--- service: a.root-servers.net start-period: '2014-09-29T00:00:00Z' end-period: '2014-09-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2483809573 dns-udp-queries-received-ipv6: 216609059 dns-tcp-queries-received-ipv4: 15977130 dns-tcp-queries-received-ipv6: 1963197 dns-udp-responses-sent-ipv4: 2477888685 dns-udp-responses-sent-ipv6: 170346171 dns-tcp-responses-sent-ipv4: 15077872 dns-tcp-responses-sent-ipv6: 1098188