--- service: i.root-servers.net start-period: '2014-02-16T00:00:00Z' end-period: '2014-02-17T00:00:22Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2223366113 dns-udp-queries-received-ipv6: 164311406 dns-tcp-queries-received-ipv4: 4780851 dns-tcp-queries-received-ipv6: 296900 dns-udp-responses-sent-ipv4: 2174943554 dns-udp-responses-sent-ipv6: 163939232 dns-tcp-responses-sent-ipv4: 4814755 dns-tcp-responses-sent-ipv6: 296497