--- service: a.root-servers.net start-period: '2016-11-29T00:00:00Z' end-period: '2016-11-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5066530172 dns-udp-queries-received-ipv6: 448720415 dns-tcp-queries-received-ipv4: 212072429 dns-tcp-queries-received-ipv6: 8034747 dns-udp-responses-sent-ipv4: 5049932625 dns-udp-responses-sent-ipv6: 448355724 dns-tcp-responses-sent-ipv4: 212960703 dns-tcp-responses-sent-ipv6: 8020895