--- service: j.root-servers.net start-period: '2016-04-12T00:00:00Z' end-period: '2016-04-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5751833958 dns-udp-queries-received-ipv6: 746856955 dns-tcp-queries-received-ipv4: 173648352 dns-tcp-queries-received-ipv6: 2624702 dns-udp-responses-sent-ipv4: 5472166668 dns-udp-responses-sent-ipv6: 745565894 dns-tcp-responses-sent-ipv4: 152073249 dns-tcp-responses-sent-ipv6: 302647