--- service: i.root-servers.net start-period: '2014-07-05T00:00:00Z' end-period: '2014-07-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2789391683 dns-udp-queries-received-ipv6: 184150081 dns-tcp-queries-received-ipv4: 6160643 dns-tcp-queries-received-ipv6: 252724 dns-udp-responses-sent-ipv4: 2740275019 dns-udp-responses-sent-ipv6: 187021389 dns-tcp-responses-sent-ipv4: 6338481 dns-tcp-responses-sent-ipv6: 255710