--- service: i.root-servers.net start-period: '2016-03-14T00:00:00Z' end-period: '2016-03-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5092448866 dns-udp-queries-received-ipv6: 456759167 dns-tcp-queries-received-ipv4: 22472616 dns-tcp-queries-received-ipv6: 1260432 dns-udp-responses-sent-ipv4: 4999612209 dns-udp-responses-sent-ipv6: 463253931 dns-tcp-responses-sent-ipv4: 22296568 dns-tcp-responses-sent-ipv6: 1263343