--- service: j.root-servers.net start-period: '2014-03-01T00:00:00Z' end-period: '2014-03-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2792600978 dns-udp-queries-received-ipv6: 200411849 dns-tcp-queries-received-ipv4: 21967965 dns-tcp-queries-received-ipv6: 4357825 dns-udp-responses-sent-ipv4: 2751168698 dns-udp-responses-sent-ipv6: 200275802 dns-tcp-responses-sent-ipv4: 20556492 dns-tcp-responses-sent-ipv6: 228