--- service: i.root-servers.net start-period: '2014-06-30T00:00:00Z' end-period: '2014-07-01T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3011664104 dns-udp-queries-received-ipv6: 204106043 dns-tcp-queries-received-ipv4: 6770284 dns-tcp-queries-received-ipv6: 264487 dns-udp-responses-sent-ipv4: 2960308925 dns-udp-responses-sent-ipv6: 205970688 dns-tcp-responses-sent-ipv4: 6969987 dns-tcp-responses-sent-ipv6: 266160