--- service: a.root-servers.net start-period: '2013-10-26T00:00:00Z' end-period: '2013-10-26T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1320704837 dns-udp-queries-received-ipv6: 77606012 dns-tcp-queries-received-ipv4: 7063162 dns-tcp-queries-received-ipv6: 1480851 dns-udp-responses-sent-ipv4: 1319573922 dns-udp-responses-sent-ipv6: 77617609 dns-tcp-responses-sent-ipv4: 7311729 dns-tcp-responses-sent-ipv6: 112431