--- service: a.root-servers.net start-period: '2013-10-13T00:00:00Z' end-period: '2013-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1467937454 dns-udp-queries-received-ipv6: 85645492 dns-tcp-queries-received-ipv4: 6541332 dns-tcp-queries-received-ipv6: 1409379 dns-udp-responses-sent-ipv4: 1466996029 dns-udp-responses-sent-ipv6: 85645993 dns-tcp-responses-sent-ipv4: 7198633 dns-tcp-responses-sent-ipv6: 18648