--- service: j.root-servers.net start-period: '2016-07-17T00:00:00Z' end-period: '2016-07-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5413780548 dns-udp-queries-received-ipv6: 691497388 dns-tcp-queries-received-ipv4: 121599314 dns-tcp-queries-received-ipv6: 3816762 dns-udp-responses-sent-ipv4: 5324121664 dns-udp-responses-sent-ipv6: 695621483 dns-tcp-responses-sent-ipv4: 108280271 dns-tcp-responses-sent-ipv6: 874269