--- service: i.root-servers.net start-period: '2013-10-26T00:00:00Z' end-period: '2013-10-27T00:00:07Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1894423659 dns-udp-queries-received-ipv6: 108192493 dns-tcp-queries-received-ipv4: 4156102 dns-tcp-queries-received-ipv6: 192313 dns-udp-responses-sent-ipv4: 1959692852 dns-udp-responses-sent-ipv6: 114651387 dns-tcp-responses-sent-ipv4: 4157747 dns-tcp-responses-sent-ipv6: 199437