--- service: j.root-servers.net start-period: '2016-02-13T00:00:00Z' end-period: '2016-02-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5133218866 dns-udp-queries-received-ipv6: 541134632 dns-tcp-queries-received-ipv4: 105064245 dns-tcp-queries-received-ipv6: 1699227 dns-udp-responses-sent-ipv4: 4628058032 dns-udp-responses-sent-ipv6: 539516195 dns-tcp-responses-sent-ipv4: 90377943 dns-tcp-responses-sent-ipv6: 312717