--- service: a.root-servers.net start-period: '2014-03-10T00:00:00Z' end-period: '2014-03-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2212504159 dns-udp-queries-received-ipv6: 88263409 dns-tcp-queries-received-ipv4: 11017742 dns-tcp-queries-received-ipv6: 1294216 dns-udp-responses-sent-ipv4: 2186112804 dns-udp-responses-sent-ipv6: 88248373 dns-tcp-responses-sent-ipv4: 11091580 dns-tcp-responses-sent-ipv6: 172