--- service: a.root-servers.net start-period: '2014-05-03T00:00:00Z' end-period: '2014-05-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1955405178 dns-udp-queries-received-ipv6: 79019192 dns-tcp-queries-received-ipv4: 10416369 dns-tcp-queries-received-ipv6: 1137245 dns-udp-responses-sent-ipv4: 1954751087 dns-udp-responses-sent-ipv6: 79025130 dns-tcp-responses-sent-ipv4: 10391953 dns-tcp-responses-sent-ipv6: 92