--- service: j.root-servers.net start-period: '2014-03-09T00:00:00Z' end-period: '2014-03-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2684397085 dns-udp-queries-received-ipv6: 200028999 dns-tcp-queries-received-ipv4: 22169672 dns-tcp-queries-received-ipv6: 4729427 dns-udp-responses-sent-ipv4: 2633455746 dns-udp-responses-sent-ipv6: 199921028 dns-tcp-responses-sent-ipv4: 20369677 dns-tcp-responses-sent-ipv6: 315