--- service: a.root-servers.net start-period: '2013-11-09T00:00:00Z' end-period: '2013-11-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1526583281 dns-udp-queries-received-ipv6: 85060757 dns-tcp-queries-received-ipv4: 6966323 dns-tcp-queries-received-ipv6: 1403974 dns-udp-responses-sent-ipv4: 1524110306 dns-udp-responses-sent-ipv6: 85069588 dns-tcp-responses-sent-ipv4: 7622186 dns-tcp-responses-sent-ipv6: 13062