--- service: i.root-servers.net start-period: '2014-10-25T00:00:00Z' end-period: '2014-10-26T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4696693888 dns-udp-queries-received-ipv6: 293197141 dns-tcp-queries-received-ipv4: 28908506 dns-tcp-queries-received-ipv6: 473302 dns-udp-responses-sent-ipv4: 4626646573 dns-udp-responses-sent-ipv6: 296477841 dns-tcp-responses-sent-ipv4: 27570809 dns-tcp-responses-sent-ipv6: 447279