--- service: i.root-servers.net start-period: '2016-01-10T00:00:00Z' end-period: '2016-01-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4344228560 dns-udp-queries-received-ipv6: 364676668 dns-tcp-queries-received-ipv4: 20957718 dns-tcp-queries-received-ipv6: 827202 dns-udp-responses-sent-ipv4: 4275479771 dns-udp-responses-sent-ipv6: 364288211 dns-tcp-responses-sent-ipv4: 21084335 dns-tcp-responses-sent-ipv6: 833237