--- service: i.root-servers.net start-period: '2014-10-29T00:00:00Z' end-period: '2014-10-30T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1964443186 dns-udp-queries-received-ipv6: 145966150 dns-tcp-queries-received-ipv4: 4373790 dns-tcp-queries-received-ipv6: 100581 dns-udp-responses-sent-ipv4: 1930841551 dns-udp-responses-sent-ipv6: 145954216 dns-tcp-responses-sent-ipv4: 4432434 dns-tcp-responses-sent-ipv6: 98937