--- service: i.root-servers.net start-period: '2014-03-25T00:00:00Z' end-period: '2014-03-26T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2812196543 dns-udp-queries-received-ipv6: 183014633 dns-tcp-queries-received-ipv4: 5956289 dns-tcp-queries-received-ipv6: 323707 dns-udp-responses-sent-ipv4: 2753230520 dns-udp-responses-sent-ipv6: 181702098 dns-tcp-responses-sent-ipv4: 5918271 dns-tcp-responses-sent-ipv6: 325513