--- service: a.root-servers.net start-period: '2014-03-03T00:00:00Z' end-period: '2014-03-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2205911762 dns-udp-queries-received-ipv6: 86787083 dns-tcp-queries-received-ipv4: 11004883 dns-tcp-queries-received-ipv6: 1199031 dns-udp-responses-sent-ipv4: 2179944530 dns-udp-responses-sent-ipv6: 86776012 dns-tcp-responses-sent-ipv4: 11112125 dns-tcp-responses-sent-ipv6: 118