--- service: j.root-servers.net start-period: '2013-11-13T00:00:00Z' end-period: '2013-11-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2748014854 dns-udp-queries-received-ipv6: 147300727 dns-tcp-queries-received-ipv4: 21922973 dns-tcp-queries-received-ipv6: 3522119 dns-udp-responses-sent-ipv4: 2734585798 dns-udp-responses-sent-ipv6: 147280926 dns-tcp-responses-sent-ipv4: 20301305 dns-tcp-responses-sent-ipv6: 79725