--- service: i.root-servers.net start-period: '2014-01-08T00:00:00Z' end-period: '2014-01-09T00:00:08Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2507024753 dns-udp-queries-received-ipv6: 151265030 dns-tcp-queries-received-ipv4: 4814075 dns-tcp-queries-received-ipv6: 265818 dns-udp-responses-sent-ipv4: 2451788854 dns-udp-responses-sent-ipv6: 151413360 dns-tcp-responses-sent-ipv4: 4838006 dns-tcp-responses-sent-ipv6: 269372