--- service: j.root-servers.net start-period: '2017-01-07T00:00:00Z' end-period: '2017-01-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6036217499 dns-udp-queries-received-ipv6: 600385108 dns-tcp-queries-received-ipv4: 163635664 dns-tcp-queries-received-ipv6: 10701695 dns-udp-responses-sent-ipv4: 5951654294 dns-udp-responses-sent-ipv6: 604152000 dns-tcp-responses-sent-ipv4: 154344106 dns-tcp-responses-sent-ipv6: 10764457