--- service: a.root-servers.net start-period: '2015-10-03T00:00:00Z' end-period: '2015-10-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3048816350 dns-udp-queries-received-ipv6: 287932312 dns-tcp-queries-received-ipv4: 19454038 dns-tcp-queries-received-ipv6: 9155658 dns-udp-responses-sent-ipv4: 3049942067 dns-udp-responses-sent-ipv6: 285912412 dns-tcp-responses-sent-ipv4: 16284133 dns-tcp-responses-sent-ipv6: 7569910