--- service: a.root-servers.net start-period: '2015-03-05T00:00:00Z' end-period: '2015-03-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2866492283 dns-udp-queries-received-ipv6: 224802110 dns-tcp-queries-received-ipv4: 17327628 dns-tcp-queries-received-ipv6: 2265518 dns-udp-responses-sent-ipv4: 2857800837 dns-udp-responses-sent-ipv6: 224461420 dns-tcp-responses-sent-ipv4: 14811901 dns-tcp-responses-sent-ipv6: 1289664