--- service: i.root-servers.net start-period: '2014-10-17T00:00:00Z' end-period: '2014-10-18T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3058457935 dns-udp-queries-received-ipv6: 214550992 dns-tcp-queries-received-ipv4: 7764388 dns-tcp-queries-received-ipv6: 221741 dns-udp-responses-sent-ipv4: 3005134786 dns-udp-responses-sent-ipv6: 218181417 dns-tcp-responses-sent-ipv4: 7874644 dns-tcp-responses-sent-ipv6: 222248