--- service: i.root-servers.net start-period: '2014-11-16T00:00:00Z' end-period: '2014-11-17T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2884131225 dns-udp-queries-received-ipv6: 211917992 dns-tcp-queries-received-ipv4: 6495105 dns-tcp-queries-received-ipv6: 194174 dns-udp-responses-sent-ipv4: 2837366690 dns-udp-responses-sent-ipv6: 211843938 dns-tcp-responses-sent-ipv4: 6500060 dns-tcp-responses-sent-ipv6: 195016