ipv6: 666129193 dns-tcp-queries-received-ipv4: 153876169 dns-tcp-queries-received-ipv6: 2456851 dns-udp-responses-sent-ipv4: 4866803251 dns-udp-responses-sent-ipv6: 665790762 dns-tcp-responses-sent-ipv4: 136202230 dns-tcp-responses-sent-ipv6: 310552