--- service: j.root-servers.net start-period: '2016-06-06T00:00:00Z' end-period: '2016-06-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5882897623 dns-udp-queries-received-ipv6: 728505784 dns-tcp-queries-received-ipv4: 209019387 dns-tcp-queries-received-ipv6: 3652409 dns-udp-responses-sent-ipv4: 5671732639 dns-udp-responses-sent-ipv6: 728255363 dns-tcp-responses-sent-ipv4: 166294612 dns-tcp-responses-sent-ipv6: 777206