--- service: a.root-servers.net start-period: '2014-08-25T00:00:00Z' end-period: '2014-08-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1932733164 dns-udp-queries-received-ipv6: 150263818 dns-tcp-queries-received-ipv4: 14632515 dns-tcp-queries-received-ipv6: 1993010 dns-udp-responses-sent-ipv4: 1932227933 dns-udp-responses-sent-ipv6: 150275810 dns-tcp-responses-sent-ipv4: 13844534 dns-tcp-responses-sent-ipv6: 931475