--- service: i.root-servers.net start-period: '2014-08-02T00:00:00Z' end-period: '2014-08-03T00:00:13Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2664750282 dns-udp-queries-received-ipv6: 229871680 dns-tcp-queries-received-ipv4: 5680156 dns-tcp-queries-received-ipv6: 256402 dns-udp-responses-sent-ipv4: 2615790657 dns-udp-responses-sent-ipv6: 230153661 dns-tcp-responses-sent-ipv4: 5833862 dns-tcp-responses-sent-ipv6: 259183