--- service: i.root-servers.net start-period: '2013-11-03T00:00:00Z' end-period: '2013-11-04T00:00:11Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1814725838 dns-udp-queries-received-ipv6: 110394794 dns-tcp-queries-received-ipv4: 4415818 dns-tcp-queries-received-ipv6: 186326 dns-udp-responses-sent-ipv4: 1868627930 dns-udp-responses-sent-ipv6: 116938755 dns-tcp-responses-sent-ipv4: 4416217 dns-tcp-responses-sent-ipv6: 195367