--- service: i.root-servers.net start-period: '2014-11-03T00:00:00Z' end-period: '2014-11-04T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3239424641 dns-udp-queries-received-ipv6: 226937920 dns-tcp-queries-received-ipv4: 7126639 dns-tcp-queries-received-ipv6: 168189 dns-udp-responses-sent-ipv4: 3179695329 dns-udp-responses-sent-ipv6: 226908249 dns-tcp-responses-sent-ipv4: 7223253 dns-tcp-responses-sent-ipv6: 167077