--- service: i.root-servers.net start-period: '2014-12-05T00:00:00Z' end-period: '2014-12-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3258263748 dns-udp-queries-received-ipv6: 218824592 dns-tcp-queries-received-ipv4: 6331331 dns-tcp-queries-received-ipv6: 177998 dns-udp-responses-sent-ipv4: 3208987214 dns-udp-responses-sent-ipv6: 218758737 dns-tcp-responses-sent-ipv4: 6375350 dns-tcp-responses-sent-ipv6: 176109