--- service: a.root-servers.net start-period: '2016-10-09T00:00:00Z' end-period: '2016-10-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3718401207 dns-udp-queries-received-ipv6: 327993399 dns-tcp-queries-received-ipv4: 123608647 dns-tcp-queries-received-ipv6: 5437015 dns-udp-responses-sent-ipv4: 3698635441 dns-udp-responses-sent-ipv6: 327243835 dns-tcp-responses-sent-ipv4: 124229999 dns-tcp-responses-sent-ipv6: 5371272