--- service: j.root-servers.net start-period: '2014-06-15T00:00:00Z' end-period: '2014-06-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3746574888 dns-udp-queries-received-ipv6: 167619472 dns-tcp-queries-received-ipv4: 33068407 dns-tcp-queries-received-ipv6: 5002595 dns-udp-responses-sent-ipv4: 3734868800 dns-udp-responses-sent-ipv6: 167569606 dns-tcp-responses-sent-ipv4: 36702750 dns-tcp-responses-sent-ipv6: 2837743