--- service: j.root-servers.net start-period: '2015-10-16T00:00:00Z' end-period: '2015-10-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4000764700 dns-udp-queries-received-ipv6: 9480107 dns-tcp-queries-received-ipv4: 69169173 dns-tcp-queries-received-ipv6: 6871980 dns-udp-responses-sent-ipv4: 3949938837 dns-udp-responses-sent-ipv6: 8773033 dns-tcp-responses-sent-ipv4: 66845850 dns-tcp-responses-sent-ipv6: 7287890