--- service: a.root-servers.net start-period: '2014-10-09T00:00:00Z' end-period: '2014-10-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2910798144 dns-udp-queries-received-ipv6: 181647264 dns-tcp-queries-received-ipv4: 17612023 dns-tcp-queries-received-ipv6: 1820575 dns-udp-responses-sent-ipv4: 2907258914 dns-udp-responses-sent-ipv6: 181566743 dns-tcp-responses-sent-ipv4: 16059193 dns-tcp-responses-sent-ipv6: 1046297